1. Dep. of Plant SciencesNorth Dakota State Univ.P.O. Box 6050FargoND58108
2. Dep. of Computer ScienceSlippery Rock Univ.Slippery RockPA16057
3. Dep. of Plant PathologyNorth Dakota State Univ.P.O. Box 6050FargoND58108
4. Dep. of Food Sciences & NutritionKing Saud Univ.P.O. Box 2460Riyadh11451Saudi Arabia
5. USDA‐ARS, Cereal Disease Lab.Univ. of MinnesotaSt. PaulMN55108