1. Pairwise Plants 807 East Main St., Suite 4‐100 Durham NC 27701 USA
2. USDA–ARS, Center for Grain and Animal Health Research, Hard Winter Wheat Genetics Research Unit Manhattan KS 66506‐5502 USA
3. USDA–ARS, Wheat, Sorghum and Forage Research Unit Lincoln NE 68583 USA
4. Dep. of Agronomy and Horticulture Univ. of Nebraska Lincoln NE 68583‐0915 USA
5. International Rice Research Institute Pilli Dr. Los Banos 4031 Philippines
6. USDA–ARS Plant Science Research Unit 411 Borlaug Hall, 1991 Upper Buford Circle Saint Paul MN 55108 USA