Phytophthora Root Rot of Soybeans in Maryland. Jean E. Beagle, Graduate Research Assistant, Department of Botany, University of Maryland, College Park 20742. Jane F. Rissler, Assistant Professor, and James G. Kantzes, Professor, Department of Botany, University of Maryland, College Park 20742. Plant Dis. 66:371-372. Accepted for publication 27 July 1981. Copyright 1982 American Phytopathological Society. DOI: 10.1094/PD-66-371.

Root rot of soybean, caused by race 1 of Phytophthora megasperma f. sp. glycinea, is reported for the first time in Maryland. Isolation, pathogenicity, cultural characteristics, and race identification of two isolates are described. Susceptibility of several Maryland-grown soybean cultivars to these isolates is shown.

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