1. Dep. of Agronomy and Horticulture Univ. of Nebraska Lincoln NE 68583
2. USDA–ARS Wheat, Sorghum and Forage Research Unit Lincoln NE 68583 USA
3. Dep. of Food Science and Technology Univ. of Nebraska Lincoln NE 68583 USA
4. Current address: USDA–ARS Hard Winter Wheat Genetics Research Unit Manhattan KS 66506 USA
5. Dep. of Agronomy and Horticulture West Central Research and Extension Center North Platte NE 69101 USA
6. Dep. of Plant Pathology Univ. of Nebraska Lincoln NE 68583
7. USDA–ARS Cereal Disease Lab. St. Paul MN 55108
8. Dep. of Entomology Univ. of Nebraska Lincoln NE 68583
9. Dep. of Entomology and Panhandle Research and Extension Center Scottsbluff NE 69361 USA
10. Current address: Faculty of Agriculture Damanhour Univ. Damanhour 22511 Egypt
11. Dep. of Agronomy and Plant Genetics Univ. of Minnesota St. Paul MN 55108 USA