Dry Bean Yield Losses Caused by Ascochyta, Angular, and White Leaf Spots in Colombia. Howard F. Schwartz, Plant Pathologist, Bean Program, Centro Internacional de Agricultura Tropical, Cali, Colombia, South America. Fernando Correa V., Research Assistant, Pedro A. Pineda D., Research Assistant, Maria Mercedes Otoya, Research Technician, and Mary J. Katherman, Research Associate, Bean Program, Centro Internacional de Agricultura Tropical, Cali, Colombia, South America. Plant Dis. 65:494-496. Copyright 1981 American Phytopathological Society. DOI: 10.1094/PD-65-494.

Diseases caused by Ascochyta sp., Pseudocercosporella albida, and Isariopsis griseola reduced dry bean yields by 43, 47, and 80%, respectively, in Colombia. White leaf spot, caused by P. albida, was controlled by foliar applications of benomyl or by plant resistance.

Keyword(s): Colletotrichum lindemuthianum, inoculation methodology, Phaseolus vulgaris.