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growth</title> <meta name="description" content="Search results for: plant growth"> <meta name="keywords" content="plant growth"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="plant growth"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 9095</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: plant growth</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9065</span> Potential of Lead Tolerant and Mobilizing Fungus for Plant Growth Promotion through Plant Growth Promoting Activity; A Promising Approach for Enhance Phytoremediation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Manzoor">Maria Manzoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Iram%20Gul"> Iram Gul</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Arshad"> Muhammad Arshad</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean%20Kallerhoff"> Jean Kallerhoff</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The potential of fungal isolates to be used in phytoremediation of widespread lead contaminated soil has been evaluated in this study. Five different fungal isolates (Trichoderma harzianum, Penicillium simplicissimum, Aspergillus flavus, Aspergillus niger and Mucor spp.) were obtained and tested for their tolerance to increasing concentration of lead (Pb) i.e. 100, 200, 300, 400 and 500 mgL-1 on PDA and PDB culture experiment. All strains were tolerant up to 500 mgL-1 following sequence; A. flavus > A. niger > Mucor spp. > P. simplicissimum > T. harzianum. Further the isolates were then monitored for possible effect on Pb solubility/mobility through soil incubation experiments and characterized for essays including pathogenicity, germination and root elongation and plant growth promoting activities including IAA (indole acetic acid), phosphorus solubilization and gibberellic acid (GA3) production. Results revealed that fungal isolates have positive effect on Pb mobility in soil and plant biomass production. Pb solubility was significantly (P> 0.05) increased in soil upon application of Mucor spp. P. simplicissimum and T. harzianum. when compared to control. Among different strains three isolates (Mucor spp., P. simplicissimum and T. harzianum) were nonpathogenic because no inhibitory effect of fungus was observed to plant growth when exposed to these strains in root shoot elongation essay. Particularly T. harzianum and P. simplicissimum showed great ability to increase root length by 1.1 and 1.3 folds and shoot length by 1.47 and 1.5 folds respectively under Pb stress (500 mgL-1). Significantly high production of IAA was observed in A. niger (26.7 μg/ml), Phosphorus solubilization was observed in T. harzianum (9.15 μg/ml) and GA3 production was observed in P. simplicissimum (11.02 μg/ml). From results it is concluded that Mucor spp., P. simplicissimum and T. harzianum have potential to increase Pb mobility and improving plant growth under highy Pb contamination, therefore can be used in microbially assisted phytoremediation of Pb contaminated soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pb%20tolerant%20fungus" title="Pb tolerant fungus">Pb tolerant fungus</a>, <a href="https://publications.waset.org/abstracts/search?q=Pb%20mobility" title=" Pb mobility"> Pb mobility</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20growth%20promoting%20activities" title=" plant growth promoting activities"> plant growth promoting activities</a>, <a href="https://publications.waset.org/abstracts/search?q=indole%20acetic%20acid%20%28IAA%29" title=" indole acetic acid (IAA)"> indole acetic acid (IAA)</a> </p> <a href="https://publications.waset.org/abstracts/70524/potential-of-lead-tolerant-and-mobilizing-fungus-for-plant-growth-promotion-through-plant-growth-promoting-activity-a-promising-approach-for-enhance-phytoremediation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70524.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">269</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9064</span> Effects of Poultry Manure Rates on Some Growth and Yield Attributes of Cucumber in Owerri, South Eastern Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chinwe%20Pearl%20Poly-Mbah">Chinwe Pearl Poly-Mbah</a>, <a href="https://publications.waset.org/abstracts/search?q=Evelyn%20Obioma"> Evelyn Obioma</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliet%20Amajuoyi"> Juliet Amajuoyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The investigation here reported examined growth and yield responses of Cucumber to manure rates in Owerri, Southeastern Nigeria. Fruit vegetables are widely cultivated and produced in Northern Nigeria but greatly consumed in Southern Nigeria where cucumbers command high demand and price but are minimally cultivated. Unfortunately, farmers in northern Nigeria incur lots of losses because cucumber is a perishable vegetable and is transported all the way from the northern Nigeria where cucumbers are produced to Southern Nigeria where cucumbers are consumed, hence the high cost of cucumber fruits in Southern Nigeria. There is a need, therefore, to evolve packages that will enhance cucumber production in Southern Nigeria. The main objective of this study was to examine the effects of poultry manure rates on the growth and yield of cucumber in Owerri, South Eastern Nigeria. Specifically, this study was designed to assess the effect of poultry manure rates on number of days to 50% seedling emergence, vine length/plant, leaf area per plant and the number of leaves produced per plant. The design used for the experiment was Randomized Complete Block Design (RCBD) with three blocks (replications). Treatment consisted of four rates of well-decomposed poultry manure at the rate of 0 tons/ha, 2 tons/ha, 4 tons/ha and 6 tons/ha. Data were collected on number of days to 50% seedling emergence, vine length per plant at two weeks interval, leaf number per plant at two weeks interval, leaf area per plant at two weeks interval, number of fruits produced per plant, and fresh weight of fruits per plant at harvest. Results from the analysis of variance (ANOVA) showed that there were highly significant effects (P=0.05) of poultry manure on growth and yield parameters studied which include number of days to 50% seedling emergence, vine length per plant, leaf number per plant, leaf area per plant, fruit number and fruit weight per plant such that increase in poultry manure rates lead to increase in growth and yield parameters studied. Therefore, the null hypothesis (Ho) was rejected, while the alternative hypothesis was accepted. Farmers should be made to know that growing cucumber with poultry manure in southeastern Nigeria agro ecology is a successful enterprise <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cucumber" title="cucumber">cucumber</a>, <a href="https://publications.waset.org/abstracts/search?q=effects" title=" effects"> effects</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20and%20yield" title=" growth and yield"> growth and yield</a>, <a href="https://publications.waset.org/abstracts/search?q=manure" title=" manure"> manure</a> </p> <a href="https://publications.waset.org/abstracts/75763/effects-of-poultry-manure-rates-on-some-growth-and-yield-attributes-of-cucumber-in-owerri-south-eastern-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75763.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">237</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9063</span> Effect of a new Released Bio Organic-Fertilizer in Improving Tomato Growth in Hydroponic System and Under Greenhouse</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zayneb%20Kthiri">Zayneb Kthiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Walid%20Hamada"> Walid Hamada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The application of organic fertilizers is generally known to be useful to sustain soil fertility and plant growth, especially in poor soils, with less than 1% of organic matter, as it is very common in our Tunisian fields. Therefore, we focused on evaluating the effect of a new released liquid organic fertilizer named Solorga (with 5% of organic matter) compared to a reference product (Espartan: Kimitec, Spain) on tomato plant growth and physiology. Both fertilizers, derived from plant decomposition, were applied at an early stage in hydroponic system and under greenhouse. In hydroponic system, after 14 days of their application by root feeding, a significant difference was observed between treatments. Indeed, Solorga improved shoots and roots length, as well as the biomass respectively, by 45%, 27%, and 27.8% increase rate, while compared to control plants. However, Espartan induced less the measured parameters while compared to untreated control. Moreover, Solorga significantly increased the chlorophyll content by 42% compared to control and by 32% compared to Espartan. In the greenhouse, after 20 days of treatments, the results showed a significant effect of both fertilizers on SPAD index and the number of flowers blossom. Solorga increased the amount of chlorophyll present in the leaf by 7% compared to Espartan as well as the plant height under greenhouse. Moreover, the number of flowers blossom increased by 15% in plants treated with Solorga while compared to Espartan. Whereas, there is no notable difference between both organic fertilizers on the fruits blossom and the number of fruits per blossom. In conclusion, even though there is a difference in the organic matter between both fertilizers, Solorga improved better the plant growth in controlled conditions in hydroponic system while compared to Espartan. Altogether the obtained results are encouraging for the use of Solorga as a soil enriching source of organic matter to help plants to boost their growth and help them to overcome abiotic stresses linked to soil fertility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tomato" title="tomato">tomato</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20growth" title=" plant growth"> plant growth</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20fertilizer" title=" organic fertilizer"> organic fertilizer</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroponic%20system" title=" hydroponic system"> hydroponic system</a>, <a href="https://publications.waset.org/abstracts/search?q=greenhouse" title=" greenhouse"> greenhouse</a> </p> <a href="https://publications.waset.org/abstracts/147429/effect-of-a-new-released-bio-organic-fertilizer-in-improving-tomato-growth-in-hydroponic-system-and-under-greenhouse" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147429.