1. Department of Crop and Soil Environmental Sciences, Eastern Shore Agricultural Research and Extension Center, Virginia Tech, Painter, VA 23420, USA
2. Department of Plant Pathology, Physiology and Weed Science, Eastern Shore Agricultural Research and Extension Center, Virginia Tech, Painter, VA 23420, USA
3. Department of Horticulture, Eastern Shore Agricultural Research and Extension Center, Virginia Tech, Painter, VA 23420, USA