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Composition of fatty acids in hemp leaves (Cannabis sativa L.) under the impact of aphids and a herbicide

cris.lastimport.scopus2025-10-23T07:00:22Z
cris.virtual.author-orcid0000-0002-4485-7925
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dc.abstract.enCannabis aphid Phorodon (Diphorodon) cannabis Passerini 1860 is an economically important pest of oil hemp (Cannabis sativa L.) and is controlled by insecticides. Oil hemp crops are treated with herbicides, which are non-target pesticides for aphids but may also affect aphid populations. Such ecological implications of plant protection products are rarely investigated. The aim of the present research was to better understand plant ‒ aphid ‒ herbicide interactions, specifically, changes of fatty acids (FAs) in leaves, caused by cannabis aphids and a common herbicide used in hemp fields. Of 21 FAs detected in hemp leaves, aphid feeding significantly increased the amounts of myristic and oleic acids and decreased the content of α-linolenic acid. This effect was found when aphids fed on hemp plants and especially when plants were treated with an herbicide containing quizalofop-P-tefuryl. This compound on its own did not affect the FA composition. In spite of the extremely high increase of myristic acid (7- to 9-fold, depending on the experiment variant), which could cause the repellent effect in hemp plants, the decreased amount of α-linolenic acid, the precursor of jasmonic acid may have helped aphids to manipulate the jasmonate signaling pathway involved in plant defense to herbivory enabling their continued feeding on hemp. This study revealed the importance of FAs in plant defense as well as the side effects of non-target plant protection products. Future pest management should take into account the complex interactions between crop plants, their pests and non-target effects of chemicals used in real field situations.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliation.instituteKatedra Entomologii i Ochrony Środowiska
dc.contributor.authorDurak, Roma
dc.contributor.authorBorowiak-Sobkowiak, Beata
dc.contributor.authorSzpyrka, Ewa
dc.contributor.authorDurak, Tomasz
dc.contributor.authorCiak, Beata
dc.contributor.authorJedryczka, Małgorzata
dc.date.access2025-07-22
dc.date.accessioned2025-07-23T08:28:04Z
dc.date.available2025-07-23T08:28:04Z
dc.date.copyright2025-07-01
dc.date.issued2025
dc.description.abstract<jats:p>Cannabis aphid Phorodon (Diphorodon) cannabis Passerini 1860 is an economically impor­tant pest of oil hemp (Cannabis sativa L.) and is controlled by insecticides. Oil hemp crops are treated with herbicides, which are non-target pesticides for aphids but may also affect aphid populations. Such ecological implications of plant protection products are rarely in­vestigated. The aim of the present research was to better understand plant ‒ aphid ‒ her­bicide interactions, specifically, changes of fatty acids (FAs) in leaves, caused by cannabis aphids and a common herbicide used in hemp fields. Of 21 FAs detected in hemp leaves, aphid feeding significantly increased the amounts of myristic and oleic acids and decreased the content of α-linolenic acid. This effect was found when aphids fed on hemp plants and especially when plants were treated with an herbicide containing quizalofop-P-tefuryl. This compound on its own did not affect the FA composi­tion. In spite of the extremely high increase of myristic acid (7- to 9-fold, depending on the experiment variant), which could cause the repellent effect in hemp plants, the decreased amount of α-linolenic acid, the precursor of jasmonic acid may have helped aphids to ma­nipulate the jasmonate signaling pathway involved in plant defense to herbivory enabling their continued feeding on hemp. This study revealed the importance of FAs in plant de­fense as well as the side effects of non-target plant protection products. Future pest man­agement should take into account the complex interactions between crop plants, their pests and non-target effects of chemicals used in real field situations.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if1,3
dc.description.number2
dc.description.points100
dc.description.versionfinal_published
dc.description.volume65
dc.identifier.doi10.24425/jppr.2025.155051
dc.identifier.eissn1899-007X
dc.identifier.issn1427-4345
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/3934
dc.identifier.weblinkhttps://www.plantprotection.pl/Composition-of-fatty-acids-in-hemp-leaves-Cannabis-sativa-L-under-the-impact-of-aphids,199889,0,2.html
dc.languageen
dc.pbn.affiliationagriculture and horticulture
dc.relation.ispartofJournal of Plant Protection Research
dc.relation.pages241–254
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enATR-FTIR spectroscopy
dc.subject.encannabis aphid
dc.subject.enfatty acids
dc.subject.enjasmonate pathway
dc.subject.ennontarget pesticide
dc.subject.enoil hemp
dc.titleComposition of fatty acids in hemp leaves (Cannabis sativa L.) under the impact of aphids and a herbicide
dc.typeJournalArticle
dspace.entity.typePublication