1. Assoc. Prof., Virginia Tech, School of Plant and Environ. Sci., Hampton Roads Agric. Res. Ext. Cntr., 1444 Diamond Springs Rd., Virginia Beach, VA 23455; jsowen@vt.edu.
2. Assoc. Prof., NC State Univ., Dept. of Horticultural Sci., Mntn. Hort. Crops, Res. & Ext. Cntr., 455 Research Dr., Mills River, NC 28759; avlebude@ncsu.edu.
3. Sci. & Res. Prgms. Dir., AmericanHort & Horticultural Res. Inst., 525 9th St NW, Washington, DC 20004; jillc@americanhort.org.
4. Res. Horticulturist, USDA-ARS, Application Tech. Res. Unit, Greenhouse Production Res. Group, 2801 West Bancroft St., Mail Stop 604, Toledo, OH 43606; jennifer.boldt@usda.gov.
5. Admin., Horticultural Res. Inst., AmericanHort, 2130 Stella Crt., Columbus, OH 43215, OH; JenniferG@americanhort.org.
6. Res. Horticulturist & Res. Leader, USDA-ARS, Application Tech. Res. Unit, 212 Food, Agric., and Biol. Sci. Bldg., 1680 Madison Ave., Wooster, OH 44691; james.altland@usda.gov.