1. Department of Plant Pathology, University of Georgia, Tifton, GA 31793, U.S.A.
2. United States Department of Agriculture–Agricultural Research Service United States Vegetable Laboratory, Charleston, SC 29414, U.S.A.
3. Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, U.S.A.
4. Department of Pathology, University of Georgia, Tifton, GA 31793, U.S.A.