1. Department of Plant Pathology; University of Georgia; Coastal Plain Experiment Station Tifton GA 31793 USA
2. IEH Laboratories and Consulting Group; Molecular Epidemiology; 1530 Bothel Way Lake Forest Park WA 98155 USA
3. Department of Plant Pathology; University of Georgia; Athens GA 30602 USA
4. Complex Carbohydrate Research Center; University of Georgia; Athens GA 30602 USA
5. Department of Plant Pathology and Plant-Microbe Biology; Cornell University; Geneva NY 14456 USA