1. Dep. of Crop Sciences, 1101 W. Peabody Dr.Univ. of Illinois Urbana IL 61801
2. Institute of Crop Germplasm ResourcesChinese Academy of Agricultural Sciences Beijing China
3. Pioneer Hi‐Bred Intl. P.O. Box 328 Hamel IL 62046
4. USDA‐ARSPlant Germplasm Introduction and Testing Research, Room 59 Johnson HallWashington State Univ. Pullman WA 99164‐6402
5. USDA‐Agricultural Research ServiceSoybean/Maize GermplasmPathology, and Genetics Research UnitDep. of Crop Sciences, 1101 W. Peabody Dr.Univ. of Illinois Urbana IL 61801