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Entomology: Personnel

Entomology Faculty

Rajagopalbabu Srinivasan (CV)

Associate Professor of Entomology
Tifton Campus
Ph.D., University of Idaho, 2006

Contact Information

Department of Entomology
UGA Tifton Campus
2360 Rainwater Road
122 S. Entomology Road (Physical address)
Tifton, GA 31794-5766

Phone: 229-386-3199
Fax: 229-386-3086

Rajagopalbabu Srinivasan

Research Overview

I conduct basic and applied research on important thrips, whitefly, and aphid- transmitted plant viruses (Tospoviruses, Geminiviruses, and Potyviruses) affecting several crops in Georgia and in Southeastern United States. My goal is to understand these viral pathosystems at micro and macro levels. My lab is currently involved in studying the process of virus transmission by vectors, component (vector-virus-host plant) interactions, and the various factors that mediate these interactions by employing behavioral, biochemical, serological, and molecular approaches. My research also aims to understand the various factors that influence the ecology and epidemiology of these insect-transmitted viruses.

Lab Personnel

Mr. Stan Diffie, Research Professional,
Mr. Simmy McKeown, Research Technician III,
Ms. Sheran Thompson, Research Technician III,
Ms. Julia Kitchens, Student Worker,
Mr. Michelle Moncrief, Student worker,

Graduate Students

Ms. Anita Shrestha (PhD),
Ms. Wendy Marchant (PhD),
Ms. Kathleen Marasigan (MS),

Post Doctoral Associates

Dr. Saioa Legarrea (PhD),

Past Lab Members

Dr. Apurba Barman (PhD),, 2012-2013
Ms. Anita Shrestha, Graduate student, 2009-2011
Dr. Sivamani Sundaraj, Post doctoral associate, 2009-2011
Dr. Suganthy Sundaraeswaran, Visiting Scientist, 2011
Mr. Qaisar Abbas, Exchange scientist, 2011

Recent Publications

Dutta, B., A. Barman, R. Srinivasan, U. Avci, D. E. Ullman, D. B. Langston, and R. Gitaitis. 2014. Transmission of Pantoea ananatis and Pantoea agglomerans, causal agents of center rot of onion (Allium cepa L.), by Onion Thrips (Thrips tabaci Lindeman) through feces. Phytopathology (Accepted

Srinivasan, R., D. Riley, S. Diffie, A. Shrestha, and A. Culbreath. 2014. Winter weeds as inoculum sources of Tomato spotted wilt virus and as reservoirs for its vector, Frankliniella fusca in farmscapes of Georgia. Env. Entomol. (In press).

Sundaraj, S., R. Srinivasan, A. Culbreath, D. Riley, and H. Pappu. 2014. Plant resistance against Tomato spotted wilt virus (TSWV) in peanut (Arachis hypogaea) and its impact on susceptibility to the virus, virus population genetics, and vector feeding behavior and survival. Phytopathology 104: 202-210.

*Shrestha, A., R. Srinivasan, S. Sundaraj, A. Culbreath, and D. Riley. 2013. Second generation peanut genotypes resistant to thrips-transmitted Tomato spotted wilt virus exhibit tolerance rather than true resistance and differentially affect thrips fitness. J. Econ. Entomol. 106: 587-596. (*Graduate student)

Srinivasan, R., J. M. Alvarez, and F. Cervantes. 2013. The effect of an alternate host, hairy nightshade, Solanum sarrachoides (Sendtner) on green peach aphid distribution and Potato leafroll virus incidence in potato fields of the Pacific Northwest. Crop Protection. 46: 52-56.

Alvarez, J. M., R. Srinivasan, and F. Cervantes. 2013. Occurrence of the carabid beetle, Pterostichus melanarius (Illiger), in potato ecosystems of Idaho, and its predatory potential on the Colorado potato beetle and aphids. Am. J. Pot. Res. 90: 83-92.

Srinivasan, R., F. Cervantes, and J. M. Alvarez. 2013. Aphid-borne virus dynamics in potato-weed pathosystem, pp. 311-337. In P. Giordanengo, C. Vincent, and A. Alyokhin (eds.), Insect pests of potato: Global perspectives on biology and management. Elsevier. New York, NY.

*Shrestha, A., R. Srinivasan, D. Riley, and A. Culbreath. 2012. Direct and indirect effects of a thrips-transmitted tospovirus on the preference and fitness of its vector, Frankliniella fusca. Entomol. Exp. Appl. 145: 260-271. (* Graduate student)

Srinivasan, R., D. Riley, S. Diffie, A. Sparks, and S. Adkins. 2012. Whitefly population dynamics and evaluation of whitefly-transmitted Tomato yellow leaf curl virus (TYLCV)-resistant tomato genotypes as whitefly and TYLCV reservoirs. J. Econ. Entomol. 105: 1447-1456.

Riley, D., J. Shimat, and R. Srinivasan. 2012. Reflective mulch and Acibenzolar-S-methyl treatments relative to thrips (Thysanoptera: Thripidae) and Tomato spotted wilt virus incidence in tomato. J. Econ. Entomol. 105: 1302-1310.

