1. Syngenta Crop Protection , 410 Swing Road, Greensboro, NC 27409 , USA
2. Plant and Environmental Science Department, Clemson University , 172 Poole Agricultural Center, Clemson, SC 29634 , USA
3. USDA, Appalachian Fruit Research Station , 2217 Wiltshire Road, Kearneysville, WV 25430 , USA
4. Virginia Tech, Alson H. Smith, Jr. Agricultural Research and Extension Center , 595 Laurel Grove Road, Winchester, VA 22602 , USA