1. 157 Biotechnology Bldg., Dep. of Plant Breeding and Genetics; Cornell Univ.; Ithaca NY 14853
2. Institute for Genomic Diversity, 156 Biotechnology Bldg.; Cornell Univ.; Ithaca NY 14853
3. USDA-ARS, Plant, Soil, and Nutrition Lab.; Dep. of Plant Breeding and Genetics; Cornell Univ.; Ithaca NY 14853
4. Dep. of Soil & Crop Science; Texas A&M Univ.; 2474 TAMU College Station TX 77843-2474
5. Dep. of Agronomy, 2004A Throckmorton Hall; Kansas State Univ.; Manhattan KS 66506
6. Institute for Genomic Diversity, 158 Biotechnology Bldg.; Cornell Univ.; Ithaca NY 14853