1. Inst. for Genomic Diversity; Cornell Univ.; Ithaca NY 14853
2. Dep. of Soil and Crop Sciences; Texas A&M Univ.; College Station TX 77843
3. Dep. of Agronomy; Kansas State Univ.; Manhattan KS 66506
4. USDA-ARS Plant Stress and Germplasm Development Unit; Cropping Systems Research Lab.; Lubbock TX 79415