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">139</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9062</span> Interaction of Cucurbitacin-Containing Phytonematicides and Biocontrol Agents on Cultivated Tomato Plants and Nematode Numbers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jacqueline%20T.%20Madaure">Jacqueline T. Madaure</a>, <a href="https://publications.waset.org/abstracts/search?q=Phatu%20W.%20Mashela"> Phatu W. Mashela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Interactive effects of cucurbitacin-containing phytonematicides and biocontrol agents on growth and nematode suppression on tomato (Solanum lycopersicum) had not been documented. The objective of this study was to determine the interactive effects of Nemafric-BL phytonematicide, Trichoderma harzianum and Steinernema feltiae on growth of tomato plants and suppression of root-knot (Meloidogyne species) nematodes. A 2x2x2 trial was conducted using tomato cv. ‘HTX’ on a field infested with Meloidogyne species. The treatments were applied at commercial rates. At 56 days after treatments, interactions were significant (P ≤ 0.05) for selected plant variables, without significant interactions on nematode variables. In conclusion, results of the current study did not support the combination of the test products for nematode suppression, except that some combinations improved plant growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cucumis%20africanus" title="cucumis africanus">cucumis africanus</a>, <a href="https://publications.waset.org/abstracts/search?q=cucurbitacin%20b" title=" cucurbitacin b"> cucurbitacin b</a>, <a href="https://publications.waset.org/abstracts/search?q=ethnobotanicals" title=" ethnobotanicals"> ethnobotanicals</a>, <a href="https://publications.waset.org/abstracts/search?q=entomopathogenic%20nematodes" title=" entomopathogenic nematodes"> entomopathogenic nematodes</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20enemies" title=" natural enemies"> natural enemies</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20extracts" title=" plant extracts"> plant extracts</a> </p> <a href="https://publications.waset.org/abstracts/72591/interaction-of-cucurbitacin-containing-phytonematicides-and-biocontrol-agents-on-cultivated-tomato-plants-and-nematode-numbers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72591.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">195</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9061</span> Effect of Silver Nanoparticles on Seed Germination of Crop Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zainab%20M.%20Almutairi">Zainab M. Almutairi</a>, <a href="https://publications.waset.org/abstracts/search?q=Amjad%20Alharbi"> Amjad Alharbi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of engineered nanomaterials has increased as a result of their positive impact on many sectors of the economy, including agriculture. Silver nanoparticles (AgNPs) are now used to enhance seed germination, plant growth, and photosynthetic quantum efficiency and as antimicrobial agents to control plant diseases. In this study, we examined the effect of AgNP dosage on the seed germination of three plant species: corn (Zea mays L.), watermelon (Citrullus lanatus [Thunb.] Matsum. & Nakai) and zucchini (Cucurbita pepo L.). This experiment was designed to study the effect of AgNPs on germination percentage, germination rate, mean germination time, root length and fresh and dry weight of seedlings for the three species. Seven concentrations (0.05, 0.1, 0.5, 1, 1.5, 2, and 2.5 mg/ml) of AgNPs were examined at the seed germination stage. The three species had different dose responses to AgNPs in terms of germination parameters and the measured growth characteristics. The germination rates of the three plants were enhanced in response to AgNPs. Significant enhancement of the germination percentage values was observed after treatment of the watermelon and zucchini plants with AgNPs in comparison with untreated seeds. AgNPs showed a toxic effect on corn root elongation, whereas watermelon and zucchini seedling growth were positively affected by certain concentrations of AgNPs. This study showed that exposure to AgNPs caused both positive and negative effects on plant growth and germination. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=citrullus%20lanatus" title="citrullus lanatus">citrullus lanatus</a>, <a href="https://publications.waset.org/abstracts/search?q=cucurbita%20pepo" title=" cucurbita pepo"> cucurbita pepo</a>, <a href="https://publications.waset.org/abstracts/search?q=seed%20germination" title=" seed germination"> seed germination</a>, <a href="https://publications.waset.org/abstracts/search?q=seedling%20growth" title=" seedling growth"> seedling growth</a>, <a href="https://publications.waset.org/abstracts/search?q=silver%20nanoparticles" title=" silver nanoparticles"> silver nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=zea%20mays" title=" zea mays"> zea mays</a> </p> <a href="https://publications.waset.org/abstracts/26020/effect-of-silver-nanoparticles-on-seed-germination-of-crop-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26020.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">308</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9060</span> Crop Genotype and Inoculum Density Influences Plant Growth and Endophytic Colonization Potential of Plant Growth-Promoting Bacterium Burkholderia phytofirmans PsJN</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Naveed">Muhammad Naveed</a>, <a href="https://publications.waset.org/abstracts/search?q=Sohail%20Yousaf"> Sohail Yousaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahir%20Ahmad%20Zahir"> Zahir Ahmad Zahir</a>, <a href="https://publications.waset.org/abstracts/search?q=Birgit%20Mitter"> Birgit Mitter</a>, <a href="https://publications.waset.org/abstracts/search?q=Angela%20Sessitsch"> Angela Sessitsch</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most bacterial endophytes originate from the soil and enter plants via the roots followed by further spread through the inner tissues. The mechanisms allowing bacteria to colonize plants endophytically are still poorly understood for most bacterial and plant species. Specific bacterial functions are required for plant colonization, but also the plant itself is a determining factor as bacterial ability to establish endophytic populations is very often dependent on the plant genotype (cultivar) and inoculums density. The effect of inoculum density (107, 108, 109 CFU mL-1) of Burkholderia phytofirmans strain PsJN was evaluated on growth and endophytic colonization of different maize and potato cultivars under axenic and natural soil conditions. PsJN inoculation significantly increased maize seedling growth and tuber yield of potato at all inoculum density compared to uninoculated control. Under axenic condition, PsJN inoculation (108 CFU mL-1) significantly improved the germination, root/shoot length and biomass up to 62, 115, 98 and 135% of maize seedling compared to uninoculated control. In case of potato, PsJN inoculation (109 CFU mL-1) showed maximum response and significantly increased root/shoot biomass and tuber yield under natural soil condition. We confirmed that PsJN is able to colonize the rhizosphere, roots and shoots of maize and potato cultivars. The endophytic colonization increased linearly with increasing inoculum density (within a range of 8 x 104 – 3 x 107 CFU mL-1) and were highest for maize (Morignon) and potato (Romina) as compared to other cultivars. Efficient colonization of cv. Morignon and Romina by strain PsJN indicates the specific cultivar colonizing capacity of the bacteria. The findings of the study indicate the non-significant relationship between colonization and plant growth promotion in maize under axenic conditions. However, the inoculum level (109 CFU mL-1) that promoted colonization of rhizosphere and plant interior (endophytic) also best promoted growth and tuber yield of potato under natural soil conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crop%20genotype" title="crop genotype">crop genotype</a>, <a href="https://publications.waset.org/abstracts/search?q=inoculum%20density" title=" inoculum density"> inoculum density</a>, <a href="https://publications.waset.org/abstracts/search?q=Burkholderia%20phytofirmans%20PsJN" title=" Burkholderia phytofirmans PsJN"> Burkholderia phytofirmans PsJN</a>, <a href="https://publications.waset.org/abstracts/search?q=colonization" title=" colonization"> colonization</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=potato" title=" potato"> potato</a> </p> <a href="https://publications.waset.org/abstracts/20888/crop-genotype-and-inoculum-density-influences-plant-growth-and-endophytic-colonization-potential-of-plant-growth-promoting-bacterium-burkholderia-phytofirmans-psjn" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20888.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">486</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9059</span> Large Herbivores Benefit Plant Growth via Diverse and Indirect Pathways in a Temperate Grassland</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xiaofei%20Li">Xiaofei Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhiwei%20Zhong"> Zhiwei Zhong</a>, <a href="https://publications.waset.org/abstracts/search?q=Deli%20Wang"> Deli Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Large herbivores affect plant growth not only through their direct, consumptive effects, but also through indirect effects that alter species interactions. Indirect effects can be either positive or negative, therefore having the potential to mitigate or enhance the direct impacts of herbivores. However, until recently, we know considerably less about the indirect effects than the direct effects of large herbivores on plants, and few studies have explored multiple indirect pathways simultaneously. Here, we investigated how large domestic herbivores, cattle (Bos taurus), can shape population growth of an intermediately preferred forb species, Artemsisa scoparia, through diverse pathways in a temperate grassland of northeast China. We found that, although exposure to direct consumption of cattle, A. scoparia growth was not inhibited, but rather showed a significant increase in the grazed than ungrazed areas. This unexpected result was due to grazing-induced multiple indirect, positive effects overwhelmed the direct, negative consumption effects of cattle on plant growth. The much more intensive consumption on the dominant Leymus chinensis grass, ground litter removal, and increases in ant nest abundance induced by cattle, exerted significant indirect, positive effects on A. scoparia growth. These pathways benefited A.scoparia growth by lessening interspecific competition, mitigating negative effects of litter accumulation, and increasing soil nutrient availability, respectively. Our results highlight the need to integrate indirect effects into the traditional food web theory, which is based primary on direct, trophic linkages, to fully understand community organization and dynamics. Large herbivores are important conservation and management targets, our results suggest that these mammals should be managed with the understanding that they can affect primary producers through diverse paths. