The sensitivity of Aspergillus niger and Fusarium oxysporum f. sp. cepae to fungistasis in onion-growing soils

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dc.authorscopusid7006798815
dc.authorscopusid57212570527
dc.authorscopusid36027512600
dc.contributor.authorÖzer, Nuray
dc.contributor.authorKoç, M.
dc.contributor.authorDer, B.
dc.date.accessioned2022-05-11T14:10:24Z
dc.date.available2022-05-11T14:10:24Z
dc.date.issued2009
dc.departmentFakülteler, Ziraat Fakültesi, Bitki Koruma Bölümü
dc.departmentEnstitüler, Fen Bilimleri Enstitüsü, Bitki Koruma Ana Bilim Dalı
dc.description.abstractTwenty-seven soil samples were collected from the onion (Allium cepa L.) fields of Tekirdag province, Turkey. These samples were investigated for the sensi-tivity of Aspergillus niger V. Tieghem (AN) and Fusarium oxysporum Schlechtend.: Fr. f. sp. cepae (H. N. Hans.) W. C. Snyder H. N. Hans (FOC), known as the causal agents of black mould and basal rot of onion, respectively, to soil fungistasis. Fungistasis was evaluated using two methods: inhibition of pathogen spore germination by volatile compounds from the soil and determination of the antagonistic fungal population of soil samples. Volatile compounds in twelve of the soil samples strongly (>70%) inhibited spore germination of only AN. Inhibition rates of volatile compounds were not correlated with physical and chemical characters of the soils. Fungi isolated from soil samples were evaluated for their antagonism to both pathogens using dual cultures. The population of species causing over 70% inhibition of radial growth on pathogens was calculated in soil samples. The presence of both volatile compounds inhibiting spore germination of AN and populations of fungi antagonistic for AN and FOC were observed in six of the soil samples. The possible effects of two fungistatic mechanisms in soils on disease development by these pathogens are discussed.
dc.identifier.endpage410
dc.identifier.issn1125-4653
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-77749313260
dc.identifier.scopusqualityQ2
dc.identifier.startpage401
dc.identifier.urihttps://hdl.handle.net/20.500.11776/5386
dc.identifier.volume91
dc.indekslendigikaynakScopus
dc.institutionauthorÖzer, Nuray
dc.institutionauthorKoç, M.
dc.institutionauthorDer, B.
dc.language.isoen
dc.relation.ispartofJournal of Plant Pathology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAntagonist fungus population
dc.subjectAspergillus niger
dc.subjectFusarium oxysporum f. sp. cepae
dc.subjectOnion (Allium cepa l.)
dc.subjectSoil volatile compounds
dc.subjectAllium cepa
dc.subjectAspergillus niger
dc.subjectFungi
dc.subjectFusarium oxysporum
dc.titleThe sensitivity of Aspergillus niger and Fusarium oxysporum f. sp. cepae to fungistasis in onion-growing soils
dc.typeArticle

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