1. Cornell University, Ithaca, NY
2. Geneva, NY
3. University of Stellenbosch, Stellenbosch, South Africa
4. University of Maryland, Salisbury
5. University of Wisconsin, Madison
6. The Pennsylvania State University, University Park
7. University of Maine Cooperative Extension, Presque Isle
8. University of California, Riverside
9. North Carolina State University, Raleigh
10. University of Florida, Immokalee
11. North Dakota State University, Fargo
12. University of Kentucky, Lexington
13. Rutgers Agricultural Research and Extension Center, Bridgeton, NJ
14. USDA-ARS, Horticultural Crops Research Unit
15. Cornell University, Geneva, NY