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Plant Pathology: Personnel

Bob Kemerait picture of Bob Kemerait

Associate Professor
Horticulture Bldg
2360 Rainwater Road
Tifton, GA 31793-5766
Phone: (229) 386-3355
kemerait@uga.edu

ACADEMIC BACKGROUND

PhD in plant pathology, Univ of Florida, 2000
BS in chemistry, Univ of Florida, 1989
BS in biology, Davidson College (NC), 1987

RESEARCH INTERESTS AND CURRENT EFFORTS

My Extension and research program is focused on those diseases and plant parasitic nematodes that affect peanuts (Arachis hypogaea), cotton (Gossypium hirsutum), soybeans (Glycine max) and corn (Zea mays).  My Extension efforts are devoted to providing timely, research-based recommendations to growers, University of Georgia Cooperative Extension agents, and consultants for the management of all diseases and plant parasitic nematodes that affect the crops listed above in Georgia and the southeastern United States.  This information is disseminated to our clients through presentations at producer meetings, Extension bulletins, newsletters, and the Internet.  Working with other researchers and Extension specialists at the University of Georgia and colleagues from the agrichemical industry, I have coordinated investigation, development, and implementation of “Peanut Rx,” a risk index program for the management of tomato spotted wilt, leaf spot diseases, southern stem rot, and Rhizoctonia limb rot affecting peanut.  In addition to disease and nematode management recommendations, my program is deeply involved in the national “Soybean Rust  IPM-pipe” sentinel plot monitoring program (www.sbrusa.net) and the “Southern Corn Rust IPM-pipe” sentinel plot monitoring program (scr.ipmpipe.org).

In addition to Extension activities, a significant portion of my program is devoted to applied research on pathogens of peanut (primarily Cercospora arachidicola, Cercosporidium personatum, Scelrotium rolfsii, Cylindrocladium parsiticum, and Meloidogyne arenaria), fungal diseases of corn (especially Puccinia polysora and Exserohilum turcicum), southern root-knot nematode (Meloidogyne incognita) affecting cotton, soybeans, and corm, and Aspergillus flavus as it affects corn and peanuts.  Research programs include efforts in the laboratory, the greenhouse, and the field.

Finally, I am very interested in international collaboration efforts.  I am currently involved in the Peanut Collaborative Research and Support Program (Peanut CRSP) that is funded by the United States Agency for International Development.  I have worked with indigenous peanut farmers in Guyana, South America, since 2002 and with peasant farmers in Haiti since 2007.  I am also actively involved in the Philippine Phytopathological Society.

ACADEMIC ADVISING

Pamela Lu, M.S. (2009), Major Professor
Sara Gremillion, Ph.D. (2007), Committee Member

CURRENT MEMBERSHIP IN PROFESSIONAL AND HONORARY SOCIETIES

American Phytopathological Society (APS)
Southern Division of the American Phytopathological Society (SDAPS)
American Peanut Research and Education Society (APRES)
Philippine Phytopathological society (PPS)
Nematode and Disease Committee of the National Cotton Council
Georgia Association of Plant Pathologists (GAPP)
Georgia Association of County Agricultural Agents (GACAA)
National Association of County Agricultural Agents (NACAA)

RECENT PUBLICATIONS

Olatinwo, R.O., J.O. Paz, R.C. Kemerait, Jr., A.K. Culbreath, and G. Hoogenboom.  2010. El Niño-Southern Oscillation (ENSO): Impact on tomato spotted wilt intensity in peanut and the implication on yield. Crop Protection: 29: 448-453.

Davis, R.F. and R.C. Kemerait. 2009. The multi-year effects of repeatedly growing cotton with moderate resistance to Meloidogyne incognita. J. of Nematology 41: 140-145.

Dolezal, W., K.Tiwari, R. Kemerait, J.Kichler, P.Sapp, and J.Pataky. 2009. An Unusual Occurrence of Southern Rust, Caused by Rpp9-virulent Puccinia polysora, on Corn in Southwestern Georgia. Plan Disease 93(6): 676.

Woodward, J.E., T.B. Brenneman, R.C. Kemerait, A.K. Culbreath, and N. B. Smith.  2009.  Management of peanut diseases with reduced input fungicide programs in fields with varying levels of disease risk.  Crop Protection 29: 222-229.

Culbreath, A. K., T.B. Brenneman, R.C. Kemerait, Jr., and G.G. Hammes.  2009. Effect of the new pyrazole carboxamide fungicide penthiopyrad on late leaf spot and stem rot of peanut. Pest Management Science 65:66-73.

Olatinwo, R.O.,  J.O. Paz, S.L. Brown, R.C. Kemerait, Jr., A.K. Culbreath, and G. Hoogenboom.  2009. Impact of early spring weather factors on the risk of Tomato spotted wilt in peanut.  Plant Disease 93: 783-788.

Prostko, E.P., R.C. Kemerait, P.H. Jost, W.C. Johnson III, S.N. Brown, and T.W. Webster. 2009.  The influence of cultivar and chlorimuron application timing on spotted wilt disease and peanut yield.  Peanut Science: Vol. 36, No. 1, pp. 92-95.

Mueller, T.A., Miles, M.R., Morel, W., Marois, J.J., Wright, D.L., Kemerait, R.C., Levy, C., and Hartman, G.L.  2009.  Effect of fungicide timing of application on soybean rust severity and yield.  Plant Dis. 93: 243-248.

Olatinwo, R. O., J. O. Paz, S. L. Brown, R. C. Kemerait, Jr., A. K. Culbreath, J. P. Beasley, Jr., and G. Hoogenboom. 2008. A Predictive Model for Spotted Wilt Epidemics in Peanut Based on Local Weather Conditions and the Tomato spotted wilt virus Risk Index. Phytopathology 98: 1066-1074.

Woodward, J.E., T.B. Brenneman, R.C. Kemerait, N.A. Smith, A.K. Culbreath and K.L. Stevenson.  2008.  Use of resistant cultivars and reduced fungicide programs to manage peanut diseases in irrigated and nonirrigated fields. Plant Disease 92:896-902.

Woodward, J.E., T.B. Brenneman, R.C. Kemerait, A.K. Culbreath and N.A. Smith.  2008.  Large plot evaluations of reduced input fungicide programs in fields with varying levels of disease risk. Peanut Science 35:

Culbreath, A. K., R.C. Kemerait, Jr., and T.B. Brenneman.  2008. Management of leaf spot diseases of peanut with prothioconazole applied alone or in combination with tebuconazole or trifloxystrobin.  Peanut Science 35:149-158.

Jurick, W. M. II, Harmon, C. L., Marois, J., Wright, D. L., Lamour, K., Vitoreli, A., Creswell, T., Hershman, D., Estevez, C., Kemerait, B., Balbalian, C., and Harmon, P. F. 2007. A comparative analysis of diagnostic protocols for detection of the Asian soybean rust pathogen, Phakopsora pachyrhizi. Online. Plant Health Progress doi:10.1094/PHP-2007-0531-01-RS.

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