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{"work":{"id":127496012,"created_at":"2025-02-06T05:02:48.908-08:00","from_world_paper_id":263132532,"updated_at":"2025-02-17T01:55:07.465-08:00","_data":{"publisher":"Wiley","grobid_abstract":"BACKGROUND: It has been demonstrated previously that cis-jasmone acts as an elicitor of plant defence mechanism(s) by inducing secondary metabolism. It has also been demonstrated that temporal synergism can result in hypersensitive insect pests due to the inhibition of metabolic enzymes. RESULTS: Laboratory bioassays demonstrated that pre-exposure of insects by piperonyl butoxide followed by cis-jasmone treatment of crops, reduced Aphis gossypii on cotton by 80% and Myzus persicae on sweet pepper by 90%. By microencapsulating the cis-jasmone and combining with piperonyl butoxide, Bemisia tabaci on tomatoes was reduced by 99%. A field trial with microencapsulated cis-jasmone combined with piperonyl butoxide resulted in a comparable reduction of whitefly egg numbers to that given by the registered rate of imidacloprid, with efficacy of 89% and 93%, respectively. CONCLUSIONS: If insect defence enzymes are compromised by piperonyl butoxide whilst plant defence is primed by cis-jasmone, there are possibilities of an insecticide-free method of controlling insect pests. The success seems largely dependent upon the toxicity of the plants' secondary chemistry.","publication_date":"2013,,","publication_name":"Pest Management Science","grobid_abstract_attachment_id":"121220529"},"document_type":"paper","pre_hit_view_count_baseline":null,"quality":"high","language":"en","title":"Synergistic manipulations of plant and insect defences","broadcastable":true,"draft":null,"has_indexable_attachment":true,"indexable":true}}["work"]; window.loswp.workCoauthors = [322728164]; window.loswp.locale = "en"; window.loswp.countryCode = "SG"; window.loswp.cwvAbTestBucket = ""; window.loswp.designVariant = "ds_vanilla"; window.loswp.fullPageMobileSutdModalVariant = "full_page_mobile_sutd_modal"; window.loswp.useOptimizedScribd4genScript = false; window.loginModal = {}; window.loginModal.appleClientId = 'edu.academia.applesignon'; window.userInChina = "false";</script><script defer="" src="https://accounts.google.com/gsi/client"></script><div class="ds-loswp-container"><div class="ds-work-card--grid-container"><div class="ds-work-card--container js-loswp-work-card"><div class="ds-work-card--cover"><div class="ds-work-cover--wrapper"><div class="ds-work-cover--container"><button class="ds-work-cover--clickable js-swp-download-button" data-signup-modal="{"location":"swp-splash-paper-cover","attachmentId":121220529,"attachmentType":"pdf"}"><img alt="First page of “Synergistic manipulations of plant and insect defences”" class="ds-work-cover--cover-thumbnail" src="https://0.academia-photos.com/attachment_thumbnails/121220529/mini_magick20250206-1-ayt76u.png?1738847052" /><img alt="PDF Icon" class="ds-work-cover--file-icon" src="//a.academia-assets.com/images/single_work_splash/adobe_icon.svg" /><div class="ds-work-cover--hover-container"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span><p>Download Free PDF</p></div><div class="ds-work-cover--ribbon-container">Download Free PDF</div><div class="ds-work-cover--ribbon-triangle"></div></button></div></div></div><div class="ds-work-card--work-information"><h1 class="ds-work-card--work-title">Synergistic manipulations of plant and insect defences</h1><div class="ds-work-card--work-authors ds-work-card--detail"><a class="ds-work-card--author js-wsj-grid-card-author ds2-5-body-md ds2-5-body-link" data-author-id="322728164" href="https://independent.academia.edu/georginabingham2"><img alt="Profile image of georgina bingham" class="ds-work-card--author-avatar" src="//a.academia-assets.com/images/s65_no_pic.png" />georgina bingham</a></div><div class="ds-work-card--detail"><p class="ds-work-card--detail ds2-5-body-sm">2013, Pest Management Science</p><div class="ds-work-card--work-metadata"><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">visibility</span><p class="ds2-5-body-sm" id="work-metadata-view-count">…</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">description</span><p class="ds2-5-body-sm">6 pages</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">link</span><p class="ds2-5-body-sm">1 file</p></div></div><script>(async () => { const workId = 127496012; const worksViewsPath = "/v0/works/views?subdomain_param=api&work_ids%5B%5D=127496012"; const getWorkViews = async (workId) => { const response = await fetch(worksViewsPath); if (!response.ok) { throw new Error('Failed to load work views'); } const data = await response.json(); return data.views[workId]; }; // Get the view count for the work - we send this immediately rather than waiting for // the DOM to load, so