Plant Pathology: Personnel
David Langston
Associate Professor
Horticulture Bldg
4604 Research Way
Tifton GA 31793
Phone: (229) 386-7495
dlangsto@uga.edu
ACADEMIC BACKGROUND
Ph.D., Plant Pathology, VPI & State Univ, 1998
M.Ag., Crop Science, N.C. State Univ, 1995
B.S., Agronomy, N.C. State Univ, 1990
RESEARCH INTERESTS AND CURRENT EFFORTS
Vegetables
Appointment: 100% Extension
COURSES TAUGHT IN 2007:
PATH 4300/6300 Clinical Plant Pathology
(Taught this alone during the summer and fall semesters)
ENTO/CRSS/PATH 4740/6740 Integrated Pest Management
(Taught w/ Jim Dutcher)
ENTO/CRSS/PATH 4250/6250 Pesticides and Transgenic Crops
(Taught w/ Stormy Sparks and Tim Grey)
ACADEMIC ADVISING:
Currently serve on Jeff Garton, M.S. (2009), Graduate Committee
Worked with University of Georgia faculty governance to approve offering the MPPPM program at the Tifton campus.
Accepted an intern,Cesar Nogales Herrera, from Zamorano University in Honduras - worked with me from Jan – April 2007.
CURRENT MEMBERSHIP IN PROFESSIONAL AND HONORARY SOCIETIES
American Phytopathological Society
Gamma Sigma Delta
National Association of County Agricultural Agents
Georgia Fruit and Vegetable Growers Association
Georgia Association of Plant Pathologists (GAPP)
National (and Georgia) Watermelon Growers Association
RECENT PUBLICATIONS
Nischwitz, C., Gitaitis, R., Sanders, H., Langston, D., Mullinix, B., Torrance, R., Boyhan, G., Zolobowska, L. 2007. Use of fatty acid methyl ester profiles to compare copper-tolerant and copper-sensitive strains of Pantoea ananatis. Phytopathology 97:1298-1304.
Nischwitz, C. Gitaitis, R.D., Mullis, S.W., Csinos, A.S., Langston, D.B., Jr. and Sparks, A.S. 2007. First Report of Iris yellow spot virus in Spiny Sowthistle (Sonchus asper) in the United States. Plant Disease 91:1518.
Nischwitz, C., Pappu, H. R., Mullis, S. W., Sparks, A. N., Langston, D. R., Csinos, A. S., and Gitaitis, R. D. 2007. Phylogenetic analysis of Iris yellow spot virus isolates from onion (Allium cepa) in Georgia (USA) and Peru. Journal of Phytopathology 155:531-535.
Keinath, A. P. , Everts, K. L. , Langston, D. B., Jr. , Egel, D. S. , Holmes, G. J. 2007. Multi-state evaluation of reduced-risk fungicides and Melcast against Alternaria leaf blight and gummy stem blight on muskmelon. Crop Protection 26:1251-1258.
Keinath, A. P. , Holmes, G. J. , Everts, K. L. , Egel, D. S. , Langston, D. B., Jr. 2007. Evaluation of combinations of chlorothalonil with azoxystrobin, harpin, and disease forecasting for control of downy mildew and gummy stem blight on melon. Crop Protection 26:83-88.
Woodward, J.E., Gremillion, S.K., Brock, J.H., Kemerait, R.C., Langston, D.B., and Williams-Woodward, J.L. 2006. Lilium lancifolium is discovered as a new host of Botryosphaeria parva in Georgia. Plant Health Progress doi:10.1094/PHP-2006-1127-02-BR.
Beard, G.H. and Langston, D.B., Jr. 2006. Diseases and Conditions of Vegetables in Georgia - A Pocket Guide. University of Georgia Cooperative Extension Publication 1259. 64 pages.
Keinath, Anthony P.; Cubeta, Marc A.; Langston, David B. Cabbage. Diseases: Ecology and Control. In Encyclopedia of Pest Management; Pimentel, D., Ed.; Taylor & Francis Group LLC: New York, 2006.
Seebold, Jr., K. W., Langston, D. B., Jr., Kemerait, Jr., R. C., and Hudgins, J. E.. 2005. First report of a leaf spot and stem canker caused by Myrothecium roridum on watermelon in the United States. Plant Dis. 89:342; published on-line as DOI: 10.1094/PD-89-0342A.
Woodward, J. E., Langston, D. B., Brock, J. H., Kemerait, R. C., Brenneman, T. B., and Beard, G. H. 2005. First demonstration of Koch’s postulates for Lasiodiplodia theobromae fruit spot on eggplant (Solanum melongena). Plant Dis. 89:687.