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Search results for: leaf area

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class="col-md-9 mx-auto"> <form method="get" action="https://publications.waset.org/abstracts/search"> <div 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="leaf area"> <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> 9422</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: leaf area</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9422</span> Correlation between the Sowing Date and Yield of Maize on Chernozem Soil, in Connection with the Leaf Area Index and Photosynthesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Enik%C5%91%20Bene">Enikő Bene </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our sowing date experiment took place in the Demonstration Garden of Institution of Plant Sciences, Agricultural Center of University of Debrecen, in 2012-2014. The thesis contains data of test year 2014. Our purpose, besides several other examinations, was to observe how sowing date influences leaf area index and activity of photosynthesis of maize hybrids, and how those factors affect fruiting. In the experiment we monitored the change of the leaf area index and the photosynthesis of hybrids with four different growing seasons. The results obtained confirm that not only the environmental and agricultural factors in the growing season have effect on the yield, but also other factors like the leaf area index and the photosynthesis are determinative parameters, and all those factors together, modifying effects of each other, develop average yields <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sowing%20date" title="sowing date">sowing date</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid" title=" hybrid"> hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area%20index" title=" leaf area index"> leaf area index</a>, <a href="https://publications.waset.org/abstracts/search?q=photosynthetic%20capacity" title=" photosynthetic capacity"> photosynthetic capacity</a> </p> <a href="https://publications.waset.org/abstracts/24588/correlation-between-the-sowing-date-and-yield-of-maize-on-chernozem-soil-in-connection-with-the-leaf-area-index-and-photosynthesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24588.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">9421</span> Image-Based (RBG) Technique for Estimating Phosphorus Levels of Different Crops</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20M.%20Ali">M. M. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Al-%20Ani"> Ahmed Al- Ani</a>, <a href="https://publications.waset.org/abstracts/search?q=Derek%20Eamus"> Derek Eamus</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20K.%20Y.%20Tan"> Daniel K. Y. Tan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this glasshouse study, we developed the new image-based non-destructive technique for detecting leaf P status of different crops such as cotton, tomato and lettuce. Plants were allowed to grow on nutrient media containing different P concentrations, i.e. 0%, 50% and 100% of recommended P concentration (P0 = no P, L; P1 = 2.5 mL 10 L-1 of P and P2 = 5 mL 10 L-1 of P as NaH2PO4). After 10 weeks of growth, plants were harvested and data on leaf P contents were collected using the standard destructive laboratory method and at the same time leaf images were collected by a handheld crop image sensor. We calculated leaf area, leaf perimeter and RGB (red, green and blue) values of these images. This data was further used in the linear discriminant analysis (LDA) to estimate leaf P contents, which successfully classified these plants on the basis of leaf P contents. The data indicated that P deficiency in crop plants can be predicted using the image and morphological data. Our proposed non-destructive imaging method is precise in estimating P requirements of different crop species. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=image-based%20techniques" title="image-based techniques">image-based techniques</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area" title=" leaf area"> leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20P%20contents" title=" leaf P contents"> leaf P contents</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20discriminant%20analysis" title=" linear discriminant analysis"> linear discriminant analysis</a> </p> <a href="https://publications.waset.org/abstracts/37572/image-based-rbg-technique-for-estimating-phosphorus-levels-of-different-crops" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37572.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">381</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">9420</span> Adaptive Strategies of Maize in Leaf Traits to N Deficiency</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Panpan%20Fan">Panpan Fan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Ming"> Bo Ming</a>, <a href="https://publications.waset.org/abstracts/search?q=Niels%20Anten"> Niels Anten</a>, <a href="https://publications.waset.org/abstracts/search?q=Jochem%20Evers"> Jochem Evers</a>, <a href="https://publications.waset.org/abstracts/search?q=Yaoyao%20Li"> Yaoyao Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaokun%20Li"> Shaokun Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Ruizhi%20xie"> Ruizhi xie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nitrogen (N) utilization for crop production under N deficiency conditions is subject to a trade-off between maintaining specific leaf N content (SLN), important for radiation-use efficiency (RUE), versus maintaining leaf area (LA) development, important for light capture. This paper aims to explore how maize deals with this trade-off through responses in SLN, LA and their underlying traits during the vegetative and reproductive growth stages. In a ten-year N fertilization trial in Jilin province, Northeast China, three N fertilizer levels have been maintained: N-deficiency (N0), low N supply (N1), and high N supply (N2). We analyzed data from years 8 and 10 of this experiment for two common hybrids. Under N deficiency, maize plants maintained LA and decreased SLN during vegetative stages, while both LA and SLN decreased comparably during reproductive stages. Canopy-average specific leaf area (SLA) decreased sharply during vegetative stages and slightly during reproductive stages, mainly because senesced leaves in the lower canopy had a higher SLA. In the vegetative stage, maize maintained leaf area at low N by maintaining leaf biomass (albeit hence having N content/mass) and slightly increasing SLA. These responses to N deficiency were stronger in maize hybrid XY335 than in ZD958. We conclude the main strategy of maize to cope with low N is to maintain plant growth, mainly by increasing SLA throughout the plant during early growth. N was too limiting for either strategy to be followed during later growth stages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leaf%20N%20content%20per%20unit%20leaf%20area" title="leaf N content per unit leaf area">leaf N content per unit leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=N%20deficiency" title=" N deficiency"> N deficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=specific%20leaf%20area" title=" specific leaf area"> specific leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=maize%20strateg" title=" maize strateg"> maize strateg</a> </p> <a href="https://publications.waset.org/abstracts/153846/adaptive-strategies-of-maize-in-leaf-traits-to-n-deficiency" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153846.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">93</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">9419</span> The Effect of Brassica rapa Leaf Extracts on the Growth of Upland Ipomoea aquatica</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Keziah%20Bazar">Keziah Bazar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of Brassica rapa leaf extracts on the growth of upland Ipomoea aquatica was investigated. One hundred grams Brassica rapa leaf were blended using a heavy duty blender. These were diluted with water to have final concentrations of 75% (T1), 50% (T2) and 25% (T3) that served as treatments of the study. Pure water (T0) that served as control was also included Upland Ipomoea aquatic were grown in pots. A 3-4 in water level was maintained during the whole duration of the study. Plant height, leaf area, fruit size and shoot height, were taken after 6 months. Results showed that plant height and shoot height was highest in T1 while T0 was the lowest. On the other hand, T2 had the highest leaf area and fruit size. The study suggests that T1 and T2 can be a good fertilizer for Ipomoea aquatica. