1. Dep. of Crop and Soil SciencesWashington State Univ.PullmanWA99164
2. Inst. of Plant Breeding, Genetics, and Genomics, Univ. of Georgia
3. Dep. of Plant SciencesNorth Dakota State Univ.FargoND58108
4. USDA‐ARS Western Wheat Quality LaboratoryE‐202 Food Quality Bldg., Washington State Univ., P.O. Box 646394PullmanWA58105‐6050