1. Washington State University Irrigated Agriculture Research and Extension Center, Prosser, WA 99350
2. Cooperative Extension, University of California, Napa, CA 94559
3. CFAES Wooster Campus, The Ohio State University, Wooster, OH 44691
4. Plant Pathology Department, University of Georgia, Athens, GA 30602
5. Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, MI 48824
6. Agriculture Research Service Horticulture Crops Research Unit, United States Department of Agriculture, Corvallis, OR 97331