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ipomoea%20aquatica" title="Ipomoea aquatica">Ipomoea aquatica</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20extracts" title=" leaf extracts"> leaf extracts</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=Brassica%20rapa" title=" Brassica rapa"> Brassica rapa</a> </p> <a href="https://publications.waset.org/abstracts/73123/the-effect-of-brassica-rapa-leaf-extracts-on-the-growth-of-upland-ipomoea-aquatica" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73123.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">225</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">9418</span> Estimating Leaf Area and Biomass of Wheat Using UAS Multispectral Remote Sensing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jackson%20Parker%20Galvan">Jackson Parker Galvan</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenxuan%20Guo"> Wenxuan Guo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Unmanned aerial vehicle (UAV) technology is being increasingly adopted in high-throughput plant phenotyping for applications in plant breeding and precision agriculture. Winter wheat is an important cover crop for reducing soil erosion and protecting the environment in the Southern High Plains. Efficiently quantifying plant leaf area and biomass provides critical information for producers to practice site-specific management of crop inputs, such as water and fertilizers. The objective of this study was to estimate wheat biomass and leaf area index using UAV images. This study was conducted in an irrigated field in Garza County, Texas. High-resolution images were acquired on three dates (February 18, March 25, and May 15th ) using a multispectral sensor onboard a Matrice 600 UAV. On each data of image acquisition, 10 random plant samples were collected and measured for biomass and leaf area. Images were stitched using Pix4D, and ArcGIS was applied to overlay sampling locations and derive data for sampling locations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=precision%20agriculture" title="precision agriculture">precision agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=UAV%20plant%20phenotyping" title=" UAV plant phenotyping"> UAV plant phenotyping</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass" title=" biomass"> biomass</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area%20index" title=" leaf area index"> leaf area index</a>, <a href="https://publications.waset.org/abstracts/search?q=winter%20wheat" title=" winter wheat"> winter wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=southern%20high%20plains" title=" southern high plains"> southern high plains</a> </p> <a href="https://publications.waset.org/abstracts/155539/estimating-leaf-area-and-biomass-of-wheat-using-uas-multispectral-remote-sensing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155539.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">95</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">9417</span> Effect of Selenite and Selenate Uptake by Maize Plants on Specific Leaf Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Garousi">F. Garousi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sz.%20Veres"> Sz. Veres</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%89.%20B%C3%B3di"> É. Bódi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sz.%20V%C3%A1rallyay"> Sz. Várallyay</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Kov%C3%A1cs"> B. Kovács</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Specific leaf area (SLA; cm2leaf g-1leaf) is a key ecophysiological parameter influencing leaf physiology, photosynthesis, and whole plant carbon gain and also can be used as a rapid and diagnostic tool. In this study, two species of soluble inorganic selenium forms, selenite (SeIV) and selenate (SeVI) at different concentrations were investigated on maize plants that were growing in nutrient solutions during 2 weeks and at the end of the experiment, amounts of SLA for first and second leaves of maize were measured. In accordance with the results we observed that our regarded Se concentrations in both forms of SeIV and SeVI were not effective on maize plants’ SLA significantly although high level of 3 mg.kg-1 SeIV had negative affect on growth of the samples that had been treated by it but about SeVI samples we did not observe this state and our different considered SeVI concentrations were not toxic for maize plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maize" title="maize">maize</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20selenate" title=" sodium selenate"> sodium selenate</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20selenite" title=" sodium selenite"> sodium selenite</a>, <a href="https://publications.waset.org/abstracts/search?q=specific%20leaf%20area" title=" specific leaf area "> specific leaf area </a> </p> <a href="https://publications.waset.org/abstracts/21223/effect-of-selenite-and-selenate-uptake-by-maize-plants-on-specific-leaf-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21223.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">400</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">9416</span> Interactions between Water-Stress and VA Mycorrhizal Inoculation on Plant Growth and Leaf-Water Potential in Tomato</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Parisa%20Alizadeh%20Oskuie">Parisa Alizadeh Oskuie</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahram%20Baghban%20Ciruse"> Shahram Baghban Ciruse</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The influence of arbuscular mycorrhizal (AM) fungus(Glomus mossea) on plant growth and leaf-water potential of tomato (lycopersicum esculentum L.cv.super star) were studied in potted culture water stress stress period of 3 months in greenhouse conditions with the soil matric potential maintained at Fc1, Fc2, Fc3, and Fc4 respectively (0.8,0.7,0.6,0.5 Fc). Seven-day-old seedlings of tomato were transferred to pots containing Glomus mossea or non-AMF. AM colonization significantly stimulated shoot dry matter and leaf-water potential but water stress significantly decreased leaf area, shoot dry matter colonization and leaf-water potential. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leaf-water%20potential" title="leaf-water potential">leaf-water potential</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=tomato" title=" tomato"> tomato</a>, <a href="https://publications.waset.org/abstracts/search?q=VA%20mycorrhiza" title=" VA mycorrhiza"> VA mycorrhiza</a>, <a href="https://publications.waset.org/abstracts/search?q=water-stress" title=" water-stress "> water-stress </a> </p> <a href="https://publications.waset.org/abstracts/16478/interactions-between-water-stress-and-va-mycorrhizal-inoculation-on-plant-growth-and-leaf-water-potential-in-tomato" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16478.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">424</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">9415</span> A Comparative Study of Standard, Casted, and Riveted Eye Design of a Mono Leaf Spring Using CAE Tools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gian%20Bhushan">Gian Bhushan</a>, <a href="https://publications.waset.org/abstracts/search?q=Vinkel%20Arora"> Vinkel Arora</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20L.%20Aggarwal"> M. L. Aggarwal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of the present study is to determine better eye end design of a mono leaf spring used in light motor vehicle. A conventional 65Si7 spring steel leaf spring model with standard eye, casted and riveted eye end are considered. The CAD model of the leaf springs is prepared in CATIA and analyzed using ANSYS. The standard eye, casted, and riveted eye leaf springs are subjected to similar loading conditions. The CAE analysis of the leaf spring is performed for various parameters like deflection and Von-Mises stress. Mass reduction of 62.9% is achieved in case of riveted eye mono leaf spring as compared to standard eye mono leaf spring for the same loading conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CAE" title="CAE">CAE</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20spring" title=" leaf spring"> leaf spring</a>, <a href="https://publications.waset.org/abstracts/search?q=standard" title=" standard"> standard</a>, <a href="https://publications.waset.org/abstracts/search?q=casted" title=" casted"> casted</a>, <a href="https://publications.waset.org/abstracts/search?q=riveted%20eye" title=" riveted eye"> riveted eye</a> </p> <a href="https://publications.waset.org/abstracts/15462/a-comparative-study-of-standard-casted-and-riveted-eye-design-of-a-mono-leaf-spring-using-cae-tools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15462.