P. D. Olivera, Department of Plant Pathology, University of Minnesota, St. Paul 55108; J. A. Kolmer, United States Department of Agriculture–Agricultural Research Service, Cereal Disease Laboratory, Department of Plant Pathology, University of Minnesota, St. Paul 55108; Y. Anikster, Institute for Cereal Crops Improvement, Tel Aviv University, Ramat Aviv, Israel 69978; and B. J. Steffenson, Depa...