Affiliation: | (1) U. S. Department of Agriculture, Agricultural Research Service, Appalachian Fruit Research Station, 2217 Wiltshire Road, Kearneysville, WV 25430-2771, USA;(2) U. S. Department of Agriculture, Agricultural Research Service, Epcot Science, 2013 North Avenue of the Stars, Lake Buena Vista, FL 32830, USA |