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">371</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">9414</span> Effect of Plant Density and Planting Pattern on Yield and Quality of Single Cross 704 Silage Corn (Zea mays L.) in Isfahan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohammad%20Ali%20Zahedi">Seyed Mohammad Ali Zahedi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This field experiment was conducted in Isfahan in 2011 in order to study the effect of plant density and planting pattern on growth, yield and quality of silage corn (SC 704) using a randomized complete block design with split plot layout and four replications. The main plot consisted of three planting patterns (60 and 75 cm single planting row and 75 cm double planting row referred to as 60S, 75S and 75T, respectively). The subplots consisted of four levels of plant densities (65000, 80000, 95000 and 110000 plants per hectare). Each subplot consisted of 7 rows, each with 10m length. Vegetative and reproductive characteristics of plants at silking and hard dough stages (when the plants were harvested for silage) were evaluated. Results of variance analysis showed that the effects of planting pattern and plant density were significant on leaf area per plant, leaf area index (at silking), plant height, stem diameter, dry weights of leaf, stem and ear in silking and harvest stages and on fresh and dry yield, dry matter percentage and crude protein percentage at harvest. There was no planting pattern × plant density interaction for these parameters. As row space increased from 60 cm with single planting to 75 cm with single planting, leaf area index and plant height increased, but leaf area per plant, stem diameter, dry weight of leaf, stem and ear, dry matter percentage, dry matter yield and crude protein percentage decreased. Dry matter yield reduced from 24.9 to 18.5 t/ha and crude protein percentage decreased from 6.11 to 5.60 percent. When the plant density increased from 65000 to 110000 plant per hectare, leaf area index, plant height, dry weight of leaf, stem and ear and dry matter yield increased from 19.2 to 23.3 t/ha, whereas leaf area per plant, stem diameter, dry matter percentage and crude protein percentage decreased from 6.30 to 5.25. The best results were obtained with 60 cm row distance with single planting and 110000 plants per hectare. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=silage%20corn" title="silage corn">silage corn</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20density" title=" plant density"> plant density</a>, <a href="https://publications.waset.org/abstracts/search?q=planting%20pattern" title=" planting pattern"> planting pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a> </p> <a href="https://publications.waset.org/abstracts/2465/effect-of-plant-density-and-planting-pattern-on-yield-and-quality-of-single-cross-704-silage-corn-zea-mays-l-in-isfahan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2465.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">338</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">9413</span> Fracture and Dynamic Behavior of Leaf Spring Suspension</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Lecheb">S. Lecheb</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Chellil"> A. Chellil</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Mechakra"> H. Mechakra</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Attou"> S. Attou</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Kebir"> H. Kebir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although leaf springs are one of the oldest suspension components they are still frequently used, especially in commercial vehicles. Being able to capture the leaf spring characteristics is of significant importance for vehicle handling dynamics studies. The main function of leaf spring is not only to support vertical load but also to isolate road induced vibrations. It is subjected to millions of load cycles leading to fatigue failure. It needs to have excellent fatigue life. The objective of this work is its use of Abaqus software to locate the most stressed areas and predict the areas in which it occurs in fatigue and crack of leaf spring and calculate the stress and frequencies of this model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leaf%20spring" title="leaf spring">leaf spring</a>, <a href="https://publications.waset.org/abstracts/search?q=crack" title=" crack"> crack</a>, <a href="https://publications.waset.org/abstracts/search?q=stress" title=" stress"> stress</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20frequencies" title=" natural frequencies"> natural frequencies</a> </p> <a href="https://publications.waset.org/abstracts/42368/fracture-and-dynamic-behavior-of-leaf-spring-suspension" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42368.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">463</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">9412</span> Studies on Efficacy of Some Acaricidal Molecules against Mites in Polyhouse Capsicum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20N.%20Guru">P. N. Guru</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20S.%20Patil"> C. S. Patil </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experiment was conducted during Kharif 2016 at Hingoni, Ahmednagar (dist.), Maharashtra (India) to evaluate the novel molecules of acaricides against mites in polyhouse capsicum. The study was planned with randomized block design (RBD) and included nine treatments replicated thrice with 30 m² each plot size. The crop (var. Bachata) was raised according to the standard package of practices except plant protection measures. The molecules viz., spiromesifen 22.9SC (95 gm a.i. ha⁻¹), fenpyroximate 5EC (15 gm a.i. ha⁻¹), hexythiazox 5.45EC (15 gm a.i. ha⁻¹), diafenthiuron 50WP (300 gm a.i. ha⁻¹), chlorfenapyr 10SC (75 gm a.i. ha⁻¹) were compared with a standard acaricide, dicofol 18.5EC (500 gm a.i. ha⁻¹) and biopesticides like Verticillium lecanii (2 g/l), Metarhizium anisopliae (2 g/l) and Neem oil 10,000ppm (2ml/l). In total three sprays were given after 30, 50 and 70 days after transplanting (DAT) at an interval of 20 days. The insecticidal solutions were prepared in water by diluting required concentration of chemical and applied using knapsack sprayer with hollow cone nozzle @ 500L of solution per hectare. The mites were counted per 4 cm² in three leaves from randomly selected five plants in each plot at 1 day before treatment (precount) and 1, 3, 5, 7, 10 and 15 days after treatment. The results revealed that fenpyroximate 5EC found best by recording significantly least mite population (2.72/4 cm² leaf area) followed by hexythiazox 5.45EC and spiromesifen 22.9SC (3.78 and 3.82 per 4 cm² leaf area, respectively) and followed by remaining treatments chlorfenapyr 10SC (4.13/4 cm² leaf area), diafenthiuron 50WP (4.32/4 cm² leaf area), and dicofol 18.5EC (4.48/4 cm² leaf area). Among the biopesticides tested Neem oil and Verticillium lecanii were found to be superior to Metarhizium anisopliae. Overall, newer molecules like fenpyroximate, hexythiazox, spiromesifen, diafenthiuron, and Chlorfenapyr can be used for the effective management of mites under polyhouse capsicum. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acaricides" title="acaricides">acaricides</a>, <a href="https://publications.waset.org/abstracts/search?q=capsicum" title=" capsicum"> capsicum</a>, <a href="https://publications.waset.org/abstracts/search?q=mites" title=" mites"> mites</a>, <a href="https://publications.waset.org/abstracts/search?q=spiromesifen" title=" spiromesifen"> spiromesifen</a> </p> <a href="https://publications.waset.org/abstracts/78211/studies-on-efficacy-of-some-acaricidal-molecules-against-mites-in-polyhouse-capsicum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78211.