1. Department of Plant Science, The Pennsylvania State University, 203 Tyson Building, University Park, PA 16802
2. Department of Plant Science, The Pennsylvania State University, 207 Forestry Resources Building, University Park, PA 16802
3. The Pennsylvania State University, Cooperative Extension in Adams County, 670 Old Harrisburg Road, Gettysburg, PA 17325
4. Department of Plant Science, The Pennsylvania State University, 119 Tyson Building, University Park, PA 16802
5. Fruit Research and Extension Center, The Pennsylvania State University, 290 University Drive, Biglerville, PA 17307