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grasslands" title="grasslands">grasslands</a>, <a href="https://publications.waset.org/abstracts/search?q=large%20herbivores" title=" large herbivores"> large herbivores</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20growth" title=" plant growth"> plant growth</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20effects" title=" indirect effects"> indirect effects</a> </p> <a href="https://publications.waset.org/abstracts/68636/large-herbivores-benefit-plant-growth-via-diverse-and-indirect-pathways-in-a-temperate-grassland" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68636.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">271</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9058</span> Efficient Callus Induction and Plant Regeneration from Mature Embryo Culture of Barley (Hordeum vulgare L.) Genotypes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M%C3%BCn%C3%BCre%20Tanur%20Erkoyuncu">Münüre Tanur Erkoyuncu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Yorganc%C4%B1lar"> Mustafa Yorgancılar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Crop improvement through genetic engineering depends on effective and reproducible plant regeneration systems. Immature embryos are the most widely used explant source for <em>in vitro</em> regeneration in barley (<em>Hordeum vulgare</em> L.). However, immature embryos require the continuous growth of donor plants and the suitable stage for their culture is also certainly limited. On the other hand, mature embryos can be procured and stored easily; they can be studied throughout the year. In this study, an effective callus induction and plant regeneration were aimed to develop from mature embryos of different barley genotypes. The effect of medium (MS<sub>1</sub> and MS<sub>2</sub>), auxin type (2,4-D, dicamba, picloram and 2,4,5-T) and concentrations (2, 4, 6 mg/l) on callus formation and effect of cytokinin type (TDZ, BAP) and concentrations (0.2, 0.5, 1.0 mg/l) on green plant regeneration were evaluated in mature embryo culture of barley. Callus and shoot formation was successful for all genotypes. By depending on genotype, MS<sub>1 </sub>is the best medium, 4 mg/l dicamba is the best growth regulator in the callus induction and MS<sub>1 </sub>is the best medium, 1 mg/l BAP is the best growth regulator in the shoot formation were determined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barley" title="barley">barley</a>, <a href="https://publications.waset.org/abstracts/search?q=callus" title=" callus"> callus</a>, <a href="https://publications.waset.org/abstracts/search?q=embryo%20culture" title=" embryo culture"> embryo culture</a>, <a href="https://publications.waset.org/abstracts/search?q=mature%20embryo" title=" mature embryo"> mature embryo</a> </p> <a href="https://publications.waset.org/abstracts/49872/efficient-callus-induction-and-plant-regeneration-from-mature-embryo-culture-of-barley-hordeum-vulgare-l-genotypes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49872.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">326</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9057</span> Effect of Three Sand Types on Potato Vegetative Growth and Yield</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shatha%20A.%20Yousif">Shatha A. Yousif</a>, <a href="https://publications.waset.org/abstracts/search?q=Qasim%20M.%20Zamil"> Qasim M. Zamil</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Y.%20Al%20Muhi"> Hasan Y. Al Muhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jamal%20A.%20Al%20Shammari"> Jamal A. Al Shammari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Potato (Solanum tuberosum L.) is one of the major vegetable crops that are grown world wide because of its economic importance. This experiment investigated the effect of local sands (River Base, Al-Ekader and Karbala) on number and total weight of mini tubers. Statistical analysis revealed that there were no significant differences among sand cultures in number of stem/plant, chlorophyll index and tubers dry weight. River Base sand had the highest plant height (74.9 cm), leaf number/plant number (39.3), leaf area (84.4 dcm2⁄plant), dry weight/plant (26.31), tubers number/plant (8.5), tubers weight/plant (635.53 gm) and potato tuber yields/trove (28.60 kg), whereas the Karbala sand had lower performance. All the characters had positive and significant correlation with yields except the traits number of stem and tuber dry weight. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=correlation" title="correlation">correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=potato" title=" potato"> potato</a>, <a href="https://publications.waset.org/abstracts/search?q=sand%20culture" title=" sand culture"> sand culture</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a> </p> <a href="https://publications.waset.org/abstracts/25112/effect-of-three-sand-types-on-potato-vegetative-growth-and-yield" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25112.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">476</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9056</span> Growth Analysis in Wheat as Influenced by Water Stress and Variety in Sokoto, Sudan Savannah, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20B.%20Sokoto">M. B. Sokoto</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20U.%20Abubakar"> I. U. Abubakar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study was carried out on effect of water stress and variety on growth of wheat (Triticum aestivum L.), during 2009/10 and 2010/11 dry seasons. The treatments consisted of factorial combination of water stress at three critical growth stage which was imposed by withholding water at (Tillering, Flowering, Grain filling) and Control (No stress) and two varieties (Star 11 TR 77173/SLM and Kauze/Weaver) laid out in a split-plot design with three replications. Water stress was assigned to the main-plot while variety was assigned to the sub-plots. Result revealed significant (P<0.05) effect of water stress, water stress at tillering significantly (P<0.05) reduced plant height, LAI, CGR, and NAR. Variety had a significant effect on plant height, LAI, CGR and NAR. In conclusion water stress at tillering was observed to be most critical growth stage in wheat, and water stress at this period should be avoided because it results to decrease in growth components in wheat. Wheat should be sown in November or at least first week of December in this area and other area with similar climate. Star II TR 77173/LM is recommended variety for the area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wheat" title="wheat">wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20stress" title=" water stress"> water stress</a>, <a href="https://publications.waset.org/abstracts/search?q=variety" title=" variety"> variety</a>, <a href="https://publications.waset.org/abstracts/search?q=Sudan%20savannah" title=" Sudan savannah"> Sudan savannah</a> </p> <a href="https://publications.waset.org/abstracts/21974/growth-analysis-in-wheat-as-influenced-by-water-stress-and-variety-in-sokoto-sudan-savannah-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21974.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">334</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9055</span> Interaction of Elevated Carbon Dioxide and Temperature on Strawberry (Fragaria × ananassa) Growth and Fruit Yield</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Himali%20N.%20Balasooriya">Himali N. Balasooriya</a>, <a href="https://publications.waset.org/abstracts/search?q=Kithsiri%20B.%20Dassanayake"> Kithsiri B. Dassanayake</a>, <a href="https://publications.waset.org/abstracts/search?q=Saman%20Seneweera"> Saman Seneweera</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Ajlouni"> Said Ajlouni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Increase in atmospheric CO<sub>2</sub> concentration [CO<sub>2</sub>] and ambient temperature associated with changing climatic conditions will have significant impacts on agriculture crop productivity and quality. Independent effects of the above two environmental variables on the growth, yield and quality of strawberry were well documented. Higher temperatures over the optimum range (20-25ºC) lead to crop failures, while elevated [CO<sub>2</sub>] stimulated plant growth and yield but compromised the physical quality of fruits. However, there is very limited understanding of the interaction between these variables on the plant growth, yield and quality. Therefore, this study was designed to investigate the interactive effect of high temperature and elevated [CO<sub>2</sub>] on growth, yield and quality of strawberries. Strawberry cultivars ‘Albion’ and ‘San Andreas’ were grown under six different combinations of two temperatures (25 and 30ºC) and three [CO<sub>2</sub>] (400, 650 and 950 µmol mol<sup>-1</sup>) in controlled-environmental growth chambers. Plant growth measurements such as plant height, canopy area, number of flowers, and fruit yield were measured during phonological development. Photosynthesis and transpiration, the ratio of intercellular to atmospheric [CO<sub>2</sub>] (Ci/Ca) were measured to estimate the physiological adjustment to climate stress. The impact of temperature and [CO<sub>2</sub>] interaction on growth and yield of strawberry was significant (p < 0.05). Across both cultivars, highest fruit yields were observed at 650 µmol mol<sup>-1</sup> [CO<sub>2</sub>], which was particularly clear at 25°C. The fruit yield gradually decreased at 30°C under all the treatment combinations. However, photosynthesis rates were highest at 650 µmol mol<sup>-1 </sup>[CO<sub>2</sub>] but no increment was found at 900 µmol mol<sup>-1</sup> [CO<sub>2</sub>]. Interestingly, Ci/Ca ratio increased with increasing atmospheric [CO<sub>2</sub>] which was predominant at high temperature. Similarly, fruit yield was substantially reduced at high [CO<sub>2</sub>] under high temperature. Our findings suggest that increased Ci/Ca ratio at high temperature is likely reduces the photosynthesis and thus yield response to elevated [CO<sub>2</sub>]. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atmospheric%20CO%E2%82%82%20concentration" title="atmospheric CO₂ concentration">atmospheric CO₂ concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20yield" title=" fruit yield"> fruit yield</a>, <a href="https://publications.waset.org/abstracts/search?q=strawberry" title=" strawberry"> strawberry</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/91768/interaction-of-elevated-carbon-dioxide-and-temperature-on-strawberry-fragaria-ananassa-growth-and-fruit-yield" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91768.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">239</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9054</span> Alleviation of Thermal Stress in Pinus ponderosa by Plant-Growth Promoting Rhizobacteria Isolated from Mixed-Conifer Forests</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kelli%20G.%20Thorup">Kelli G. Thorup</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristopher%20A.%20Blee"> Kristopher A. Blee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate change enhances the occurrence of extreme weather: wildfires, drought, rising summer temperatures, all of which dramatically decline forest growth and increase tree mortality in the mixed-conifer forests of Sierra Nevada, California. However, microbiota living in mutualistic relations with plant rhizospheres have been found to mitigate the effects of suboptimal environmental conditions. The goal of this research is to isolate native beneficial bacteria, plant-growth promoting rhizobacteria (PGPR), that can alleviate heat stress in Pinus ponderosa seedlings. Bacteria were isolated from the rhizosphere of Pinus ponderosa juveniles located in mixed-conifer stand and further characterized for PGP potential based on their ability to produce key growth regulatory phytohormones including auxin, cytokinin, and gibberellic acid. Out of ten soil samples taken, sixteen colonies were isolated and qualitatively confirmed to produce indole-3-acetic acid (auxin) using Salkowski’s reagent. Future testing will be conducted to quantitatively assess phytohormone production in bacterial isolates. Furthermore, bioassays will be performed to determine isolates abilities to increase tolerance in heat-stressed Pinus ponderosa seedlings. Upon completion of this research, a PGPR could be utilized to support the growth and transplantation of conifer seedlings as summer temperatures continue to rise due to the effects of climate change. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conifer" title="conifer">conifer</a>, <a href="https://publications.waset.org/abstracts/search?q=heat-stressed" title=" heat-stressed"> heat-stressed</a>, <a href="https://publications.waset.org/abstracts/search?q=phytohormones" title=" phytohormones"> phytohormones</a>, <a href="https://publications.waset.org/abstracts/search?q=Pinus%20ponderosa" title=" Pinus ponderosa"> Pinus ponderosa</a>, <a href="https://publications.waset.org/abstracts/search?q=plant-growth%20promoting%20rhizobacteria" title=" plant-growth promoting rhizobacteria"> plant-growth promoting rhizobacteria</a> </p> <a href="https://publications.waset.org/abstracts/135826/alleviation-of-thermal-stress-in-pinus-ponderosa-by-plant-growth-promoting-rhizobacteria-isolated-from-mixed-conifer-forests" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135826.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">118</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9053</span> The Biofertilizer Effect of Pseudomonas of Salt Soils of the North-West Algerian, Study of Comportment of Bean (Vicia Faba)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Djoudi%20Abdelhak">Djoudi Abdelhak</a>, <a href="https://publications.waset.org/abstracts/search?q=Djibaoui%20Rachid"> Djibaoui Rachid</a>, <a href="https://publications.waset.org/abstracts/search?q=Reguieg%20Yassaad%20Houcine"> Reguieg Yassaad Houcine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our study focuses on the identification of some species of Pseudomonas (P4, P5, P7 and P8) isolated from saline soils in northwestern Algeria and the effect of their metabolites on the growth of Alternaria alternata the causative agent of the blight of the bean disease (Vicia faba). We are also interested in stimulating the growth of this plant species in saline conditions (60 mM/l NaCl) and the absence of salts. The analysis focuses on rates of inhibition of mycelial growth of Alternaria alternata strain and the rate of growth of plants inoculated with strains of Pseudomonas expressed by biometrics. According to the results of the in-vitro test, P5 and P8 species and their metabolites showed a significant effect on mycelia growth and production of spores of Alternaria alternata. The in-vivo test shows that the species P8 and P5 were significantly and positively influencing the growth in biometric parameters of the bean in saline and salt-free condition. Inoculation with strain P5 has promoted the growth of the bean in stem height, stem fresh weight and dry weight of stems of 108.59%, 115.28%, 104.33%, respectively, in the presence of salt Inoculation with strain P5 has fostered the growth of the bean stem fresh weight of 112.47% in the presence of salt The effect of Pseudomonas species on the development of Vicia faba and the growth of Alternaria alternata is considering new techniques and methods of biological production and crop protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=vicia%20faba" title=" vicia faba"> vicia faba</a>, <a href="https://publications.waset.org/abstracts/search?q=alternaria%20alternata" title=" alternaria alternata"> alternaria alternata</a>, <a href="https://publications.waset.org/abstracts/search?q=promoting%20of%20plant%20growth" title=" promoting of plant growth"> promoting of plant growth</a> </p> <a href="https://publications.waset.org/abstracts/30608/the-biofertilizer-effect-of-pseudomonas-of-salt-soils-of-the-north-west-algerian-study-of-comportment-of-bean-vicia-faba" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30608.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">392</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9052</span> Influence of Vesicular Arbuscular Mycorrhiza on Growth of Cucumis myriocarpus Indigenous Leafy Vegetable</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pontsho%20E.%20Tseke">Pontsho E. Tseke</a>, <a href="https://publications.waset.org/abstracts/search?q=Phatu%20W.%20Mashela"> Phatu W. Mashela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Climate-smart agriculture dictates that underusilised indigenous plant, which served as food for local marginalized communities, be assessed for introduction into mainstream agriculture. Most of the underutilised indigenous plants had survived adverse conditions in the wild; with limited information on how the interact with most abiotic and biotic factors. Cucumis myriocarpus leafy vegetable has nutritional, pharmacological and industrial applications, with limited information on how it interacts with effective microorganisms. The objective of this study was to determine the effects vesicular arbuscular mycorrhiza (VAM) on the growth of C. myriocarpus indigenous leafy vegetable under greenhouse conditions. Four-weeks-old seedlings of C. myriocarpus were transplanted into 20-cm-diameter plastic pots. Two weeks after transplanting, VAM was applied at 0, 10, 20, 30, 40, 50, 60 and 70 g Biocult-VAM plant. At 56 days after treatments, plant growth variables of C. myriocarpus with increase Biocult-VAM levels exhibited positive quadratic relations. Plant variables and increasing concentrations of salinity exhibited positive quadric relations, with 95 to 99% associations. Inclusion, Biocult-VAM can be used in sustainable production of C. myriocarpus for functional food security. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=abiotic" title="abiotic">abiotic</a>, <a href="https://publications.waset.org/abstracts/search?q=biotic" title=" biotic"> biotic</a>, <a href="https://publications.waset.org/abstracts/search?q=rhizasphere" title=" rhizasphere"> rhizasphere</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20agriculture" title=" sustainable agriculture"> sustainable agriculture</a> </p> <a href="https://publications.waset.org/abstracts/72606/influence-of-vesicular-arbuscular-mycorrhiza-on-growth-of-cucumis-myriocarpus-indigenous-leafy-vegetable" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72606.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">279</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9051</span> Pesticidal Potential of Selected Aqueous Plant Extracts for the Control of Webber Caterpillar (Hymenis Recurvalis Fab.) Infestation on Amaranthus in Kashere,Gombe State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Degri%20M.%20M">Degri M. M</a>, <a href="https://publications.waset.org/abstracts/search?q=Samaila%20A.%20E."> Samaila A. E.</a>, <a href="https://publications.waset.org/abstracts/search?q=Simon%20L."> Simon L.</a>, <a href="https://publications.waset.org/abstracts/search?q=Joly%20G.%20A."> Joly G. A.