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">162</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">9411</span> Variation of Carbon Isotope Ratio (δ13C) and Leaf-Productivity Traits in Aquilaria Species (Thymelaeceae)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arlene%20L%C3%B3pez-Sampson">Arlene López-Sampson</a>, <a href="https://publications.waset.org/abstracts/search?q=Tony%20Page"> Tony Page</a>, <a href="https://publications.waset.org/abstracts/search?q=Betsy%20Jackes"> Betsy Jackes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aquilaria genus produces a highly valuable fragrant oleoresin known as agarwood. Agarwood forms in a few trees in the wild as a response to injure or pathogen attack. The resin is used in perfume and incense industry and medicine. Cultivation of Aquilaria species as a sustainable source of the resin is now a common strategy. Physiological traits are frequently used as a proxy of crop and tree productivity. Aquilaria species growing in Queensland, Australia were studied to investigate relationship between leaf-productivity traits with tree growth. Specifically, 28 trees, representing 12 plus trees and 16 trees from yield plots, were selected to conduct carbon isotope analysis (δ13C) and monitor six leaf attributes. Trees were grouped on four diametric classes (diameter at 150 mm above ground level) ensuring the variability in growth of the whole population was sampled. Model averaging technique based on the Akaike’s information criterion (AIC) was computed to identify whether leaf traits could assist in diameter prediction. Carbon isotope values were correlated with height classes and leaf traits to determine any relationship. In average four leaves per shoot were recorded. Approximately one new leaf per week is produced by a shoot. Rate of leaf expansion was estimated in 1.45 mm day-1. There were no statistical differences between diametric classes and leaf expansion rate and number of new leaves per week (p > 0.05). Range of δ13C values in leaves of Aquilaria species was from -25.5 ‰ to -31 ‰ with an average of -28.4 ‰ (± 1.5 ‰). Only 39% of the variability in height can be explained by δ13C in leaf. Leaf δ13C and nitrogen content values were positively correlated. This relationship implies that leaves with higher photosynthetic capacities also had lower intercellular carbon dioxide concentrations (ci/ca) and less depleted values of 13C. Most of the predictor variables have a weak correlation with diameter (D). However, analysis of the 95% confidence of best-ranked regression models indicated that the predictors that could likely explain growth in Aquilaria species are petiole length (PeLen), values of δ13C (true13C) and δ15N (true15N), leaf area (LA), specific leaf area (SLA) and number of new leaf produced per week (NL.week). The model constructed with PeLen, true13C, true15N, LA, SLA and NL.week could explain 45% (R2 0.4573) of the variability in D. The leaf traits studied gave a better understanding of the leaf attributes that could assist in the selection of high-productivity trees in Aquilaria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=13C" title="13C">13C</a>, <a href="https://publications.waset.org/abstracts/search?q=petiole%20length" title=" petiole length"> petiole length</a>, <a href="https://publications.waset.org/abstracts/search?q=specific%20leaf%20area" title=" specific leaf area"> specific leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=tree%20growth" title=" tree growth"> tree growth</a> </p> <a href="https://publications.waset.org/abstracts/35327/variation-of-carbon-isotope-ratio-d13c-and-leaf-productivity-traits-in-aquilaria-species-thymelaeceae" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35327.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">509</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">9410</span> The Green Synthesis AgNPs from Basil Leaf Extract</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wanida%20Wonsawat">Wanida Wonsawat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bioreduction of silver nanoparticles (AgNPs) from silver ions (Ag+) using water extract of Thai basil leaf was successfully carried out. The basil leaf extract provided a reducing agent and stabilizing agent for a synthesis of metal nanoparticles. Silver nanoparticles received from cut and uncut basil leaf was compared. The resulting silver nanoparticles are characterized by UV-Vis spectroscopy. The maximum intensities of silver nanoparticle from cut and uncut basil leaf were 410 and 420, respectively. The techniques involved are simple, eco-friendly and rapid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=basil%20leaves" title="basil leaves">basil leaves</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=green%20synthesis" title=" green synthesis"> green synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20extract" title=" plant extract"> plant extract</a> </p> <a href="https://publications.waset.org/abstracts/9654/the-green-synthesis-agnps-from-basil-leaf-extract" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9654.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">588</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">9409</span> Quantity, Quality and Water Productivity of Mulberry Leaf Influenced by Different Methods, Levels of Irrigation and Mulching in Eastern Dry Zone of Karnataka, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chengalappa%20Seenappa">Chengalappa Seenappa</a>, <a href="https://publications.waset.org/abstracts/search?q=Narayanappa%20Devkumar"> Narayanappa Devkumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Narayanappa%20Nagaraja"> Narayanappa Nagaraja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mulberry leaf is the major economic component in sericulture and quality of leaf produced per unit area has a direct effect on quality of cocoon. Among all the agronomical inputs, irrigation water has highest impact on mulberry leaf quantity and quality. The water productivity in sericulture in the country is inadequate and inefficient though India has the largest irrigated area. There is a need of proper irrigation methods and conservation practices to ensure efficiency and economy in water use. Hence, this field experiment was conducted at College of Sericulture, Chintamani, Chickaballapur district, Karnataka, India during 2013 and 2014 to know the quantity, quality and water productivity of mulberry influenced by different methods, levels of irrigation and mulching in Eastern Dry Zone (EDZ) of Karnataka, India. The results revealed that the mulberry leaf quantity, quality and water productivity were significantly influenced by different methods, levels of irrigation and mulching. Subsurface drip irrigation at 0.8 CPE (Cumulative Pan Evaporation) recorded higher leaf yield, chlorophyll, relative water, protein content and water productivity (42857 kg ha-1 yr-1, 8.54, 65.80%, 22.27% and 364.41 kg hacm-1, respectively) than surface drip at 1.0 CPE (38809 kg ha-1 yr-1, 7.34, 62.76%, 17.75% and 264 10 kg hacm-1, respectively) and micro spray jet at 1.0 CPE (39931 kg ha-1 yr-1, 7.96, 63.50%, 19.00%, 35617 kg ha-1 yr-1 and 271.83 kg hacm-1, respectively). Mulching treatment recorded maximum leaf yield, chlorophyll, relative water, protein content and water productivity (38035 kg ha-1 yr-1, 7.12, 62.11%, 16.14% and 330 kg hacm-1, respectively) compared to without mulching. These results clearly indicated that subsurface drip irrigation at lower level of irrigation (0.8 CPE) and mulching increased the quantity, quality and water productivity of mulberry leaf than surface drip and micro spray jet irrigation at higher level of irrigation (1.0 CPE) by saving 20 per cent of water. Therefore, in the coming days subsurface drip irrigation in mulberry cultivation may be more appropriate to realise higher yield, quality and water productivity in EDZ of Karnataka, India. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=subsurface%20drip%20irrigation" title="subsurface drip irrigation">subsurface drip irrigation</a>, <a href="https://publications.waset.org/abstracts/search?q=mulching" title=" mulching"> mulching</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20productivity" title=" water productivity"> water productivity</a>, <a href="https://publications.waset.org/abstracts/search?q=mulberry" title=" mulberry"> mulberry</a> </p> <a href="https://publications.waset.org/abstracts/56518/quantity-quality-and-water-productivity-of-mulberry-leaf-influenced-by-different-methods-levels-of-irrigation-and-mulching-in-eastern-dry-zone-of-karnataka-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56518.