it can be available as soon as possible (but without holding up // the backend or other resource requests, because it's a bit expensive and not critical). const viewCount = await getWorkViews(workId); const updateViewCount = (viewCount) => { try { const viewCountNumber = parseInt(viewCount, 10); if (viewCountNumber === 0) { // Remove the whole views element if there are zero views. document.getElementById('work-metadata-view-count')?.parentNode?.remove(); return; } const commaizedViewCount = viewCountNumber.toLocaleString(); const viewCountBody = document.getElementById('work-metadata-view-count'); if (!viewCountBody) { throw new Error('Failed to find work views element'); } viewCountBody.textContent = `${commaizedViewCount} views`; } catch (error) { // Remove the whole views element if there was some issue parsing. document.getElementById('work-metadata-view-count')?.parentNode?.remove(); throw new Error(`Failed to parse view count: ${viewCount}`, error); } }; // If the DOM is still loading, wait for it to be ready before updating the view count. if (document.readyState === "loading") { document.addEventListener('DOMContentLoaded', () => { updateViewCount(viewCount); }); // Otherwise, just update it immediately. } else { updateViewCount(viewCount); } })();</script></div><p class="ds-work-card--work-abstract ds-work-card--detail ds2-5-body-md">BACKGROUND: It has been demonstrated previously that cis-jasmone acts as an elicitor of plant defence mechanism(s) by inducing secondary metabolism. It has also been demonstrated that temporal synergism can result in hypersensitive insect pests due to the inhibition of metabolic enzymes. RESULTS: Laboratory bioassays demonstrated that pre-exposure of insects by piperonyl butoxide followed by cis-jasmone treatment of crops, reduced Aphis gossypii on cotton by 80% and Myzus persicae on sweet pepper by 90%. By microencapsulating the cis-jasmone and combining with piperonyl butoxide, Bemisia tabaci on tomatoes was reduced by 99%. A field trial with microencapsulated cis-jasmone combined with piperonyl butoxide resulted in a comparable reduction of whitefly egg numbers to that given by the registered rate of imidacloprid, with efficacy of 89% and 93%, respectively. CONCLUSIONS: If insect defence enzymes are compromised by piperonyl butoxide whilst plant defence is primed by cis-jasmone, there are possibilities of an insecticide-free method of controlling insect pests. The success seems largely dependent upon the toxicity of the plants' secondary chemistry.</p><div class="ds-work-card--button-container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--work-card","attachmentId":121220529,"attachmentType":"pdf","workUrl":"https://www.academia.edu/127496012/Synergistic_manipulations_of_plant_and_insect_defences"}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--work-card","attachmentId":121220529,"attachmentType":"pdf","workUrl":"https://www.academia.edu/127496012/Synergistic_manipulations_of_plant_and_insect_defences"}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div><div class="ds-signup-banner-trigger-container"><div class="ds-signup-banner-trigger ds-signup-banner-trigger-control"></div></div><div class="ds-signup-banner ds-signup-banner-control"><div id="ds-signup-banner-close-button"><button class="ds2-5-button ds2-5-button--secondary ds2-5-button--inverse"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">close</span></button></div><div class="ds-signup-banner-ctas"><img src="//a.academia-assets.com/images/academia-logo-capital-white.svg" /><h4 class="ds2-5-heading-serif-sm">Sign up for access to the world's latest research</h4><button class="ds2-5-button ds2-5-button--inverse ds2-5-button--full-width js-swp-download-button" data-signup-modal="{"location":"signup-banner"}">Sign up for free<span class="material-symbols-outlined" style="font-size: 20px" translate="no">arrow_forward</span></button></div><div class="ds-signup-banner-divider"></div><div class="ds-signup-banner-reasons"><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Get notified about relevant papers</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Save papers to use in your research</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Join the discussion with peers</span></div><div class="ds-signup-banner-reasons-item"><span class="material-symbols-outlined" style="font-size: 24px" translate="no">check</span><span>Track your impact</span></div></div></div><script>(() => { // Set up signup banner show/hide behavior: // 1. 