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The amaranth leaf webber caterpillar (Hymenia recurvalis Fab.) was found to cause serious leaf damage by perforation and reduce amaranth growth and yield. It is a major limiting factor in amaranth production. Field experiments were conducted during 2022 and 2023 with the aim of assessing insecticidal potential of five selected plant leaf extracts, namely Moringa oleifera, Azadiractha indica A. Juss , Balanites aegyptiaca Del., Momordica balsamina and Hyptis suaveolens using Lambda.cyhalothrin 2.5 EC, a synthetic insecticide as a check. The experiment was conducted in a randomized complete block design (RCBD) replicated three times. Results showed that A.indica and H.suaveolous were more effective in reducing H .recurvalis population, leaf perforation, leaf damaged and improved amaranth plant growth and yield. This was closely followed by B. aegyptiaca and M. balsamina while M. oleifera had the lowest effect on the use of pest population and damage. Lambda.cyhalothrin, a synthetic insecticide, was found to be superior to the five plant extracts. The result showed that A. indica and H. suaveolens improved the growth and yield of amaranth during the study period. The study, therefore, recommended the two plant extracts for the control of leaf webber caterpillar (H. recurvalis) to limited resource farmers and as a good alternative to Lambda.cyhalothrin 2.5EC in the study area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amaranth" title="Amaranth">Amaranth</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20Webber%20plant%20extracts" title=" leaf Webber plant extracts"> leaf Webber plant extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=Lambda%20cyhalothrin" title=" Lambda cyhalothrin"> Lambda cyhalothrin</a>, <a href="https://publications.waset.org/abstracts/search?q=rainfed" title=" rainfed"> rainfed</a> </p> <a href="https://publications.waset.org/abstracts/192547/pesticidal-potential-of-selected-aqueous-plant-extracts-for-the-control-of-webber-caterpillar-hymenis-recurvalis-fab-infestation-on-amaranthus-in-kasheregombe-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192547.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">18</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9050</span> Salinity Stress: Effects on Growth Biochemical Parameters and Ion Homeostasis in Spinach (Spinacia Oleracea L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Umar%20Jaafar">Umar Jaafar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mungadi"> Mungadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plant growth, biochemical parameters, cytotoxic ion sequestration and ionic in balance were determined for spinach in response to varied concentrations of NaCl. The plant show decline in all vegetative parameters measured. Free proline content increase with increasing salt concentration and differ significantly (p<0.05) while the glycine betaine insignificantly (p>0.05) affected by concentration of NaCl. Salinity increases the cytotoxic ions, sodium chlorine ion and calcium with corresponding decrease in potassium ion concentrations. The ionic balance (Na+/K+) is low due to high content of potassium ion in plant accumulation ranging from 7700 to 6500 mg/kg. It can be concluded that the osmolyte accumulations, high number of leaves are possible indicators of salt tolerance in the spinach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spinach" title="spinach">spinach</a>, <a href="https://publications.waset.org/abstracts/search?q=salinity" title=" salinity"> salinity</a>, <a href="https://publications.waset.org/abstracts/search?q=osmolyte" title=" osmolyte"> osmolyte</a>, <a href="https://publications.waset.org/abstracts/search?q=cytotoxic" title=" cytotoxic"> cytotoxic</a> </p> <a href="https://publications.waset.org/abstracts/30650/salinity-stress-effects-on-growth-biochemical-parameters-and-ion-homeostasis-in-spinach-spinacia-oleracea-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30650.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">358</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9049</span> Effect of Inflorescence Removal and Earthing-Up Times on Growth and Yield of Potato (Solanum tuberosum L.) at Jimma Southwestern Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dessie%20Fisseha">Dessie Fisseha</a>, <a href="https://publications.waset.org/abstracts/search?q=Derbew%20Belew"> Derbew Belew</a>, <a href="https://publications.waset.org/abstracts/search?q=Ambecha%20Olika"> Ambecha Olika</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Potato is a high-potential food security crop in Ethiopia. However, the yield and productivity of the crop have been far below the world average. This is due to several factors, including appropriate agronomic practices, such as time of earthing-up and inflorescence management. A field experiment was conducted at Jimma, Southwest Ethiopia, during 2016/17 under irrigation to determine the effect of time of earthing-up and inflorescence removal on the growth, yield, and quality of potatoes. The treatments consisted of a time of earthing-up (no earthing-up, earthing-up at 15, 30, and 45 days after complete plant emergence) and inflorescence removal (inflorescence removed and not removed). Potato variety (Belete) was used for this experiment. A 2x4 factorial experiment was laid out with three replications. Data collected on the growth, yield, and quality components of potatoes were analyzed using SAS Version 9.3 statistical software. Inflorescence removal affected the majority of the growth and yield parameters, while the time of earthing-up affected all growth, yield, and quality (green tuber number) parameters. Earthing-up at 15 days in combination with inflorescence removal (at 60 days after complete plant emergence) gave better plant growth and maximum tuber yield of the Belete potato variety under irrigated conditions. Since the current research was conducted at one location, in one season, and with one potato cultivar (Belete), it would be advisable to repeat the experiment so as to arrive at a final conclusion and subsequent recommendation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Belete" title="Belete">Belete</a>, <a href="https://publications.waset.org/abstracts/search?q=earthing-up" title=" earthing-up"> earthing-up</a>, <a href="https://publications.waset.org/abstracts/search?q=inflorescence" title=" inflorescence"> inflorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a> </p> <a href="https://publications.waset.org/abstracts/167985/effect-of-inflorescence-removal-and-earthing-up-times-on-growth-and-yield-of-potato-solanum-tuberosum-l-at-jimma-southwestern-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167985.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9048</span> Media Manipulations and the Culture of Beneficial Endophytic Fungi in the Leaves and Stem Bark of Grewia lasiocarpa E. Mey. Ex Harv</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akwu%20A.%20Nneka">Akwu A. Nneka</a>, <a href="https://publications.waset.org/abstracts/search?q=Naidoo"> Naidoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yougasphree"> Yougasphree</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A significantly high number of microbes exist in higher plants; these microbes include bacteria, fungi, and actinomycetes. There are reports on the benefits of endophytic fungi and their products of metabolism to the host plant and man, consequently, it is expedient to explore the changes that could arise as a result of manipulating their growth media. Grewia lasiocarpa E. Mey. ex Harv. (Malvaceae) is an indigenous Southern African plant, that belongs to a genus with known medicinal properties. Three media were used to culture the endophytic fungi viz., Potato Dextrose Agar (PDA), Malt Extract Agar (MEA), and Bacteriological Agar (BA) were used singly, and supplemented with three dilutions of the leaves and stem bark extracts. The manipulated growth media composition had a significant effect on the diversity of the isolated fungal populations. Several endophytic fungi were isolated; their distribution and diversity revealed a significant relatedness with the manipulated media. The media supplemented with the plant extracts was observed to give a significant increase in the growth rate and yield of the endophytes. To the best of our knowledge, this is the first study describing the endophytic fungi present in the leaves and stem bark of G. lasiocarpa E. Mey. ex Harv. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Grewia%20lasiocarpa" title="Grewia lasiocarpa">Grewia lasiocarpa</a>, <a href="https://publications.waset.org/abstracts/search?q=plant-based%20extracts" title=" plant-based extracts"> plant-based extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=endophytic%20fungi" title=" endophytic fungi"> endophytic fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=Malvaceae" title=" Malvaceae"> Malvaceae</a> </p> <a href="https://publications.waset.org/abstracts/123827/media-manipulations-and-the-culture-of-beneficial-endophytic-fungi-in-the-leaves-and-stem-bark-of-grewia-lasiocarpa-e-mey-ex-harv" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123827.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">155</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9047</span> Fusarium Wilt of Tomato: Plant Growth, Physiology and Biological Disease Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amna%20Shoaib">Amna Shoaib</a>, <a href="https://publications.waset.org/abstracts/search?q=Sidrah%20Hanif"> Sidrah Hanif</a>, <a href="https://publications.waset.org/abstracts/search?q=Rashid%20Mehmood"> Rashid Mehmood</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Current research work was carried out to check influence of farmyard manure (FYM) in Lycopersicon esculentum L. against Fusarium oxysporum f. sp. lycopersici (FO) in copper polluted soil. Silt-loam soil naturally enriched with 70 ppm of Cu was inoculated with 1 x 106 spore suspensions of FO and incorporated with 0%, 1%, 1.5% or 2% FYM. The multilateral interaction of host-pathogen-metal-organic amendment was assessed in terms of morphology, growth, yield, physiology, biochemistry and metal uptake in tomato plant after 30 and 60 days of sowing. When soil was inoculated with FO, plant growth and biomass were significantly increased during vegetative stage, while declining during flowering stage with substantial increase in productivity over control. Infected plants exhibited late wilting and disease severity was found on 26-50% of plant during reproductive stage. Incorporation of up to 1% FYM suppressed disease severity, improved plant growth and biomass, while it decreased yield. Rest of manure doses was found ineffective in suppressing disease. Content of total chlorophyll, sugar and protein were significantly declined in FO inoculated plants and incorporation of FYM caused significant reduction or no influence on sugar and chlorophyll content, and no pronounced difference among different FYM doses were observed. On the other hand, proline, peroxidase, catalase and nitrate reductase activity were found to be increased in infected plants and incorporation of 1-2% FYM further enhanced the activity of these enzymes. Tomato plant uptake of 30-40% of copper naturally present in the soil and incorporation of 1-2% FYM markedly decreased plant uptake of metal by 15-30%, while increased Cu retention in soil. Present study concludes that lower dose (1%) of FYM could be used to manage disease, increase growth and biomass, while being ineffective for yield and productivity in Cu-polluted soil. Altered physiology/biochemistry of plant in response to any treatment could be served as basis for resistant against pathogen and metal homeostasis in plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lycopersicon%20esculentum" title="Lycopersicon esculentum">Lycopersicon esculentum</a>, <a href="https://publications.waset.org/abstracts/search?q=copper" title=" copper"> copper</a>, <a href="https://publications.waset.org/abstracts/search?q=Fusarium%20wilt" title=" Fusarium wilt"> Fusarium wilt</a>, <a href="https://publications.waset.org/abstracts/search?q=farm%20yard%20manure" title=" farm yard manure"> farm yard manure</a> </p> <a href="https://publications.waset.org/abstracts/11199/fusarium-wilt-of-tomato-plant-growth-physiology-and-biological-disease-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11199.