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Leaf Spot of Pinto Bean Caused by a Long-beaked Alternaria in Southeastern Arizona

N. P. Garber and M. W. Olsen

October 2011

Brief

This report identifies an Alternaria disease affecting pinto beans in incidence in Arizona. The similarity of disease symptoms and morphology of the pathogen to a recently characterized Alternaria and its disease of bean in Brazil causes concern about its potentially damaging effects on pinto bean production in Arizona.

doi:10.1094/PHP-2011-1018-01-BR

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