Biological control of onion basal rot disease using Trichoderma harzianum and induction of antifungal compounds in onion set following seed treatment

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dc.authorid0000-0003-2232-7592
dc.authorscopusid23485139100
dc.authorscopusid7006798815
dc.authorwosidCoşkuntuna, Arzu/ABA-5314-2020
dc.contributor.authorCoşkuntuna, Arzu
dc.contributor.authorÖzer, Nuray
dc.date.accessioned2022-05-11T14:43:26Z
dc.date.available2022-05-11T14:43:26Z
dc.date.issued2008
dc.departmentFakülteler, Ziraat Fakültesi, Bitki Koruma Bölümü
dc.description.abstractTrichoderma harzianum KUEN 1585 (commercial product, Sim(R)Derma) was tested to determine its effect on the mycelial growth of Fusarium oxysporum f.sp. cepae (FOC) in dual culture and its control of basal rot disease in pot- and field-grown onion sets. The abilities of T harzianum to induce the production of antifungal compounds in sets and to increase onion set diameter were also studied. In pot experiments, where the soil was inoculated with a pathogenic isolate of FOC, seeds were coated with T harzianum at the dosage of 10 g kg(-1) seed. In field experiments, seeds coated with T harzianum were sown in soil naturally infested with the pathogen. T harzianum inhibited mycelial growth of the pathogen in vitro. Seed treatment with T harzianum decreased disease incidence comparable to the imidazole fungicide, prochloraz in both pot and field experiments. It also enhanced bulb diameter of sets, especially in the pot experiment. Extracts from onion sets grown from treated seeds under both conditions were fractionated by thin-layer chromatography for their antifungal compounds. Most of the fractions obtained from the sets of T harzianum-treated seeds showed high antifungal activity against the pathogen. This study suggests the possible role of T harzianum in the induction of antifungal compounds against F. oxysporum f. sp. cepae in onion sets. (C) 2007 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.cropro.2007.06.002
dc.identifier.endpage336
dc.identifier.issn0261-2194
dc.identifier.issue45415en_US
dc.identifier.scopus2-s2.0-38849112555
dc.identifier.scopusqualityQ1
dc.identifier.startpage330
dc.identifier.urihttps://doi.org/10.1016/j.cropro.2007.06.002
dc.identifier.urihttps://hdl.handle.net/20.500.11776/9598
dc.identifier.volume27
dc.identifier.wosWOS:000253881100005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorCoşkuntuna, Arzu
dc.institutionauthorÖzer, Nuray
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofCrop Protection
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectbiological disease control
dc.subjectTrichoderma harzianum
dc.subjectbasal rot (Fusarium oxysporum f.sp cepae)
dc.subjectonion (Allium cepa L.)
dc.subjectantifungal compounds
dc.subjectSclerotium-Cepivorum
dc.subjectPhenolic-Compounds
dc.subjectWhite-Rot
dc.subjectResistance
dc.subjectInfection
dc.subjectCultivars
dc.subjectAbility
dc.titleBiological control of onion basal rot disease using Trichoderma harzianum and induction of antifungal compounds in onion set following seed treatment
dc.typeArticle

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