Microhongos asociados a semillas de soja procedentes de la provincia del Chaco, Argentina
Microfungi associated to soja seeds from Chaco province, Argentina
Fecha
2004Autor
Gutiérrez, Susana Alejandra
Cabrera, María Graciela
Gómez, Diana E.
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La semilla de soja es portadora de microorganismos que pueden afectar su viabilidad y la cantidad y/o calidad industrial de la producción. Mediante el método del papel de filtro se analizaron semillas de 11 cultivares procedentes de 3 localidades de la provincia del Chaco (200 semillas de cada cultivar). Se aislaron 11 taxa fúngicos, representados principalmente por: Cercospora kikuchii (15%), Macrophomina phaseolina (15%), Colletotrichum truncatum (12%), Phomopsis sp. (12%) y Alternaria sp. (5%). Algunos de los organismos aislados son fitopatógenos que causan enfermedades de importancia en cultivos de soja de la región. Soybean seeds carries microorganisms that may affect their viability as well as quantity and/or industrial quality of the production. By using the filtering paper method, seeds collected from cultivations located in three places of the Province of Chaco (200 seeds from each cultivation) were analysed. Eleven fungal taxa were isolated mainly represented by: Cercospora kikuchii (15%), Macrophomina phaseolina (15%), Colletotrichum truncatum (12%), Phomopsis sp. (12%) and Alternaria sp. (5%). Some of the isolated organisms are phytopathogenous causing diseases of economic relevance on soybean cultures in the cultures in the region.
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