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Using the olfactory system of the lettuce aphid to investigate volatiles from plants avoided by this insect, (Z)-jasmone was found to be electrophysiologically active and also to be repellent in laboratory choice tests. In field studies, repellency from traps was demonstrated for the damson-hop aphid, and with cereal aphids numbers were reduced in plots of winter wheat treated with (Z)-jasmone. In contrast, attractant activity was found in laboratory and wind tunnel tests for insects acting antagonistically to aphids, namely the seven-spot ladybird and an aphid parasitoid. When applied in the vapor phase to intact bean plants, (Z)-jasmone induced the production of volatile compounds, including the monoterpene (E)-␤-ocimene, which affect plant defense, for example by stimulating the activity of parasitic insects. These plants were more attractive to the aphid parasitoid in the wind tunnel when tested 48 h after exposure to (Z)-jasmone had ceased. This possible signaling role of (Z)-jasmone is qualitatively different from that of the biosynthetically related methyl jasmonate and gives a long-lasting effect after removal of the stimulus. Differential display was used to compare mRNA populations in bean leaves exposed to the vapor of (Z)-jasmone and methyl jasmonate. One differentially displayed fragment was cloned and shown by Northern blotting to be up-regulated in leaf tissue by (Z)-jasmone. This sequence was identified by homology as being derived from a gene encoding an ␣-tubulin isoform.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"New roles for cis-jasmone as an insect semiochemical and in plant defense","attachmentId":43583611,"attachmentType":"pdf","work_url":"https://www.academia.edu/23082006/New_roles_for_cis_jasmone_as_an_insect_semiochemical_and_in_plant_defense","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/23082006/New_roles_for_cis_jasmone_as_an_insect_semiochemical_and_in_plant_defense"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="1" data-entity-id="126009090" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/126009090/cis_Jasmone_indirect_action_on_egg_parasitoids_Hymenoptera_Scelionidae_and_its_application_in_biological_control_of_soybean_stink_bugs_Hemiptera_Pentatomidae_">cis-Jasmone indirect action on egg parasitoids (Hymenoptera: Scelionidae) and its application in biological control of soybean stink bugs (Hemiptera: Pentatomidae)</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="64124552" href="https://independent.academia.edu/ra%C3%BAlLaumann">raúl Laumann</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Biological Control, 2013</p><p class="ds-related-work--abstract ds2-5-body-sm">h i g h l i g h t s " cis-Jasmone is an herbivore induced plant volatile. " cis-Jasmone may induce indirect defenses in soybean plants against stink bugs. " Sprayed cis-jasmone increased number of Scelionidae egg parasitoids in soybean plots, when the matrix is soybean. " Sprayed cis-jasmone did not change parasitism and number of stink bugs in soybean plots.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"cis-Jasmone indirect action on egg parasitoids (Hymenoptera: Scelionidae) and its application in biological control of soybean stink bugs (Hemiptera: Pentatomidae)","attachmentId":119951826,"attachmentType":"pdf","work_url":"https://www.academia.edu/126009090/cis_Jasmone_indirect_action_on_egg_parasitoids_Hymenoptera_Scelionidae_and_its_application_in_biological_control_of_soybean_stink_bugs_Hemiptera_Pentatomidae_","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/126009090/cis_Jasmone_indirect_action_on_egg_parasitoids_Hymenoptera_Scelionidae_and_its_application_in_biological_control_of_soybean_stink_bugs_Hemiptera_Pentatomidae_"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="2" data-entity-id="84229469" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/84229469/Priming_of_Production_in_Maize_of_Volatile_Organic_Defence_Compounds_by_the_Natural_Plant_Activator_cis_Jasmone">Priming of Production in Maize of Volatile Organic Defence Compounds by the Natural Plant Activator cis-Jasmone</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="32993951" href="https://independent.academia.edu/JaneCaulfield">John H J Caulfield</a></div><p class="ds-related-work--metadata ds2-5-body-xs">PloS one, 2013</p><p class="ds-related-work--abstract ds2-5-body-sm">cis-Jasmone (CJ) is a natural plant product that activates defence against herbivores in model and crop plants. In this study, we investigated whether CJ could prime defence in maize, Zea mays, against the leafhopper, Cicadulina storeyi, responsible for the transmission of maize streak virus (MSV). Priming occurs when a pre-treatment, in this case CJ, increases the potency and speed of a defence response upon subsequent attack on the plant. Here, we tested insect responses to plant volatile organic compounds (VOCs) using a Y-tube olfactometer bioassay. Our initial experiments showed that, in this system, there was no significant response of the herbivore to CJ itself and no difference in response to VOCs collected from unexposed plants compared to CJ exposed plants, both without insects. VOCs were then collected from C. storeyi-infested maize seedlings with and without CJ pre-treatment. The bioassay revealed a significant preference by this pest for VOCs from infested seedlings with...