Geographic Distribution of Rhizoctonia and Pythium Species in Soils from Dryland Cereal Cropping Systems in Eastern Washington

Geographic Distribution of Rhizoctonia and Pythium Species in Soils from Dryland Cereal Cropping Systems in Eastern Washington

K. L. SCHROEDER, P. A. Okubara, and T. C. Paulitz USDA-ARS, Washington State University, Pullman, WA 99164-6430