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Tomato-Fusarium oxysporum Interactions: I- Chitosan and MSB Effectively Inhibits Fungal Growth

AuthorsBorges, Andrés A. ; Borges-Pérez, Andrés ; Gutiérrez, A.; Paz-Lago, Dalila; Cabrera, G.; Fernández Falcón, Marino ; Ramírez, Miguel A.; Acosta, Alejandrina
Fusarium oxysporum
Fungal elicitors
Defensive mechanism
Elicitores fúngicos
Mecanismo defensivo
Issue DateOct-2000
PublisherMinisterio de Educación Superior (Cuba)
CitationCultivos Tropicales 21(4): 13-16 (2000)
Abstract[EN] Chitosan and menadione sodium bisulphite (MSB) were applied as agar amendment and seed coating to test the combined effects of them on Fusarium oxysporum f.sp. lycopersicii (FOL) in vitro growth and disease development of tomato plant seeds. In agar amendment, chitosan combined with MSB (chitosan 1.0 mg.m L-1 + MSB 0.1 mg.m L-1) was found to significantly inhibit FOL growth. Only chitosan as agar amendment and seed coating was effective, it diminishing disease occurrence in emerging roots from tomato seeds.
[ES] Quitosana y menadiona bisulfito de sodio (MBS) fueron aplicados como enmendantes y recubrimiento de semilla, para probar su efecto combinado sobre el crecimiento in vitro de Fusarium oxysporum f.sp. lycopersicii (FOL) y el desarrollo de la enfermedad en semillas de plantas de tomate. En agar enmendante, la quitosana combinada con el MBS (quitosana 1.0 mg.m L-1 + MBS 0.1 mg.m L-1) inhibió significativamente el crecimiento de FOL. Solamente la quitosana como enmendante y como recubrimiento a la semilla fue efectiva, disminuyendo la incidencia de la enfermedad en las raíces emergentes de las semillas de tomate.
Description4 pages, 2 figures, 2 tables.
Publisher version (URL)http://revistas.mes.edu.cu:9900/EDUNIV/03-Revistas-Cientificas/Cultivos-Tropicales/2000/4/09400403.pdf
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