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">414</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9046</span> Physical and Chemical Properties during Home Composting of Municipal Organic Solid Waste in Jordan and Production of Organic Fertilizer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Munir%20Rusan">Munir Rusan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Municipal waste management (MWM) represents a cornerstone in the effort to preserve the environment, which guarantees a healthy living environment for communities. MWM is directly affected by population growth and population density, urbanization, and tourism. In Jordan, MWM is currently managed by transferring and dumping waste into landfills. Landfills are mostly saturated and cannot receive any more waste. Besides, the organic waste, which accounts for 50% of municipal waste, will be naturally fermented in the landfills creating an unpleasant odor and emits greenhouse gases as well as generate organic leachates that are harmful to the environment. Organic waste can be aerobically composted and generate organic fertilizer called compost. Compost is very beneficial to soil and plant growth and, in general, to the ecosystem. Home composting is very common in most developed countries, but unfortunately, in developing countries such as Jordan, such an approach is not practiced and is not even socially well acceptable. The objective of this study was to evaluate the physical and chemical properties of home composting materials and to produce compost for further use as a soil amendment. The effect of compost soil application on the soil-plant system was evaluated. The soil application of the compost resulted in enhancing soil organic matter and soil N, P, and K content. The plant growth was also improved quantitatively and qualitatively. It was concluded that composting of municipal organic solid waste and soil application of the compost has a significant positive impact on the environment and soil-plant productivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composting" title="composting">composting</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20solid%20waste" title=" organic solid waste"> organic solid waste</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=plant" title=" plant"> plant</a> </p> <a href="https://publications.waset.org/abstracts/164293/physical-and-chemical-properties-during-home-composting-of-municipal-organic-solid-waste-in-jordan-and-production-of-organic-fertilizer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164293.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9045</span> Phytosynthesized Iron Nanoparticles Elicited Growth and Biosynthesis of Steviol Glycosides in Invitro Stevia rebaudiana Plant Cultures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amir%20Ali">Amir Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Yael%20Mendoza"> Laura Yael Mendoza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The application of nanomaterials is becoming the most effective strategy of elicitation to produce a desirable level of plant biomass with complex medicinal compounds. This study was designed to check the influence of phytosynthesized iron nanoparticles (FeNPs) on physical growth characteristics, antioxidant status, and production of steviol glycosides of in vitro grown Stevia rebaudiana. Effect of different concentrations of iron nanoparticles replacement of iron sulfate in MS medium (stock solution) on invitro stevia plant growth following positive control (MS basal medium), negative control (iron sulfate devoid medium), iron sulfate devoid MS medium and supplemented with FeNPs at different concentrations (5.6 mg/L, 11.2 mg/L, 16.8 mg/L, 22.4 mg/L) was evaluated. The iron deficiency leads to a drastic reduction in plant growth. In contrast, applying FeNPs leads to improvement in plant height, leave diameter, improved leave morphology, etc., in a concentration-dependent manner. Furthermore, the stress caused by FeNPs at 16.8 mg/L in cultures produced higher levels of total phenolic content (3.7 ± 0.042 mg/g dry weight: DW) and total flavonoid content (1.9 ± 0.022 mg/g DW and antioxidant activity (78 ± 4.6%). In addition, plants grown in the presence of FeNPs at 22.4 mg/L resulted in higher enzymatic antioxidant activities (SOD = 3.5 ± 0.042 U/mg; POD = 2.6 ± 0.026 U/mg; CAT = 2.8 ± 0.034 U/mg and APx = 3.6 ± 0.043 U/ mg), respectively. Furthermore, exposure to a higher dose of FeNPs (22.4 mg/L) exhibited the maximum amount of stevioside (stevioside: 4.6 ± 0.058 mg/g (DW) and rebaudioside A: 4.9 ± 0.068 mg/g DW) as compared to other doses. The current investigation confirms the effectiveness of FeNPs in growth media. It offers a suitable prospect for commercially desirable production of S. rebaudiana biomass with higher sweet glycosides profiles in vitro. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cell%20culture" title="cell culture">cell culture</a>, <a href="https://publications.waset.org/abstracts/search?q=stevia" title=" stevia"> stevia</a>, <a href="https://publications.waset.org/abstracts/search?q=iron%20nanoparticles" title=" iron nanoparticles"> iron nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidants" title=" antioxidants"> antioxidants</a> </p> <a href="https://publications.waset.org/abstracts/169828/phytosynthesized-iron-nanoparticles-elicited-growth-and-biosynthesis-of-steviol-glycosides-in-invitro-stevia-rebaudiana-plant-cultures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169828.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">96</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9044</span> Soil-Less Misting System: A Technology for Hybrid Seed Production in Tomato (Lycopersicon esculentum Mill.).</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20D.%20Rajatha">K. D. Rajatha</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Rajendra%20Prasad"> S. Rajendra Prasad</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Nethra"> N. Nethra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aeroponics is one of the advanced techniques to cultivate plants without soil with minimal water and nutrient consumption. This is the technology which could bring the vertical growth in agriculture. It is an eco-friendly approach widely used for commercial cultivation of vegetables to obtain the supreme quality and yield. In this context, to harvest potentiality of the technology, an experiment was designed to evaluate the suitability of the aeroponics method over the conventional method for hybrid seed production of tomato. The experiment was carried out under Completely Randomized Design with Factorial (FCRD) concept with three replications during the year 2017-18 at UAS, GKVK Bengaluru. Nutrients and pH were standardized; among the six different nutrient solutions, the crop performance was better in Hoagland’s solution with pH between 5.5-7. The results of the present study revealed that between TAG1F and TAG2F parental lines, TAG1F performed better in both the methods of seed production. Among the methods, aeroponics showed better performance for the quality parameters except for plant spread, due to better availability of nutrients and aeration, huge root biomass in aeroponics. Aeroponics method showed significantly higher plant length (124.9 cm), plant growth rate (0.669), seedling survival rate (100%), early flowering (27.5 days), highest fruit weight (121.5 g), 100 seed weight (0.373 g) and total seed yield plant⁻¹ (11.68 g) compared to the conventional method. By providing the best environment for plant growth, the genetically best possible plant could be grown, thus complete potentiality of the plant could be harvested. Hence, aeroponics could be a promising tool for quality and healthy hybrid seed production throughout the year within protected cultivation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aeroponics" title="aeroponics">aeroponics</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoagland%E2%80%99s%20solution" title=" Hoagland’s solution"> Hoagland’s solution</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20seed%20production" title=" hybrid seed production"> hybrid seed production</a>, <a href="https://publications.waset.org/abstracts/search?q=Lycopersicon%20esculentum" title=" Lycopersicon esculentum"> Lycopersicon esculentum</a> </p> <a href="https://publications.waset.org/abstracts/109483/soil-less-misting-system-a-technology-for-hybrid-seed-production-in-tomato-lycopersicon-esculentum-mill" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109483.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9043</span> Phytotreatment of Polychlorinated Biphenyls Contaminated Soil by Chromolaena odorata L. King and Robinson</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20O.%20Anyasi">R. O. Anyasi</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20I.