1. Department of Crop and Soil Environmental Sciences; Virginia Tech; 365 Smyth Hall, 185 Ag Quad Lane Blacksburg VA 24061 USA
2. Department of Agricultural and Applied Economics; Virginia Tech; 301C Hutcheson Hall, 250 Drillfield Dr. Blacksburg VA 24061 USA
3. North Central Regional Sun Grant Center; South Dakota State University; 1015 Campanile Ave., Administration Building, Room 200, Box 2201 Brookings SD 57007 USA
4. Eastern Research Station; Oklahoma State University; RR 1, Box 570 Haskell OK USA
5. School of Integrative Plant Science; 126 Medicago Drive Ithaca NY 14853 USA
6. Department of Agronomy; 1403 Agronomy Hall, 716 Farm House Lane Ames IA 50011-1051 USA
7. Department of Life Science and Environmental Biochemistry; Pusan National University; Miryang 50463 South Korea
8. School of Integrative Plant Science; 114 Sturtevant Hall Ithaca NY 14853 USA
9. USDA-ARS Wheat; Sorghum and Forage Research Unit; University of Nebraska-Lincoln East Campus Lincoln; 251 Filley Hall NE 68583-0937 USA
10. School of Integrative Plant Science; Cornell University; 174 Roberts Hall Ithaca NY 14853 USA