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Priming of Production in Maize of Volatile Organic Defence Compounds by the Natural Plant Activator cis-Jasmone","attachmentId":89325524,"attachmentType":"pdf","work_url":"https://www.academia.edu/84229469/Priming_of_Production_in_Maize_of_Volatile_Organic_Defence_Compounds_by_the_Natural_Plant_Activator_cis_Jasmone","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/84229469/Priming_of_Production_in_Maize_of_Volatile_Organic_Defence_Compounds_by_the_Natural_Plant_Activator_cis_Jasmone"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="3" data-entity-id="33312303" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/33312303/cis_Jasmone_induces_accumulation_of_defence_compounds_in_wheat_Triticum_aestivum">cis-Jasmone induces accumulation of defence compounds in wheat, Triticum aestivum</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="65087606" href="https://independent.academia.edu/RichardBromilow">Richard Bromilow</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Phytochemistry, 2008</p><p class="ds-related-work--abstract ds2-5-body-sm">Liquid phase extraction (LPE) and vapor phase extraction (VPE) methodologies were used to evaluate the impact of the plant activator, cis-jasmone, on the secondary metabolism of wheat, Triticum aestivum, var. Solstice. LPE allowed the measurement of benzoxazinoids, i.e. 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA), 2-hydroxy-7-methoxy-1,4-benzoxazin-3-one (HMBOA) and 6-methoxy-benzoxazolin-2-one (MBOA), and phenolic acids such as trans-p-coumaric acid, syringic acid, p-hydroxybenzoic acid, vanillic acid and cis-and trans-ferulic acid. Using LPE, a significantly higher level of DIMBOA was found in aerial parts and roots of T. aestivum following treatment with cis-jasmone, when compared with untreated plants. Similar results were obtained for phenolic acids, such as trans-ferulic acid and vanillic acid in roots. Using VPE, it was possible to measure levels of 2-hydroxy-7-methoxy-(2H)-1,4-benzoxazin-3(4H)-one (HBOA), benzoxazolin-2(3H)-one (BOA), ferulic acid, syringic acid and coumaric acid. The levels of HBOA in aerial parts and roots were significantly greater in cis-jasmone treated plants compared to untreated plants. cis-Jasmone is known to be a plant activator in terms of production of defence-related volatile semiochemicals that repel aphids and increase the foraging activity of aphid parasitoids. These results show, for the first time, that cis-jasmone also induces selective production of secondary metabolites that are capable of directly reducing development of pests, diseases and weeds.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"cis-Jasmone induces accumulation of defence compounds in wheat, Triticum aestivum","attachmentId":53375609,"attachmentType":"pdf","work_url":"https://www.academia.edu/33312303/cis_Jasmone_induces_accumulation_of_defence_compounds_in_wheat_Triticum_aestivum","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/33312303/cis_Jasmone_induces_accumulation_of_defence_compounds_in_wheat_Triticum_aestivum"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="4" data-entity-id="89974256" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/89974256/Editorial_Inducing_Plant_Resistance_Against_Insects_Using_Exogenous_Bioactive_Chemicals_Key_Advances_and_Future_Perspectives">Editorial: Inducing Plant Resistance Against Insects Using Exogenous Bioactive Chemicals: Key Advances and Future Perspectives</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="96391072" href="https://independent.academia.edu/SobhyIslam">Islam Sobhy</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Frontiers in Plant Science</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Editorial: Inducing Plant Resistance Against Insects Using Exogenous Bioactive Chemicals: Key Advances and Future Perspectives","attachmentId":93665894,"attachmentType":"pdf","work_url":"https://www.academia.edu/89974256/Editorial_Inducing_Plant_Resistance_Against_Insects_Using_Exogenous_Bioactive_Chemicals_Key_Advances_and_Future_Perspectives","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/89974256/Editorial_Inducing_Plant_Resistance_Against_Insects_Using_Exogenous_Bioactive_Chemicals_Key_Advances_and_Future_Perspectives"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="5" data-entity-id="102904054" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/102904054/Developments_in_aspects_of_ecological_phytochemistry_The_role_of_cis_jasmone_in_inducible_defence_systems_in_plants">Developments