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Evaluacion de variedades promisorias de frijol (P. vulgaris) a la incidencia de "telarana" o "mustia"

CIATs collection of promising bean lines was evaluated over a 2- mo period for resistance to web blight (Rhizoctonia microsclerotia) on a highly infested soil in Esparza, Costa Rica, where conditions are very favorable for the development of this disease. A scale of 1-5 was used, based on the percen...

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Main Authors: Mora, B.E., Gálvez E., Guillermo E.
Format: Conference Paper
Language:Español
Published: International Center for Tropical Agriculture 1979
Subjects:
phaseolus vulgaris
rhizoctonia solani
cultivars
resistance
germplasm
leaves
Online Access:https://hdl.handle.net/10568/69885
Summary:CIATs collection of promising bean lines was evaluated over a 2- mo period for resistance to web blight (Rhizoctonia microsclerotia) on a highly infested soil in Esparza, Costa Rica, where conditions are very favorable for the development of this disease. A scale of 1-5 was used, based on the percentage of dead leaf area. Only P. 368 and P .740 showed some tolerance to the fungus. (AS)

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