1. GROWMARK, Member Resources, 1701 Towanda Ave., Bloomington, IL 61702
2. Department of Plant Pathology, University of Kentucky, Princeton, KY 42445
3. Soybean/Maize Germplasm, Pathology and Genetics Research Unit, USDA-ARS, Urbana, IL 61801
4. Department of Plant Pathology and Microbiology, Iowa State University, Ames, IA 50011