1. Dep. of Crop Sciences; Univ. of Illinois; Urbana IL 61801
2. USDA-ARS, Soybean/Maize Germplasm, Pathology, and Genetics Research Unit, and Dep. of Crop Sciences; Univ. of Illinois; Urbana IL 61801
3. Dep. of Agronomy and Horticulture; Univ. of Nebraska; Lincoln NE 68583
4. Division of Plant Sciences; Univ. of Missouri; Columbia MO 65211
5. Dep. of Agronomy; Iowa State Univ.; Ames IA 550011
6. Dep. of Agronomy; Purdue Univ.; West Lafayette IN 47907
7. Dep. of Agronomy; Univ. of Wisconsin; Madison WI 53706
8. Crop, Soil, and Environmental Sciences; Univ. of Arkansas; Fayetteville AR 72701
9. Dep. of Plant and Soil Sciences; Oklahoma State Univ.; Stillwater OK 74078
10. Tidewater Agricultural Research and Extension Center; Virginia Tech; Suffolk VA 23437
11. Dep. of Plant Sciences; South Dakota State Univ.; Brookings SD 57007
12. Plant, Soil and Agricultural Systems; Southern Illinois Univ.; Carbondale IL 62901
13. Plant Science and Landscape Architecture; Univ. of Maryland; College Park MD 20742
14. Plant and Soil Sciences; Univ. of Kentucky; Lexington KY 40546
15. USDA-ARS, and Dep. of Horticulture and Crop Science; The Ohio State Univ.; Wooster OH 44691
16. Dep. of Horticulture and Crop Science; The Ohio State Univ.; Wooster OH 44691
17. Dep. of Agronomy and Plant Genetics; Univ. of Minnesota; St. Paul MN 55108
18. Agriculture and Agri-Food Canada; Harrow ON N0R 1G0 Canada
19. Dep. of Agronomy; Kansas State Univ.; Manhattan KS 66506
20. Plant and Soil Sciences; University of Delaware; Newark DE 19716
21. Dep. of Plant, Soil and Microbial Sciences; Michigan State Univ.; East Lansing MI 48824