Research Contacts UGA

Richard F. Davis, 706 542-2685, Plant Pathologist, Plant-parasitic nematodes.
E-mail: rfdavis@tifton.usda.edu

Juan Carlos Diaz, 229-391-6861, Research Horticulturist, Plasticulture, drip irrigation, organic mulches and compost utilization; plant responses to heat and water stress; cultural practices to control nematodes and viral diseases; solanaceous crops and onion.
E-mail: jcdiaz@tifton.uga.edu

Ronald D. Gitaitis, 229 386-3157, Research Plant Pathologist, Vegetable diseases caused by plant pathogenic bacteria. Specifically, the ecology of bacteria causing both pre- and post-harvest diseases of onions and the detection and epidemiology of seed borne watermelon fruit blotch.
E-mail: dronion@uga.edu

W. Carroll Johnson, 229/386-3172, Research Agronomist (Weed Science), Integrated weed management and weed biology research in vegetable crops.
E-mail: cjohnson@tifton.usda.edu

Stanley J. Kays, 706-542-2471,Research Horticulturist, General vegetables, non-destructive quality evaluation; Jerusalem artichoke - production, chemistry and physiology; sweet potato flavor chemistry, storage and weevil research.
E-mail: kaysstan@uga.edu

Changying Li, 229-386-3915, Research Agricultural Engineer, Post Harvest

David G. Riley, 229-391-3703, Research Entomologist, Integrated pest management of vegetable crops with specialization in insect-plant interactions, development of economic thresholds and insect population dynamics. Insects investigated include cabbage loopers, diamond back moth, pepper weevil, whiteflies, thrips, sand pest of sweet corn.
Email: driley@tifton.uga.edu

Ron Walcott, 706-542-6963, Research Plant Pathologist, Biology of seedborne bacteria and fungi, development of classical and molecular techniques for rapid detection of seedborne pathogens and the development of effective chemical and non-chemical seed treatments.
E-mail: rwalcott@uga.edu

Ted Webster, 229-386-3363, Research Agronomist, Methyl bromide replacement research on vegetables.
E-mail: twebster@tifton.usda.edu.

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