Molecular characterization of Colletotrichum species causing soybean anthracnose in Argentina

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Twenty-six isolates obtained from soybean crops [Glycine max] with typical anthracnose symptoms were identified as Colletotrichum truncatum [73 per cent] and C. destructivum [26 per cent]. Their genetic relationships were studied using the AFLP method. A UPGMA phenogram divided the strains into two...

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Detalles Bibliográficos
Otros Autores: Ramos, Araceli M., Tadic, Luis Franco, Cinto, Isabel, Carmona, Marcelo Aníbal, Gally, Marcela Edith
Formato: Artículo
Lenguaje:Inglés
Materias:
GLOMERELLA GLYCINES
TELEOMORPH
GENETIC DIVERSITY
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2013ramos.pdf
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Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central (FAUBA) de Universidad de Buenos Aires
Descripción
Sumario:Twenty-six isolates obtained from soybean crops [Glycine max] with typical anthracnose symptoms were identified as Colletotrichum truncatum [73 per cent] and C. destructivum [26 per cent]. Their genetic relationships were studied using the AFLP method. A UPGMA phenogram divided the strains into two clusters corresponding with the two species. Genetic distances based on association coefficient were 0.71-0.89 among the 18 C. truncatum strains and 0.67-1 among the eight C. destructivum strains. Genetic variability within species, measured in terms of percentage of polymorphic loci, was high [minor a 90 per cent]. Only two isolates showed 100 per cent similarity, suggesting high intraspecific variability.
ISSN:2154-8889

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