%20Atagana"> H. I. Atagana </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, phytoextraction ability of a weed on Aroclor 1254 was studied under greenhouse conditions. Chromolaena odorata plants were transplanted into soil containing 100, 200, and 500 ppm of Aroclor in 1L pots. The experiments were watered daily at 70 % moisture field capacity. Parameters such as fully expanded leaves per plant, shoot length, leaf chlorophyll content as well as root length at harvest were measured. PCB was not phytotoxic to C. odorata growth but plants in the 500 ppm treatment only showed diminished growth at the sixth week. Percentage increases in height of plant were 45.9, 39.4 and 40.0 for 100, 200 and 500 ppm treatments respectively. Such decreases were observed in the leaf numbers, root length and leaf chlorophyll concentration. The control sample showed 48.3 % increase in plant height which was not significant from the treated samples, an indication that C. odorata could survive such PCB concentration and could be used to remediate contaminated soil. Mean total PCB absorbed by C. odorata plant was between 6.40 and 64.60 ppm per kilogram of soil, leading to percentage PCB absorption of 0.03 and 17.03 % per kilogram of contaminated soil. PCBs were found mostly in the root tissues of the plants, and the Bioaccumulation factor were between 0.006-0.38. Total PCB absorbed by the plant increases as the concentration of the compound is increased. With these high BAF ensured, C. odorata could serve as a promising candidate plant in phytoextraction of PCB from a PCB-contaminated soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phytoremediation" title="phytoremediation">phytoremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=bioremediation" title=" bioremediation"> bioremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20restoration" title=" soil restoration"> soil restoration</a>, <a href="https://publications.waset.org/abstracts/search?q=polychlorinated%20biphenyls%20%28PCB%29" title=" polychlorinated biphenyls (PCB)"> polychlorinated biphenyls (PCB)</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20treatment" title=" biological treatment"> biological treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=aroclor" title=" aroclor"> aroclor</a> </p> <a href="https://publications.waset.org/abstracts/22505/phytotreatment-of-polychlorinated-biphenyls-contaminated-soil-by-chromolaena-odorata-l-king-and-robinson" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22505.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9042</span> Seedling Emergence and Initial Growth of Different Plants after Trichoderma sp. Inoculation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Simonida%20S.%20Djuric">Simonida S. Djuric</a>, <a href="https://publications.waset.org/abstracts/search?q=Timea%20I.%20Hajnal%20Jafari"> Timea I. Hajnal Jafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Dragana%20R.%20Stamenov"> Dragana R. Stamenov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of plant growth promoting fungi (PGPF) has significantly increased in the last decade mostly due to their multi-level properties, and their expected success as biofertilizers in agriculture. Beneficial fungi with broad-host range undergo long-term interactions with a large variety of plants thereby playing a significant role in managed ecosystems and in the adaptation of crops to global climate changes. Trichoderma spp. are promising fungi toward the development of sustainable agriculture. The aim of our experiment was to investigate the effect of seed inoculation of sunflower, maize, soybean, paprika, melon, and watermelon seeds with Trichoderma sp. on early seed germination energy and initial growth of the plant. The seed inoculation with Trichoderma sp. increased the seedling emergence from 7, 85% in melon to 156,70% in watermelon. The inoculation had the best effect on initial growth of maize shoot (+23,80%) and soybean root (+106,30%). The different response of seed and young plants on Trichoderma sp. inoculation implicate the need for future investigations of successful inoculation systems and modes of their integration in sustainable agriculture production systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=initial%20growth" title="initial growth">initial growth</a>, <a href="https://publications.waset.org/abstracts/search?q=inoculation" title=" inoculation"> inoculation</a>, <a href="https://publications.waset.org/abstracts/search?q=seedling" title=" seedling"> seedling</a>, <a href="https://publications.waset.org/abstracts/search?q=Trichoderma%20sp." title=" Trichoderma sp."> Trichoderma sp.</a> </p> <a href="https://publications.waset.org/abstracts/80517/seedling-emergence-and-initial-growth-of-different-plants-after-trichoderma-sp-inoculation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80517.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">240</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9041</span> Productivity and Profitability of Field Pea as Influenced by Different Levels of Fertility and Bio-Fertilizers under Irrigated Condition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akhilesh%20Mishra">Akhilesh Mishra</a>, <a href="https://publications.waset.org/abstracts/search?q=Geeta%20Rai"> Geeta Rai</a>, <a href="https://publications.waset.org/abstracts/search?q=Arvind%20Srivastava"> Arvind Srivastava</a>, <a href="https://publications.waset.org/abstracts/search?q=Nalini%20Tiwari"> Nalini Tiwari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A field experiment was conducted during two consecutive Rabi seasons of 2007 and 2008 to study the economics of different bio-fertilizer’s inoculations in fieldpea (cv. Jai) at Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (India). Results indicated that the seed inoculation with Rhizobium + PSB + PGPR improved all the growth; yield attributes and yields of field pea. Fresh and dry weight plant-1, nodules number and dry weight plant-1 were found significantly maximum. Number of grains pod-1, number and weight of pods plant-1 at maturity attributed significantly in increasing the grain yield as well as net return. On pooled basis, maximum net income (Rs.22169 ha-1) was obtained with the use of Rhizobium + PSB + PGPR which was improved by a margin of Rs.1502 (6.77%), 2972 (13.40%), 2672 (12.05%), 5212 (23.51%), 6176 (27.85%), 4666 (21.04%) and 8842/ha (39.88%) over the inoculation of PSB + PGPR, Rhizobium + PGPR, Rhizobium + PSB, PGPR, PSB, Rhizobium and control, respectively. Thus, it can be recommended that to earn the maximum net profit from dwarf field pea, seed should be inoculated with Rhizobium + PSB + PGPR. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rhizobium" title="rhizobium">rhizobium</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphorus%20solubilizing%20bacteria" title=" phosphorus solubilizing bacteria"> phosphorus solubilizing bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20growth%20promoting%20rhizobacteria" title=" plant growth promoting rhizobacteria"> plant growth promoting rhizobacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=field%20pea" title=" field pea"> field pea</a> </p> <a href="https://publications.waset.org/abstracts/10422/productivity-and-profitability-of-field-pea-as-influenced-by-different-levels-of-fertility-and-bio-fertilizers-under-irrigated-condition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10422.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">409</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9040</span> Phytoremediation of Zn-Contaminated Soils by Malva Sylvestris</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdelouahab%20Diafat">Abdelouahab Diafat</a>, <a href="https://publications.waset.org/abstracts/search?q=Meribai%20Abdelmalek"> Meribai Abdelmalek</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Bahloul"> Ahmed Bahloul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> phytoremediation is the use of plants to remove or degrade organic or inorganic contaminants from soil and water this work aims to study the potential effect of malva sylvestris for the phytoremediation of soils contaminated by Zn. plants were grown in pots containing soil artificially contaminated with Zn at concentrations of 100, 200, and 300 mg/kg. the results obtained show that the Zn concentrations used have a negative effect on the growth of this plant the search for the metal carried out by the technique of atomic absorption spectrometry shows that this plant accumulates a small quantity of this metal. it can be concluded that the malva sylvestris plant tolerates Zn contaminated soils but it is not considered as a zinc hyperaccumulator plant <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phytoremidiation" title="phytoremidiation">phytoremidiation</a>, <a href="https://publications.waset.org/abstracts/search?q=Zn-contaminated%20soils" title=" Zn-contaminated soils"> Zn-contaminated soils</a>, <a href="https://publications.waset.org/abstracts/search?q=Malva%20Sylvestris" title=" Malva Sylvestris"> Malva Sylvestris</a>, <a href="https://publications.waset.org/abstracts/search?q=phytoextraction" title=" phytoextraction"> phytoextraction</a> </p> <a href="https://publications.waset.org/abstracts/159945/phytoremediation-of-zn-contaminated-soils-by-malva-sylvestris" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159945.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9039</span> Effect of Poultry Manure and Nitrogen, Phosphorus, and Potassium (15:15:15) Soil Amendment on Growth and Yield of Carrot (Daucus carota)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benjamin%20Osae%20Agyei">Benjamin Osae Agyei</a>, <a href="https://publications.waset.org/abstracts/search?q=Hypolite%20Bayor"> Hypolite Bayor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This present experiment was carried out during the 2012 cropping season, at the Farming for the Future Experimental Field of the University for Development Studies, Nyankpala Campus in the Northern Region of Ghana. The objective of the experiment was to determine the carrot growth and yield responses to poultry manure and N.P.K (15:15:15). Six treatments (Control (no amendment), 20 t/ha poultry manure (PM), 40 t/ha PM, 70 t/ha PM, 35 t/ha PM + 0.11t/ha N.P.K and 0.23 t/ha N.P.K) with three replications for each were laid in a Randomized Complete Block Design (RCBD). Data were collected on plant height, number of leaves per plant, canopy spread, root diameter, root weight, and root length. Microsoft Excel and Genstat Statistical Package (9<sup>th</sup> edition) were used for the data analysis. The treatment means were compared by using Least Significant Difference at 10%. Generally, the results showed that there were no significant differences (P>0.1) among the treatments with respect to number of leaves per plant, root diameter, root weight, and root length. However, significant differences occurred among plant heights and canopy spreads. Plant height treated with 40 t/ha PM at the fourth week after planting and canopy spread at eight weeks after planting and ten weeks after planting by 70 t/ha PM and 20 t/ha PM respectively showed significant difference (P<0.1). The study recommended that any of the amended treatments can be applied at their recommended rates to plots for carrot production, since there were no significant differences among the treatments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poultry%20manure" title="poultry manure">poultry manure</a>, <a href="https://publications.waset.org/abstracts/search?q=N.P.K." title=" N.P.K."