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">9408</span> Effect of Lime and Leaf Ash on Engineering Properties of Red Mud</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pawandeep%20Kaur">Pawandeep Kaur</a>, <a href="https://publications.waset.org/abstracts/search?q=Prashant%20Garg"> Prashant Garg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Red mud is a byproduct of aluminum extraction from Bauxite industry. It is dumped in a pond which not only uses thousands of acres of land but having very high pH, it pollutes the ground water and the soil also. Leaves are yet another big waste especially during autumn when they contribute immensely to the blockage of drains and can easily catch fire, among other risks hence also needs to be utilized effectively. The use of leaf ash and red mud in highway construction as a filling material may be an efficient way to dispose of leaf ash and red mud. In this study, leaf ash and lime were used as admixtures to improve the geotechnical engineering properties of red mud. The red mud was taken from National Aluminum Company Limited, Odisha, and leaf ash was locally collected. The aim of present study is to investigate the effect of lime and leaf ash on compaction characteristics and strength characteristics of red mud. California Bearing Ratio and Unconfined Compression Strength tests were performed on red mud by varying different percentages of lime and leaf ash. Leaf ash was added in proportion 2%,4%,6%,8% and 10% whereas lime was added in proportions of 5% to 15%. Optimized value of lime was decided with respect to maximum CBR (California Bearing Ratio) of red mud mixed with different proportions of lime. An increase of 300% in California Bearing ratio of red mud and an increase of 125% in Unconfined Compression Strength values were observed. It may, therefore, be concluded that red mud may be effectively utilized in the highway industry as a filler material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stabilization" title="stabilization">stabilization</a>, <a href="https://publications.waset.org/abstracts/search?q=lime" title=" lime"> lime</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20mud" title=" red mud"> red mud</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20ash" title=" leaf ash"> leaf ash</a> </p> <a href="https://publications.waset.org/abstracts/87827/effect-of-lime-and-leaf-ash-on-engineering-properties-of-red-mud" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87827.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">242</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">9407</span> Correlations among Their Characteristics and Determination of Some Morphological Characteristics of Perennial Ryegrass Genotypes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20%C3%96zk%C3%B6se">Abdullah Özköse</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmet%20Tamko%C3%A7"> Ahmet Tamkoç</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to determine some plant characteristics of perennial ryegrass (Lolium perenne L.) genotypes collected from the natural flora of Ankara and correlations between these characteristics. In order to evaluate for breeding purposes according to Turkey's environmental conditions, perennial ryegrass plants collected from natural pasture of Ankara at 2004 were utilized. The collected seeds of plants were sown in pots and seedlings were prepared in greenhouse. Seedlings were transplanted to the experimental field at 50x50 cm intervals in Randomized Complete Blocks Design in 2005. Data were obtained from the observations and measurements of 568 perennial ryegrasses in 2007 and 2008. Perennial ryegrass plants’ in the spring re-growth time, color, density, growth habit, tendency to inflorescences, time of inflorescence, plant height, length of upper internode, spike length, leaf length, leaf width, leaf area, leaf shape, number of spikelets per spike, seed yield per spike, and 1000 grain weight were investigated and correlation analyses were made on the data. Correlation coefficients were estimated between all paired combinations of the traits. The yield components exhibited varying trends of association among themselves. Seed yield per spike showed significant and positive association with number of spikelets per spike, 1000 grain weight, plant height, length of upper internode, spike length, leaf length, leaf width, leaf area and color, but significant and negative association with growth habit and in the spring re-growth time spring. <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=morphological%20traits" title=" morphological traits"> morphological traits</a>, <a href="https://publications.waset.org/abstracts/search?q=Lolium%20perenne" title=" Lolium perenne"> Lolium perenne</a> </p> <a href="https://publications.waset.org/abstracts/18721/correlations-among-their-characteristics-and-determination-of-some-morphological-characteristics-of-perennial-ryegrass-genotypes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18721.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">455</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">9406</span> Influence of Fiber Loading and Surface Treatments on Mechanical Properties of Pineapple Leaf Fiber Reinforced Polymer Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jain%20Jyoti">Jain Jyoti</a>, <a href="https://publications.waset.org/abstracts/search?q=Jain%20Shorab"> Jain Shorab</a>, <a href="https://publications.waset.org/abstracts/search?q=Sinha%20Shishir"> Sinha Shishir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the current scenario, development of new biodegradable composites with the reinforcement of some plant derived natural fibers are in major research concern. Abundant quantity of these natural plant derived fibers including sisal, ramp, jute, wheat straw, pine, pineapple, bagasse, etc. can be used exclusively or in combination with other natural or synthetic fibers to augment their specific properties like chemical, mechanical or thermal properties. Among all natural fibers, wheat straw, bagasse, kenaf, pineapple leaf, banana, coir, ramie, flax, etc. pineapple leaf fibers have very good mechanical properties. Being hydrophilic in nature, pineapple leaf fibers have very less affinity towards all types of polymer matrixes. Not much work has been carried out in this area. Surface treatments like alkaline treatment in different concentrations were conducted to improve its compatibility towards hydrophobic polymer matrix. Pineapple leaf fiber epoxy composites have been prepared using hand layup method. Effect of variation in fiber loading up to 20% in epoxy composites has been studied for mechanical properties like tensile strength and flexural strength. Analysis of fiber morphology has also been studied using FTIR, XRD. SEM micrographs have also been studied for fracture surface. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite" title="composite">composite</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical" title=" mechanical"> mechanical</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20fiber" title=" natural fiber"> natural fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=pineapple%20leaf%20fiber" title=" pineapple leaf fiber"> pineapple leaf fiber</a> </p> <a href="https://publications.waset.org/abstracts/75998/influence-of-fiber-loading-and-surface-treatments-on-mechanical-properties-of-pineapple-leaf-fiber-reinforced-polymer-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75998.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">9405</span> Effect of Pre-treatment with Salicylic Acid on Vegetative Growth and Yield Components of Wheat under Salinity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saad%20M.%20Howladar">Saad M. Howladar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mike%20Dennett"> Mike Dennett</a> </p> <p class="card-text"><strong>Abstract:</strong></p> At first harvest, results showed that salinity (tap water, 100 and 200 mM NaCl) induced a significant decrease in all growth parameters in both Yecora Rojo and Paragon cultivars. The greatest effect of salinity was a decrease in leaf area. The same tendency was observed with specific leaf area, and total fresh and dry weights and their components. Green leaf and tiller numbers were reduced by the same extent in both cultivars. The corresponding final harvest, all growth parameters also reduced with increased salinity. Yield and yield components were also reduced by salinity with similar effects in both cultivars. Chlorophyll fluorescence, expressed as Fv/Fm, and gas exchange parameters were decreased significantly with increase in salinity in both cultivars. In contrast, seed protein content was increased significantly with increase in salinity. Salicylic acid (SA) application induced no significant improvements in growth parameters and yield components. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=salinity" title="salinity">salinity</a>, <a href="https://publications.waset.org/abstracts/search?q=salicylic%20acid" title=" salicylic acid"> salicylic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll%20fluorescence" title=" chlorophyll fluorescence"> chlorophyll fluorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20exchange" title=" gas exchange"> gas exchange</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a> </p> <a href="https://publications.waset.org/abstracts/7202/effect-of-pre-treatment-with-salicylic-acid-on-vegetative-growth-and-yield-components-of-wheat-under-salinity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7202.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">9404</span> Interaction of Water Stress and VA Mycorrhizal Inoculation on Green Bean under Different P Levels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahram%20Baghban%20Cirus">Shahram Baghban Cirus</a>, <a href="https://publications.waset.org/abstracts/search?q=Parisa%20Alizadeh%20Oskuie"> Parisa Alizadeh Oskuie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a greenhouse experiment, green bean were inoculated with three levels of phosphorus (P1, P2, P3, respectively 0, 50, 100 kgP/h) and four levels of water stress(Fc1, Fc2, Fc3 ,Fc4, respectively 0.8Fc, 0.7Fc, 0.6Fc, 0.5Fc) and one species of VA mycorrhiza (Glomus versiform) or left uninocolated as control plants in the steril soil. AM colonization significantly stimulated plant growth, leaf area, shoot, and pod dry weight but water stress significantly decreased colonization, pod and shoot dry weight, and shoot P. The use P levels significantly increased leaf area, shoot, and pod dry weight, pods length, and colonization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20bean" title="green bean">green bean</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=VA%20mycorrhiza" title=" VA mycorrhiza"> VA mycorrhiza</a>, <a href="https://publications.waset.org/abstracts/search?q=water-stress" title=" water-stress"> water-stress</a> </p> <a href="https://publications.waset.org/abstracts/17731/interaction-of-water-stress-and-va-mycorrhizal-inoculation-on-green-bean-under-different-p-levels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17731.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">354</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">9403</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">19</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">9402</span> Effect of Pre-Treatment with Salicylic Acid on Vegetative Growth and Yield Components of Saudi’s Wheat under Salinity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saad%20Howladar">Saad Howladar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mike%20Dennett"> Mike Dennett </a> </p> <p class="card-text"><strong>Abstract:</strong></p> At first harvest, results showed that salinity (tap water, 100 and 200 mM NaCl) induced a significant decrease in all growth parameters in both Yecora Rojo and Paragon cultivars. The greatest effect of salinity was a decrease in leaf area. The same tendency was observed with specific leaf area, and total fresh and dry weights and their components. Green leaf and tiller numbers were reduced by the same extent in both cultivars. The corresponding final harvest, all growth parameters also reduced with increased salinity. Yield and yield components were also reduced by salinity with similar effects in both cultivars. Chlorophyll fluorescence, expressed as Fv/Fm, and gas exchange parameters were decreased significantly with increase in salinity in both cultivars. In contrast, seed protein content was increased significantly with increase in salinity. Salicylic acid (SA) application induced no significant improvements in growth parameters and yield components. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=salinity" title="salinity">salinity</a>, <a href="https://publications.waset.org/abstracts/search?q=salicylic%20acid" title=" salicylic acid"> salicylic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll%20fluorescence" title=" chlorophyll fluorescence"> chlorophyll fluorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20exchange" title=" gas exchange"> gas exchange</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a> </p> <a href="https://publications.waset.org/abstracts/10390/effect-of-pre-treatment-with-salicylic-acid-on-vegetative-growth-and-yield-components-of-saudis-wheat-under-salinity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10390.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">423</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">9401</span> Evaluation of Non-Destructive Application to Detect Pesticide Residue on Leaf Mustard Using Spectroscopic Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nazmi%20Mat%20Nawi">Nazmi Mat Nawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhamad%20Najib%20Mohamad%20Nor"> Muhamad Najib Mohamad Nor</a>, <a href="https://publications.waset.org/abstracts/search?q=Che%20Dini%20Maryani%20Ishkandar"> Che Dini Maryani Ishkandar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was conducted to evaluate the capability of spectroscopic methods to detect the presence of pesticide residues on leaf mustard. A total of 105 leaf mustard used were divided into five batches, four batches were treated with four different types of pesticides whereas one batch with no pesticide applied. Spectral data were obtained using visible shortwave near infrared spectrometer (VSWNIRS) which is Ocean Optics HR4000 High-resolution Miniature Fiber Optic Spectrometer. Reflectance value was collected to determine the difference between one pesticide to the other. The obtained spectral data were pre-processed for optimum performance. The effective wavelength of approximate 880 nm, 675-710 nm also 550 and 700 nm indicates the overtones -CH stretching vibration, tannin, also chlorophyll content present in the leaf mustard respectively. This study has successfully demonstrated that the spectroscopic method was able to differentiate between leaf mustard sample with and without pesticide residue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=detect" title="detect">detect</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20mustard" title=" leaf mustard"> leaf mustard</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive" title=" non-destructive"> non-destructive</a>, <a href="https://publications.waset.org/abstracts/search?q=pesticide%20residue" title=" pesticide residue"> pesticide residue</a> </p> <a href="https://publications.waset.org/abstracts/68852/evaluation-of-non-destructive-application-to-detect-pesticide-residue-on-leaf-mustard-using-spectroscopic-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68852.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">257</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">9400</span> Effects of Deficit Watering and Potassium Fertigation on Growth and Yield Response of Cassava</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20O.%20Wasonga">Daniel O. Wasonga</a>, <a href="https://publications.waset.org/abstracts/search?q=Jouko%20Kleemola"> Jouko Kleemola</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Alakukku"> Laura Alakukku</a>, <a href="https://publications.waset.org/abstracts/search?q=Pirjo%20Makela"> Pirjo Makela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cassava (Manihot esculenta Crantz) is a major food crop for millions of people in the tropics. Growth and yield of cassava in the arid-tropics are seriously constrained by intermittent water deficit and low soil K content. Therefore, experiments were conducted to investigate the effects of interaction between water deficit and K fertigation on growth and yield response of biofortified cassava at early growth phase. Yellow cassava cultivar was grown under controlled glasshouse conditions in 5-L pots containing 1.7 kg of pre-fertilized potting mix. Plants were watered daily for 30 days after planting. Treatments were three watering levels (30%, severe water deficit; 60%, mild water deficit; 100%, well-watered), on which K (0.01, 1, 4, 16 and 32 mM) was split. Plants were harvested at 90 days after planting. Leaf area was smallest in plants grown with 30% watering and 0.01 mM K, and largest in plants grown with 100% watering and 32 mM K. Leaf, root, and total dry mass decreased in water-stressed plants. However, dry mass was markedly higher when plants were grown with 16 mM K under all watering levels in comparison to other K concentrations. The highest leaf, root and total dry mass were in plants with 100% watering and 16 mM K. In conclusion, K improved the growth of plants under water deficit and thus, K application on soils with low moisture and low K may improve the productivity of cassava. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dry%20mass" title="dry mass">dry mass</a>, <a href="https://publications.waset.org/abstracts/search?q=interaction" title=" interaction"> interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area" title=" leaf area"> leaf area</a>, <a href="https://publications.waset.org/abstracts/search?q=Manihot%20esculenta" title=" Manihot esculenta"> Manihot esculenta</a> </p> <a href="https://publications.waset.org/abstracts/109372/effects-of-deficit-watering-and-potassium-fertigation-on-growth-and-yield-response-of-cassava" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109372.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">117</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">9399</span> Oil Palm Leaf and Corn Stalk, Mechanical Properties and Surface Characterization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zawawi%20Daud">Zawawi Daud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Agro waste can be defined as waste from agricultural plant. Oil palm leaf and corn stalk can be categorized as ago waste material. At first, the comparison between oil palm leaf and corn stalk by mechanical properties from soda pulping process. After that, focusing on surface characterization by Scanning Electron Microscopy (SEM). Both material have a potential due to mechanical properties (tensile, tear, burst and fold) and surface characterization but corn stalk shows more in strength and compactness due to fiber characterization compared to oil palm leaf. This study promoting the green technology in develop a friendly product and suitable to be used as an alternative pulp in paper making industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fiber" title="fiber">fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20palm%20leaf" title=" oil palm leaf"> oil palm leaf</a>, <a href="https://publications.waset.org/abstracts/search?q=corn%20stalk" title=" corn stalk"> corn stalk</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20technology" title=" green technology"> green technology</a> </p> <a href="https://publications.waset.org/abstracts/21503/oil-palm-leaf-and-corn-stalk-mechanical-properties-and-surface-characterization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21503.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">490</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">9398</span> Papaya Leaf in Broiler Chicken Feed Reducing Lipid Peroxidation of Meat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Ebrahimi">M. Ebrahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Maroufyan"> E. Maroufyan</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Shakeri"> M. Shakeri</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Oskoueian"> E. Oskoueian</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20F%20Soleimani"> A. F Soleimani</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20M.%20Goh"> Y. M. Goh </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lipid peroxidation is a main reason of low quality in meat and meat products. The free radical chain reaction is the major process of lipid peroxidation and reactive oxygen species (ROS) such as hydroxyl radical and hydroperoxyl radical are the main starter of the chain reaction. Papaya leaf contains several secondary metabolites which can be used as a potential antioxidant in broiler feed. Hence, this research was carried out to evaluate the potential of papaya leaf to prevent lipid peroxidation and enhance the antioxidant activity of breast meat of broiler chicken. The results showed that supplementation of papaya leaf at 5%, significantly (p < 0.05) reduced the lipid peroxidation compared to control group. The supplementation of papaya leaf prevented from lipid peroxidation and enhanced the antioxidant activity of the broiler breast meat significantly (p < 0.05) after different storage periods. Papaya leaf reduced the lipid oxidation of meat during storage with strong free radical-scavenging ability. In conclusion, supplementation of papaya leaf in broiler diet to have high quality meat is recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title="antioxidant activity">antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=papaya%20leaf" title=" papaya leaf"> papaya leaf</a>, <a href="https://publications.waset.org/abstracts/search?q=breast%20meat" title=" breast meat"> breast meat</a>, <a href="https://publications.waset.org/abstracts/search?q=lipid%20peroxidation" title=" lipid peroxidation"> lipid peroxidation</a> </p> <a href="https://publications.waset.org/abstracts/17709/papaya-leaf-in-broiler-chicken-feed-reducing-lipid-peroxidation-of-meat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17709.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">605</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">9397</span> Evaluation of Hypolipidemic Effect of Leaf Essential Oil of Citrus sinensis in Alloxan- Induced Diabetic Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Omolola%20Soji-Omoniwa">Omolola Soji-Omoniwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Babasoji%20Omoniwa"> Babasoji Omoniwa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The hypolipidemic effect of leaf essential oil of Citrus sinensis in alloxan–induced diabetic rats was evaluated. Forty albino rats (150–200 g) were randomly selected into 4 groups of 10 rats each, representing Normal Control, Diabetic Control, Diabetic treated with 14.2 mg/kg body weight Metformin and Diabetic treated with 110 mg/kg body weight leaf essential oil of Citrus sinensis. Diabetes was induced in the animals by intraperitoneal administration of single dose alloxan monohydrate (150 mg/kg body weight). The leaf essential oil of Citrus sinensis was administered every other day to the Diabetic rats for a period of 15 days. The effects of leaf essential oil on High Density Lipoprotein (HDL), Low Density Lipoprotein (LDL), Trigylcerides and Cholesterol were evaluated. A significant reduction (p <0.05) in LDL, Triglycerides and cholesterol levels and a significant increase (p<0 .05) in HDL was observed. Leaf essential oil of Citrus sinensis possesses hypolipidemic properties. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Citrus%20sinensis" title="Citrus sinensis">Citrus sinensis</a>, <a href="https://publications.waset.org/abstracts/search?q=Diabetes%20mellitus" title=" Diabetes mellitus"> Diabetes mellitus</a>, <a href="https://publications.waset.org/abstracts/search?q=hypolipidemic" title=" hypolipidemic"> hypolipidemic</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20essential%20oil" title=" leaf essential oil"> leaf essential oil</a> </p> <a href="https://publications.waset.org/abstracts/19026/evaluation-of-hypolipidemic-effect-of-leaf-essential-oil-of-citrus-sinensis-in-alloxan-induced-diabetic-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19026.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">447</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">9396</span> Antioxidant Activity and Chemical Constituents of Leaf Essential Oils of Pseuduvaria Monticola and Pseuduvaria Macrophylla (Annonaceae)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hairin%20Taha">Hairin Taha</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Narrima"> P. Narrima</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Hapipah"> M. A. Hapipah</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Mustafa"> A. M. Mustafa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The chemical constituents and antioxidant activity of the leaf essential oils of Pseuduvaria monticola and Pseuduvaria macrophylla from the Annonaceae family were investigated. GC-TOFMS analyses identified 46 compounds from Pseuduvaria monticola and 11 compounds from Pseuduvaria macrophylla. The major constituents in the leaf essential oil of Pseuduvaria monticola were a-cadinol (13.0%), calamenene-cis (6.9%), alfa copaene (4%), and epizonarene (3.8%), while in the leaf essential oil of Pseuduvaria macrophylla were caryophyllene oxide (29.7%) and elimicin (28%). The antioxidant activity of both the essential oils were determined using the 2,2'-diphenyl-1-picrylhydrazyl assay (DPPH). The present study suggests that both essential oils demonstrated good antioxidant activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseuduvaria%20monticola" title="Pseuduvaria monticola">Pseuduvaria monticola</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseuduvaria%20macrophylla" title=" Pseuduvaria macrophylla"> Pseuduvaria macrophylla</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20essential%20oils" title=" leaf essential oils"> leaf essential oils</a>, <a href="https://publications.waset.org/abstracts/search?q=GC-MSTOF" title=" GC-MSTOF"> GC-MSTOF</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a> </p> <a href="https://publications.waset.org/abstracts/20076/antioxidant-activity-and-chemical-constituents-of-leaf-essential-oils-of-pseuduvaria-monticola-and-pseuduvaria-macrophylla-annonaceae" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20076.