Teaching program: Courses: PSS 431 Physiology and Ecology in Agroecosystems. PSS 532 Environmental Crop Physiology and Ecology. PSS 633 Plant Metabolism. Recent student awards: 2003 American Society for Horticultural Science Meetings, Southern Region 2002 International Horticulture Meetings, Toronto 2002 Horticulture Society Award at International Science Fair 2001 American Society for Horticultural Sciences Meeting, Sacramento, 2001 Cumberland Plateau Regional Science and Engineering Fair 2001-2002 Hilton A. Smith Graduate Fellowship 2001 American Society for Horticultural Science, Southern Region 2000 American Society for Horticultural Science 1999 American Society for Horticultural Science