Affiliation: | 1. Department of Plant Pathology, Cornell University, New York State Agricultural Experiment Station, Geneva, NY 14456, U.S.A.;2. Department of Horticultural Sciences, Cornell University, New York State Agricultural Experiment Station, Geneva, NY 14456, U.S.A.;3. Department of Plant Pathology, University of Georgia, Athens, G A 30602, U.S.A. |