Evaluation of Trichoderma harzianum to control downy mildew disease in sunflower under field conditions based on changes in the metabolite profiles of roots

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dc.authoridsabudak, temine/0000-0003-4384-4265
dc.authoridKılıç, Tugba Hilal/0000-0002-1639-402X
dc.contributor.authorÖzer, Nuray
dc.contributor.authorSabudak, Temine
dc.contributor.authorKılıç, Tuğba Hilal
dc.contributor.authorEvci, Göksel
dc.contributor.authorYılmaz, Mehmet İbrahim
dc.date.accessioned2023-05-06T17:19:32Z
dc.date.available2023-05-06T17:19:32Z
dc.date.issued2023
dc.departmentFakülteler, Ziraat Fakültesi, Bitki Koruma Bölümü
dc.departmentFakülteler, Fen Edebiyat Fakültesi, Kimya Bölümü
dc.description.abstractTwo years of field testing were conducted in naturally Plasmopara halstedii-infested soils to assess the effectiveness of Trichoderma harzianum isolate (TRIC8) against downy mildew (P. halstedii) on sunflower (Helianthus annuus). Seed treatment with this antagonist offered protection of 73.64% in the first year. The effects of this treatment on oil content of the seeds and metabolite profiles of roots, along with disease severity, were evaluated in the second year by comparing to the fungicide treatment (Metalaxyl M). Oil content in seeds and metabolite profile in roots were studied using Nuclear Magnetic Resonance (NMR) and gas chromatography/mass spectrometry (GC/MS), respectively. TRIC8 and fungicide treatments were found to cause significantly lower disease severity when compared to that of the control, although weather conditions were more favorable for the disease in the second year than in the first year. The oil content in seeds with TRIC8 treatment was superior to that in seeds with fungicide treatment or control. The metabolites in roots from treated plants and disease severity were subjected to principal component analysis (PCA). TRIC8 treatment increased the accumulation of some alcohols [2-ethyl-2-methyltridecan-1-ol, 2-(propylamino)ethanol], aldehydes [2,5-bis(trimethylsilyloxy)benzaldehyde, dodecanal], alkanes (dotriacontane, eicosane, heneicosane, nonacosane, nonylcyclopropane, tetracontane, tetracosane), ketones [(1-hydroxycyclohexyl)-phenylmethanone, (4-methylphenyl)-phenylmethanone], an ester (6-ethyloctan-3-yl 6-bromohexanoate) and a terpene (falcarinol), which were among the metabolites that contributed over 0.70 in PC1 and were negatively correlated with disease severity. We suggest these metabolites might be involved in defense response of sunflower against P. halstedii in the field.
dc.identifier.doi10.1007/s10526-023-10190-w
dc.identifier.endpage206
dc.identifier.issn1386-6141
dc.identifier.issn1573-8248
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-85149026853
dc.identifier.scopusqualityQ2
dc.identifier.startpage191
dc.identifier.urihttps://doi.org/10.1007/s10526-023-10190-w
dc.identifier.urihttps://hdl.handle.net/20.500.11776/11831
dc.identifier.volume68
dc.identifier.wosWOS:000939747000001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorÖzer, Nuray
dc.institutionauthorSabudak, Temine
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofBiocontrol
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectPrincipal components
dc.subjectPlasmopara halstedii
dc.subjectField experiment
dc.subjectRoot metabolites
dc.subjectSunflower
dc.subjectTrichoderma harzianum
dc.subjectHelianthus-Annuus
dc.subjectPlant Sterols
dc.subjectResistance
dc.subjectMetalaxyl
dc.subjectL.
dc.titleEvaluation of Trichoderma harzianum to control downy mildew disease in sunflower under field conditions based on changes in the metabolite profiles of roots
dc.typeArticle

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