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Cultivar and Fungicide Effects on Pythium Leak of Snap Bean

J. P. Damicone, J. D. Olson, and B. A. Kahn

April 2012


Pythium leak is a pod decay complex of several pathogens and is a problem in the processing industry where snap beans are harvested in bulk. In Oklahoma, Pythium leak of snap bean is caused primarily by Pythium aphanidermatum and P. ultimum. Fungicide programs alone have not provided adequate disease control. The objective of this study was to evaluate snap bean cultivars for their reaction to Pythium leak with and without fungicide (mefenoxam + copper hydroxide) treatment. Entries were compared to the regional standards of Roma II for flat pod types and Nelson for round pod types.


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