Volatile organic molecules from Fusarium oxysporum strain 21 with nematicidal activity against Meloidogyne incognita

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorTerra, Willian César-
Autor(es): dc.creatorCampos, Vicente Paulo-
Autor(es): dc.creatorMartins, Samuel Julio-
Autor(es): dc.creatorCosta, Lilian Simara Abreu S.-
Autor(es): dc.creatorSilva, Júlio Carlos Pereira da-
Autor(es): dc.creatorBarros, Aline Ferreira-
Autor(es): dc.creatorLopez, Liliana Estupiñan-
Autor(es): dc.creatorSantos, Thaisa Conrado Nunes-
Autor(es): dc.creatorSmant, Geert-
Autor(es): dc.creatorOliveira, Denilson Ferreira-
Data de aceite: dc.date.accessioned2026-02-09T11:29:14Z-
Data de disponibilização: dc.date.available2026-02-09T11:29:14Z-
Data de envio: dc.date.issued2019-03-29-
Data de envio: dc.date.issued2019-03-29-
Data de envio: dc.date.issued2018-04-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/33311-
Fonte completa do material: dc.identifierhttps://www.sciencedirect.com/science/article/pii/S0261219417303770#!-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1141802-
Descrição: dc.descriptionVolatile organic compounds (VOCs) produced by microorganisms are potential alternatives for the development of new nematicides. In a previous study, we identified VOCs produced by Fusarium oxysporum strain 21 (F.o–21). In this study, we tested the eight most abundant VOCs produced by F.o-21 against Meloidogyne incognita. Compounds 2-methylbutyl acetate (1), 3-methylbutyl acetate (2), ethyl acetate (7), and 2-methylpropyl acetate (8) led to in vitro mortality of 100%, 91%, 100%, and 82%, respectively, in second-stage juveniles (J2) of M. incognita at a concentration of 500 μg/mL. The lethal concentration (LC50) for compounds 1, 2, 7, and 8 in M. incognita J2, was 236, 198, 213, and 218 μg/mL, respectively. Under the same conditions, the commercial nematicide called carbofuran (2,3-dihydro-2,2-dimethyl-1-benzofuran-7-yl N-methyl carbamate) showed an LC50 of 191 μg/mL. Eggs exposed to compounds 2 and 7, for 72 h showed up to a 90% reduction in hatching, and the compounds 1, 2, 7, and 8 reduced M. incognita infectivity by 52%, 52%, 36% and 41%, respectively. When the compounds were applied in tomato seedlings infested by M. incognita, compound 1 reduced the number of galls per root gram by 22% when compared to the negative control (without the application of nematicide). The compound 2-methylbutyl acetate (1) showed potential to be used in the field after improvements in the application technology.-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceCrop Protection-
Palavras-chave: dc.subjectBioprospecting-
Palavras-chave: dc.subjectFusarium oxysporum-
Palavras-chave: dc.subjectPlant-parasitic nematodes-
Palavras-chave: dc.subjectVolatile organic compounds-
Palavras-chave: dc.subjectBioprospecção-
Palavras-chave: dc.subjectNematóides parasitas de plantas-
Palavras-chave: dc.subjectCompostos orgânicos voláteis-
Título: dc.titleVolatile organic molecules from Fusarium oxysporum strain 21 with nematicidal activity against Meloidogyne incognita-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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