in aspects of ecological phytochemistry: The role of cis-jasmone in inducible defence systems in plants</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="219517481" href="https://independent.academia.edu/ChristineWoodcock2">Christine Woodcock</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Phytochemistry, 2007</p><p class="ds-related-work--abstract ds2-5-body-sm">The challenges and opportunities for protecting agricultural production of food and other materials will be met through exploiting the induction of defence pathways in plants to control pests, diseases and weeds. These approaches will involve processes that can be activated by application of natural products, patented in terms of this use, to ''switch on'' defence pathways. Already, a number of secondary metabolite defence compounds are known for which the pathways are conveniently clustered genomically, e.g. the benzoxazinoids (hydroxamic acids) and the avenacins. For the former, it is shown that the small molecular weight lipophilic activator cis-jasmone can induce production of these compounds and certain genes within the pathway. Numerous groups around the world work on inducible defence systems. The science is rapidly expanding and involves studying the interacting components of defence pathways and the switching mechanisms activated by small molecular weight lipophilic compounds. Examples are described of how plant breeding can exploit these systems and how heterologous gene expression will eventually give rise to a new range of GM crops for food and energy, without the need for external application of synthetic pesticides.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Developments in aspects of ecological phytochemistry: The role of cis-jasmone in inducible defence systems in plants","attachmentId":103051211,"attachmentType":"pdf","work_url":"https://www.academia.edu/102904054/Developments_in_aspects_of_ecological_phytochemistry_The_role_of_cis_jasmone_in_inducible_defence_systems_in_plants","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/102904054/Developments_in_aspects_of_ecological_phytochemistry_The_role_of_cis_jasmone_in_inducible_defence_systems_in_plants"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="6" data-entity-id="126009093" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/126009093/Attraction_of_the_stink_bug_egg_parasitoid_Telenomus_podisi_to_defence_signals_from_soybean_activated_by_treatment_with_cis_jasmone">Attraction of the stink bug egg parasitoid Telenomus podisi to defence signals from soybean activated by treatment with cis‐jasmone</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="64124552" href="https://independent.academia.edu/ra%C3%BAlLaumann">raúl Laumann</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Entomologia Experimentalis et Applicata, 2009</p><p class="ds-related-work--abstract ds2-5-body-sm">After herbivore attack or chemical activation, plants release a blend of volatile organic compounds (VOCs) that is qualitatively or quantitatively different to the blend emitted by an undamaged plant. The altered blend of VOCs is then usually attractive to the herbivore&#39;s natural enemies. Soybean, Glycine max (L.) (Fabaceae), when damaged by stink bug herbivory, has been shown to emit a blend of VOCs that attracts the stink bug egg parasitoid Telenomus podisi (Ashmead) (Hymenoptera: Scelionidae) to the plant. In this study, our aim was to investigate changes in the VOC profile of soybean (var. BR16) elicited by the naturally occurring plant activator cis‐jasmone, and to determine whether these changes elicited the attraction of T. podisi. cis‐Jasmone elicited chemical defence in soybean similar to that previously reported for stink bug damage. The main components induced by cis‐jasmone were camphene, myrcene, (E)‐ocimene, methyl salicylate, and (E,E)‐4,8,12‐trimethyltrideca‐1,3,...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Attraction of the stink bug egg parasitoid Telenomus podisi to defence signals from soybean activated by treatment with cis‐jasmone","attachmentId":119951830,"attachmentType":"pdf","work_url":"https://www.academia.edu/126009093/Attraction_of_the_stink_bug_egg_parasitoid_Telenomus_podisi_to_defence_signals_from_soybean_activated_by_treatment_with_cis_jasmone","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/126009093/Attraction_of_the_stink_bug_egg_parasitoid_Telenomus_podisi_to_defence_signals_from_soybean_activated_by_treatment_with_cis_jasmone"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="7" data-entity-id="78318584" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/78318584/Insect_plant_interaction_and_defense_strategies_mediated_by_chemicals_A_review">Insect-plant interaction and defense