1. Dep. of Crop and Soil Sciences Washington State Univ. Pullman WA 99164‐6420 USA
2. HighLine Grain Growers, Inc. Reardan WA 99029 USA
3. USDA‐ARS, Wheat Health, Genetics, and Quality Research Unit Pullman WA 99164‐6420 USA
4. Dep. of Plant Pathology Washington State Univ. Pullman WA 99164‐6430 USA