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">381</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">9395</span> Contrasting Patterns of Accumulation, Partitioning, and Reallocation Patterns of Dm and N Within the Maize Canopy Under Decreased N Availabilities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Panpan%20Fan">Panpan Fan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%20Ming"> Bo Ming</a>, <a href="https://publications.waset.org/abstracts/search?q=Niels%20P.%20R.%20Anten"> Niels P. R. Anten</a>, <a href="https://publications.waset.org/abstracts/search?q=Jochem%20B.%20Evers"> Jochem B. Evers</a>, <a href="https://publications.waset.org/abstracts/search?q=Yaoyao%20Li"> Yaoyao Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Shaokun%20Li"> Shaokun Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Ruizhi%20Xie"> Ruizhi Xie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The reallocation of dry matter (DM) and nitrogen (N) from vegetative tissues to the grain sinks are critical for grain yield. The objective of this study was to quantify the DM and N accumulation, partition, and reallocation at the single-leaf, different-organ, and individual-plant scales and clarify the responses to different levels of N availabilities. A two-year field experiment was conducted in Jinlin province, Northeast China, with three N fertilizer rates to create the different N availability levels: N0 (N deficiency), N1(low supply), and N2 (high supply). The results showed that grain N depends more on reallocations of vegetative organs compared with grain DM. Besides, vegetative organs reallocated more DM and N to grain under lower N availability, whereas more grain DM and grain N were derived from post-silking leaf photosynthesis and post-silking N uptake from the soil under high N availability. Furthermore, the reallocation amount and reallocation efficiency of leaf DM and leaf N content differed among leaf ranks and were regulated by N availability; specifically, the DM reallocation occurs mainly on senesced leaves, whereas the leaf N reallocation was in live leaves. These results provide a theoretical basis for deriving parameters in crop models for the simulation of the demand, uptake, partition, and reallocation processes of DM and N. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dry%20matter" title="dry matter">dry matter</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20N%20content" title=" leaf N content"> leaf N content</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20rank" title=" leaf rank"> leaf rank</a>, <a href="https://publications.waset.org/abstracts/search?q=N%20availability" title=" N availability"> N availability</a>, <a href="https://publications.waset.org/abstracts/search?q=reallocation%20efficiency" title=" reallocation efficiency"> reallocation efficiency</a> </p> <a href="https://publications.waset.org/abstracts/156413/contrasting-patterns-of-accumulation-partitioning-and-reallocation-patterns-of-dm-and-n-within-the-maize-canopy-under-decreased-n-availabilities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156413.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">127</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">9394</span> Effect of Cocoa Pod Ash and Poultry Manure on Soil Properties and Cocoyam Productivity of Nutrient-Depleted Tropical Alfisol</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=T.%20M.%20Agbede">T. M. Agbede</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20O.%20Adekiya"> A. O. Adekiya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experiment was carried out for three consecutive years at Owo, southwest Nigeria. The objective of the investigation was to determine the effect of Cocoa Pod Ash (CPA) and Poultry Manure (PM) applied solely and their combined form, as sources of fertilizers on soil properties, leaf nutrient composition, growth and yield of cocoyam. Three soil amendments: CPA, PM (sole forms), CPA and PM (mixture), were applied at 7.5 t ha-1 with an inorganic fertilizer (NPK 15-15-15) at 400 kg ha-1 as a reference and a natural soil fertility, NSF (control), arranged in a randomized complete block design with three replications. Results showed that soil amendments significantly increased (p = 0.05) corm and cormel weights and growth of cocoyam, soil and leaf N, P, K, Ca and Mg, soil pH and organic carbon (OC) concentrations compared with the NSF (control). The mixture of CPA+PM treatment increased corm and cormel weights, plant height and leaf area of cocoyam by 40, 39, 42, and 48%, respectively, compared with inorganic fertilizer (NPK) and 13, 12, 15 and 7%, respectively, compared with PM alone. Sole or mixed forms of soil amendments showed remarkable improvement in soil physical properties compared with NPK and the NSF (control). The mixture of CPA+PM applied at 7.5 t ha-1 was the most effective treatment in improving cocoyam yield and growth parameters, soil and leaf nutrient composition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cocoa%20pod%20ash" title="Cocoa pod ash">Cocoa pod ash</a>, <a href="https://publications.waset.org/abstracts/search?q=cocoyam" title=" cocoyam"> cocoyam</a>, <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=soil%20and%20leaf%20nutrient%20composition." title=" soil and leaf nutrient composition."> soil and leaf nutrient composition.</a> </p> <a href="https://publications.waset.org/abstracts/45312/effect-of-cocoa-pod-ash-and-poultry-manure-on-soil-properties-and-cocoyam-productivity-of-nutrient-depleted-tropical-alfisol" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45312.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">374</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">9393</span> The Synergistic Effects of Using Silicon and Selenium on Fruiting of Zaghloul Date Palm (Phoenix dectylifera L.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20R.%20Gad%20El-%20Kareem">M. R. Gad El- Kareem</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20K.%20Abdel%20Aal"> A. M. K. Abdel Aal</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Y.%20Mohamed"> A. Y. Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During 2011 and 2012 seasons, Zaghloul date palms received four sprays of silicon (Si) at 0.05 to 0.1% and selenium (Se) at 0.01 to 0.02%. Growths, nutritional status, yield as well as physical and chemical characteristics of the fruits in response to application of silicon and selenium were investigated. Single and combined applications of silicon at 0.05 to 0.1% and selenium at 0.01 to 0.02% was very effective in enhancing the leaf area, total chlorophylls, percentages of N, P, and K in the leaves, yield, bunch weight as well as physical and chemical characteristics of the fruits in relative to the check treatment. Silicon was superior to selenium in this respect. Combined application was favourable than using each alone in this connection. Treating Zaghloul date palms four times with a mixture of silicon at 0.05% + selenium at 0.01% resulted in an economical yield and producing better fruit quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=date%20palms" title="date palms">date palms</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaghloul" title=" Zaghloul"> Zaghloul</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon" title=" silicon"> silicon</a>, <a href="https://publications.waset.org/abstracts/search?q=selenium" title=" selenium"> selenium</a>, <a href="https://publications.waset.org/abstracts/search?q=leaf%20area" title=" leaf area"> leaf area</a> </p> <a href="https://publications.waset.org/abstracts/6513/the-synergistic-effects-of-using-silicon-and-selenium-on-fruiting-of-zaghloul-date-palm-phoenix-dectylifera-l" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6513.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">391</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=leaf%20area&amp;page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=leaf%20area&amp;page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=leaf%20area&amp;page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=leaf%20area&amp;page=5">5</a></li> <li class="page-item"><a class="page-link" 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