1. Hampton Roads Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Virginia Beach 23455
2. School of Agricultural, Forest, and Environmental Sciences, Clemson University, Clemson, SC 29634
3. Mountain Horticultural Crops Research and Extension Center, North Carolina State University, Mills River 28759
4. Texas AgriLife Research and Extension Center, Texas A&M University, Overton 75684
5. Department of Plant Pathology, University of Georgia, Athens 30602
6. Otis Floyd Nursery Research Center, Tennessee State University, McMinnville 37110
7. Department of Plant Pathology, North Carolina State University, Raleigh 27695