strategies mediated by chemicals: A review</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="78751953" href="https://bahirdar.academia.edu/AbaynewJenber">Abaynew J E M A L Jenber</a></div><p class="ds-related-work--abstract ds2-5-body-sm">Plant-Insect relationships are constantly evolving as the morphology of plants and insects is shaped by natural selection in order to optimizing their defenses for the sake of enhancing propagation and ensuring the survival of the species. Plants usually coexist with one another, while herbivores and their natural enemies may respond to characteristics of the plant and the result of interactions. Plants have two types of defense: direct and indirect. Direct defense comes from their own naturally produced defenses, while indirect defense involves attracting other insects that will kill or impede herbivore activity. Some chemical defense mechanisms in plants against herbivorous insects include binding to protein to reduce the quality of the food, making the food unpalatable for the insects, changing the gut pH, causing the insect to rot, becoming unable to function correctly, having a bad taste to a particular insect, and reducing the growth rate of the insect that allows potential predators to parasitize, or eat the prey. Toxins in the gut of herbivore insects may be either increased by changing the pH or, in the case of insects, condensed harmlessly by secreting special enzymes, degraded by eating a lot of plant material, or absorbed by adding the toxins to their defense strategies.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Insect-plant interaction and defense strategies mediated by chemicals: A review","attachmentId":85408049,"attachmentType":"pdf","work_url":"https://www.academia.edu/78318584/Insect_plant_interaction_and_defense_strategies_mediated_by_chemicals_A_review","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/78318584/Insect_plant_interaction_and_defense_strategies_mediated_by_chemicals_A_review"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="8" data-entity-id="55871999" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/55871999/Sensing_the_Danger_Signals_cis_Jasmone_Reduces_Aphid_Performance_on_Potato_and_Modulates_the_Magnitude_of_Released_Volatiles">Sensing the Danger Signals: cis-Jasmone Reduces Aphid Performance on Potato and Modulates the Magnitude of Released Volatiles</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="96391072" href="https://independent.academia.edu/SobhyIslam">Islam Sobhy</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Frontiers in Ecology and Evolution</p><p class="ds-related-work--abstract ds2-5-body-sm">In response to herbivory, plants synthesize and release variable mixtures of herbivore-induced plant volatiles (HIPVs) as indirect defense traits. Such induction of indirect plant defense can also be "switched on" by certain chemicals known as priming agents. Preceding work showed that the plant HIPV cis-jasmone (CJ) induced the emission of aphid defense-related volatiles affecting their behavioral response. However, little is known about the extent to which CJ-induced volatiles impacts aphid performance. In the current study, we conducted growth assays of potato aphids, Macrosiphum euphorbiae, observing their reproduction, development, and survival on CJ-primed potato plants. Adult M. euphoribae produced fewer neonates on CJ-treated plants compared to untreated plants. The weight and survival of M. euphorbiae reproduced neonates were significantly lower on CJ-treated plants. Additionally, there was a significant reduction in mean relative growth rate (MRGR) of M. euphoribae nymphs that fed on CJ-treated plants. Furthermore, the intrinsic rate of population increase (r m) of M. euphoribae was significantly reduced on CJ-treated plants. Volatile analysis showed that CJ treatment significantly increased the emission of differently assigned volatile groups that have functional or biosynthetic characteristics, i.e., alcohols, benzenoids, homoterpenes, ketones, and sesquiterpenes at all sampling periods. Such enhanced volatile emissions were persistent over 7 days, suggesting a long-lasting effect of CJ defense priming. A negative correlation was found between volatile emission and MRGR of M. euphoribae. Principal component analysis (PCA) of data for the volatiles showed that (Z)-3-hexen-1-ol, α-pinene, (E)-ocimene, (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT), cis-jasmone, indole, and (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene (TMTT) were the main volatiles contributing to the emitted blends, suggesting possible involvement in the reduced performance of M. euphorbiae. Overall, our findings demonstrate that priming potato with CJ significantly results in elevated emission of known biologically active volatiles, which may negatively impact aphid settling and other performance traits on primed plants.