1. USDA‐ARSCrop Genetics Research UnitP.O. Box 345, 141 Experiment Station Rd.StonevilleMS38776
2. USDA‐ARS and Dep. of Crop SciencesUniv. of Illinois, National Soybean Research Center1101 West Peabody Dr.UrbanaIL61801
3. USDA‐ARSCrop Production Systems Research Unit141 Experiment Station Rd.StonevilleMS38776
4. USDA‐ARSCrop Genetics Research Unit605 Airways Blvd.JacksonTN38301