1. Dep. of Agronomy and Horticulture
2. USDA‐ARSE‐202 Food Quality Bldg.PullmanWA99164
3. USDA‐ARS and Dep. of Agronomy and Horticulture
4. Plant Science Dep.South Dakota State UniversityBrookingsSD57007
5. Dep. of Agronomy and HorticultureUniversity of NebraskaLincolnNE68583
6. Soil and Crop Sciences Dep.Texas A&M UniversityCollege StationTX77843
7. USDA‐ARS and Dep. of Plant PathologyUniversity of MinnesotaSt. PaulMN55108
8. Dep. of Plant PathologyUniversity of NebraskaLincolnNE68583
9. USDA‐ARS‐PSERU and Dep. of Entomology
10. USDA‐ARS‐PSERU and Dep. of AgronomyKansas State UniversityManhattanKS66506