1. Department of Crop and Soil Sciences, College of Agricultural, Human, and Natural Resource Sciences Washington State University Pullman Washington USA
2. University of California Cooperative Extension Modesto California USA
3. Department of Extension Ohio State University Columbus Ohio USA
4. Department of Horticulture and Crop Science Ohio State University Columbus Ohio USA
5. Department of Plant Pathology Ohio State University Wooster Ohio USA
6. School of Environment and Natural Resources Ohio State University Wooster Ohio USA