1. 1Department of Horticultural Science, North Carolina State University, Box 7609, 2721 Founders Drive, Raleigh, NC 27695
2. 2Department of Biological & Agricultural Engineering, North Carolina State University, Box 7625, D.S. Weaver Labs, Raleigh, NC 27695
3. 3Department of Plant Pathology, North Carolina State University, 3709 Hillsborough Street, Raleigh, NC 27695