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Sensing the Danger Signals: cis-Jasmone Reduces Aphid Performance on Potato and Modulates the Magnitude of Released Volatiles","attachmentId":71535951,"attachmentType":"pdf","work_url":"https://www.academia.edu/55871999/Sensing_the_Danger_Signals_cis_Jasmone_Reduces_Aphid_Performance_on_Potato_and_Modulates_the_Magnitude_of_Released_Volatiles","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/55871999/Sensing_the_Danger_Signals_cis_Jasmone_Reduces_Aphid_Performance_on_Potato_and_Modulates_the_Magnitude_of_Released_Volatiles"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="9" data-entity-id="733893" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/733893/Elicitors_of_plant_defensive_systems_reduce_insect_densities_and_disease_incidence">Elicitors of plant defensive systems reduce insect densities and disease incidence</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="158765" href="https://uga.academia.edu/RichardMayer">Richard Mayer</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Journal of Chemical …, 1998</p><p class="ds-related-work--abstract ds2-5-body-sm">Some elicitors of plant defensive systems can induce biochemical changes that enable the plant to reduce disease incidence; however, little is known about the effect of these induced responses on insect herbivores. We approached this problem using exogenous field applications of several abiotic elicitors of defensive systems in tomatoes (Lycopersicon esculentum), and evaluated the ability of the elicitors [benzo(l,2,3)thiadiazole-7-carbothioic acid (S)-methyl ester (BTH, Actigard); Probenazole; chitosan; salicylic acid; KeyPlex 350; KeyPlex DP2; and KeyPlex DP3] to reduce pest densities and to provide cross-resistance against various insect herbivores and pathogens. Only BTH provided cross-resistance and significantly reduced the incidence of bacterial spot (Xanthomonas campestris pv. vesicatoria), early blight (Alternaria solani), leaf mold (Fulvia fulva), and leafminer larval densities (Liriomyza spp.). The effects on leafminer larval densities were more pronounced during the early stages of plant development. A trend of reduced densities of whiteflies (Bemisia argentifolii) and powdery mildew (Oidium sp.), although not significant, was also found on the BTH-treated plants. Other elicitors had no significant effect on insect populations, but Probenazole and KeyPlex 350 significantly reduced bacterial spot and early blight incidence. The antiherbivore effects of BTH on leafminers was confirmed in a laboratory two-choice experiment. Adult leafminers preferred untreated plants to the BTH-treated tomatoes as ovipositioning host plants, generally corresponding *To whom correspondence should be addressed. ' Mention of a trademark, warranty, propietary product, or vender does not constitute a guarantee by the US Department of Agriculture and does not imply its approval to the exclusion of other products or vendors that may also be suitable. 135 0098-033l/98/0100-0135$15.00/0 © 1998 Plenum Publishing Corporation 136 INBAR ET AL.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Elicitors of plant defensive systems reduce insect densities and disease incidence","attachmentId":4187448,"attachmentType":"pdf","work_url":"https://www.academia.edu/733893/Elicitors_of_plant_defensive_systems_reduce_insect_densities_and_disease_incidence","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/733893/Elicitors_of_plant_defensive_systems_reduce_insect_densities_and_disease_incidence"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div></div></div><div class="ds-sticky-ctas--wrapper js-loswp-sticky-ctas hidden"><div class="ds-sticky-ctas--grid-container"><div class="ds-sticky-ctas--container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--sticky-ctas","attachmentId":121220529,"attachmentType":"pdf","workUrl":null}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--sticky-ctas","attachmentId":121220529,"attachmentType":"pdf","workUrl":null}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div><div class="ds-below-fold--grid-container"><div class="ds-work--container js-loswp-embedded-document"><div class="attachment_preview" data-attachment="Attachment_121220529" style="display: none"><div class="js-scribd-document-container"><div class="scribd--document-loading js-scribd-document-loader" style="display: block;"><img alt="Loading..." src="//a.academia-assets.com/images/loaders/paper-load.gif" /><p>Loading Preview</p></div></div><div style="text-align: center;"><div class="scribd--no-preview-alert js-preview-unavailable"><p>Sorry, preview is currently unavailable. 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