> N.P.K.</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20amendment" title=" soil amendment"> soil amendment</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=carrot" title=" carrot"> carrot</a> </p> <a href="https://publications.waset.org/abstracts/58880/effect-of-poultry-manure-and-nitrogen-phosphorus-and-potassium-151515-soil-amendment-on-growth-and-yield-of-carrot-daucus-carota" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58880.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">471</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9038</span> Impact of Organic Fertilizer, Inorganic Fertilizer and Soil Conditioner on Growth and Yield of Cowpea (Vigna unguiculata L. Walp) in Sudan Savannah, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Bello%20Sokoto">Mohammed Bello Sokoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Adewumi%20Babatunde%20Adebayo"> Adewumi Babatunde Adebayo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ajit%20Singh"> Ajit Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The field experiment was conducted at the dry land Teaching and Research Farm of Usmanu Danfodiyo University, Sokoto, during the 2023 rainy season to determine the effects of organic, inorganic, soil conditioner and integrated use of soil conditioners (Agzyme) with organic (super gro) and inorganic fertilizers on the growth and yield of cowpea varieties. The research consisted of two cowpea varieties (SAMPEA-20-T and ex-GidanYunfa) and six combinations of organic and inorganic fertilizers and soil conditioners factorially combined and laid out in a Randomized Complete Block Design (RCBD) replicated three times. Data were collected on plant height, leaf area index, number of pods per plant, number of seeds per pod, days to 50% flowering, grain yield, and 100 seed weight. Results indicated that the 100% inorganic fertilizer had a significantly increased growth parameter such as plant height and number of leaves, while combined application of the organic fertilizer and soil conditioner resulted in a significant increase in yield parameters such as number of pods per plant, number of seeds per pod, 100 seed weight and grain yield. The study observed that the use of soil conditioner in combination with fertilizers supports sustainable cowpea production. Application of 50% recommended inorganic + 50% soil conditioner or 50% liquid organic + 50% soil conditioner was better in increasing the number of pods/plant, seeds/pod, 100 seed weight and grain yield. The ex-Gidan Yunfa cowpea variety generally performed better in most parameters measured, such as plant height, days to 50% flowering, number of pods per plant, number of seeds per pod, 100 seed weight and grain yield. Therefore, the combined application of 50% recommended inorganic + 50% soil conditioner or 50% liquid organic + 50% soil conditioner is effective for the sustainable production of cowpeas. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=integrated" title="integrated">integrated</a>, <a href="https://publications.waset.org/abstracts/search?q=fertilizers" title=" fertilizers"> fertilizers</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=cowpea" title=" cowpea"> cowpea</a>, <a href="https://publications.waset.org/abstracts/search?q=Sudan%20Savannah" title=" Sudan Savannah"> Sudan Savannah</a> </p> <a href="https://publications.waset.org/abstracts/186529/impact-of-organic-fertilizer-inorganic-fertilizer-and-soil-conditioner-on-growth-and-yield-of-cowpea-vigna-unguiculata-l-walp-in-sudan-savannah-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186529.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">46</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9037</span> Influence of Pseudomonas japonica on Growth and Metal Tolerance of Celosia cristata L.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Umair%20Mushtaq">Muhammad Umair Mushtaq</a>, <a href="https://publications.waset.org/abstracts/search?q=Ameena%20Iqbal"> Ameena Iqbal</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Aqib%20Hassan%20Ali%20Khan"> Muhammad Aqib Hassan Ali Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismat%20Nawaz"> Ismat Nawaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Sohail%20Yousaf"> Sohail Yousaf</a>, <a href="https://publications.waset.org/abstracts/search?q=Mazhar%20Iqbal"> Mazhar Iqbal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heavy metals are one of the priority pollutants as they pose serious health and environmental threats. They can be removed by various physiochemical methods but are costly and responsible for additional environmental problems. Bioremediation that exploits plants and their associated microbes have been referred as cost effective and environmental friendly technique. In this study, a pot experiment was conducted in a greenhouse to evaluate the potential of Celosia cristata and effects of bacteria, Pseudomonas japonica, and organic amendment moss/compost on tolerating/accumulating heavy metals. Two weeks old seedlings were transferred to soil in pots, and after four weeks they were inoculated with bacterial strain, while after growth of six weeks they were watered with a metal containing synthetic wastewater and were harvested after a growth period of nine weeks. After harvesting, morphological and physiological parameters and metal content of plants were measured. The results showed highest plant growth and biomass production in case of organic amendments while highest metal uptake has been found in non-amended pots. Positive controls have shown highest Pb uptake of 2900 mg/kg DW, while P. japonica amended pots have shown highest Cd, Cr, Ni and Cu uptake of 963.53, 1481.17, 1022.01 and 602.17 mg/kg DW, respectively. In conclusion organic amendments have strong impacts on growth enhancement while P. japonica enhances metal translocation and accumulation to aerial parts with little significant involvement in plant growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ornamental%20plants" title="ornamental plants">ornamental plants</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20microbe%20interaction" title=" plant microbe interaction"> plant microbe interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=amendments" title=" amendments"> amendments</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a> </p> <a href="https://publications.waset.org/abstracts/71841/influence-of-pseudomonas-japonica-on-growth-and-metal-tolerance-of-celosia-cristata-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71841.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9036</span> Screening of Indigenous Rhizobacteria for Growth Promoting and Antagonistic Activity against Fusarium Oxysporoum in Tomato</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20H.%20Abu-Dieyeh">Mohammed H. Abu-Dieyeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20M.%20Zalloum"> Mohammad M. Zalloum</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plant growth-promoting rhizobacteria (PGPR) are known to enhance plant growth and/or reduce plant damage due to soil-borne pathogens. Tomato is the highest consumable vegetable world-wide including Jordan. Fusarium oxysporum is a pathogen that causes well-known damages and losses to many vegetable crops including tomato. In this study, purification of 112 isolates of PGPR strains from rhizosphere environment of different regions in Jordan was accomplished. All bacterial isolates were In-vitro screened for antagonistic effects against F. oxysporum. The eleven most effective isolates that caused 30%-50% in-vitro growth reduction of F. oxysporum were selected. 8 out of 11 of these isolates were collected from Al-Halabat (arid-land). 7 isolates of Al-Halabat exerted 40-54% In-vitro growth reduction of F. oxysporum. Four-week-old seedlings of tomato cultivar (Anjara, the most susceptible indigenous cultivar to F. oxysporum) treated with PGPR5 (Bacillus amyloliquefaciens), and exposed to F. oxysporum, showed no disease symptoms and no significant changes in biomasses or chlorophyll contents indicating a non-direct mechanism of action of PGPR on tomato plants. However PGPR3 (Bacillus sp.), PGPR4 (Bacillus cereus), and PGPR38 (Paenibacillus sp.) treated plants or PGPR treated and exposed to F. oxysporum showed a significant increasing growth of shoot and root biomasses as well as chlorophyll contents of leaves compared to control untreated plants or plants exposed to the fungus without PGPR treatment. A significant increase in number of flowers per plant was also recorded in all PGPR treated plants. The characterization of rhizobacterial strains were accomplished using 16S rRNA gene sequence analysis in addition to microscopic characterization. Further research is necessary to explore the potentiality of other collected PGPR isolates on tomato plants in addition to investigate the efficacy of the identified isolates on other plant pathogens and then finding a proper and effective methods of formulation and application of the successful isolates on selected crops. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antagonism" title="antagonism">antagonism</a>, <a href="https://publications.waset.org/abstracts/search?q=arid%20land" title=" arid land"> arid land</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20promoting" title=" growth promoting"> growth promoting</a>, <a href="https://publications.waset.org/abstracts/search?q=rhizobacteria" title=" rhizobacteria"> rhizobacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=tomato" title=" tomato"> tomato</a> </p> <a href="https://publications.waset.org/abstracts/30095/screening-of-indigenous-rhizobacteria-for-growth-promoting-and-antagonistic-activity-against-fusarium-oxysporoum-in-tomato" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30095.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">372</span> </span> </div> </div> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=plant%20growth&page=1" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=plant%20growth&page=1">1</a></li> <li class="page-item active"><span class="page-link">2</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=plant%20growth&page=3">3</a></li> <li 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