Nischwitz, C., R. Srinivasan, S. Sundaraj, S. W. Mullis, B. McInnes, and R. D. Gitaitis. 2012. Geographical distribution and survival of Iris yellow spot virus in spiny sowthistle, Sonchus asper (L.) Hill in Georgia, USA. Plant Dis. 96: 1165-1171.

R. Srinivasan, D. Hall, F. Cervantes, J. Alvarez, and J. Whitworth. 2012. Strain specificity and simultaneous transmission of a closely related Potyvirus by Myzus persicae.  J. Econ. Entomol. 105: 783-791.

Tertuliano, M., R. Srinivasan, and H. Scherm. 2012. Settling behavior of the glassy-winged sharpshooter, Homalodisca vitripennis, vector of Xylella fastidiosa, on southern highbush blueberry cultivars. Entomol. Exp. Appl. 143: 63-73.

Srinivasan, R., S. Sundaraj, H. Pappu, S. Diffie, D. Riley, and R. Gitaitis. 2012. Transmission of Iris yellow spot virus by Frankliniella fusca and Thrips tabaci (Thysanoptera: Thripidae).  J. Econ. Entomol. 105: 40-47.

Riley, D., J. Shimat, and R. Srinivasan. 2012. Temporal relationship of thrips populations to Tomato spotted wilt incidence in tomato in the field. J. Entomol. Sci. 47: 65-75.

Srinivasan, R., S. Diffie, S. Sundaraj, S. Mullis, D. Riley, R. Gitaitis, and H. Pappu. 2011. Evaluation of lisianthus (Eustoma grandiflorum) as an Indicator host for Iris yellow spot virus. Plant Dis. 95: 1520-1527.

*Sundaraj, S., R. Srinivasan, C. Webster, S. Adkins, K. Perry, and D. Riley. 2011. First report of Tomato chlorosis virus in Georgia. Plant Dis. 95: 881. (*Postdoctoral Associate)

Culbreath, A., and R. Srinivasan. 2011. Epidemiology of tomato spotted wilt of peanut in the southeastern U.S. Virus Res. 159: 101-109.

Riley, D., J. Shimat, R. Srinivasan, and S. Diffie. 2011. Thrips vectors of tospoviruses. Journal of Integrated Pest Management. 1(2): 2011; DOI: 10.1603/IPM10020.

Srinivasan, R., and F. Guo, D. Riley, S. Diffie, R. Gitaitis, A. Sparks, and A. Jeyaprakash. 2011. Assessment of variation among Thrips tabaci populations from Georgia and Peru based on polymorphism in mitochondrial cytochrome oxidase I and ribosomal ITS2 sequences. J. Entomol. Sci. 46: 191-203.

Croxton, S. D., W. G. Foshee, E. K. Blythe, J. F. Murphy, J. L. Sibley, and R. Srinivasan. 2011. Evaluation of tempera paints to reduce occurrence of Tomato spotted wilt virus. International Journal of vegetable science. 17: 177-189.

Srinivasan, R., and J. M. Alvarez. 2011. Specialized host utilization of Macrosiphum euphorbiae on a non-native weed host, hairy nightshade, Solanum sarrachoides (Sendtner), and competition with Myzus persicae. Environ. Entomol. 40: 350-356.

*Diffie, S., and R. Srinivasan. 2010. Records of new thrips species in Georgia. J. Entomol. Sci. 45: 394-396. (*Research Professional)

Alvarez, J. M., R. Srinivasan, and F. Cervantes. 2009. Potato viral infections affect the biology and behaviour of aphid vectors. Redia, 92: 169-170.

Srinivasan, R., and J.M. Alvarez. 2008. Hairy nightshade as a potential Potato leafroll virus (Luteoviridae: Polerovirus) inoculum source in Pacific Northwest potato ecosystems. Phytopathology. 98: 985-991.

Srinivasan, R., J. M. Alvarez, N. Bosque-Pérez, S. Eigenbrode, and R. Novy. 2008. Effect of an alternate weed host, hairy nightshade, Solanum sarrachoides (Sendtner), on the biology of the two most important Potato leafroll virus (Luteoviridae: Polerovirus) vectors, Myzus persicae (Sulzer) and Macrosiphum euphorbiae (Thomas) (Aphididae: Homoptera). Env. Entomol. 37: 592-600.

Srinivasan, R., M. A. Hoy, R. Singh, and M.E. Rogers. 2008. Laboratory and field evaluations of Silwet L-77 and kinetic alone and in combination with imidacloprid and abamectin for the management of the Asian citrus psyllid, Diaphorina citri kuwayama (Hemiptera: Psyllidae). Fl. Entomol. 91: 87-100.

Srinivasan, R., and J. M. Alvarez. 2007. Effect of mixed viral infection (PVY-PLRV) on the biology and preference of its vectors, Myzus persicae (Sulzer) and Macrosiphum euphorbiae (Thomas) (Homoptera: Aphididae). J. Econ. Entomol. 100: 646-655.

Srinivasan, R., J. M. Alvarez, S. D. Eigenbrode and N. A. Bosque-Pérez. 2006. Influence of hairy nightshade Solanum sarrachoides (Sendtner) and Potato leafroll virus (Luteoviridae: Polerovirus) on the preference of Myzus persicae (Sulzer) (Homoptera: Aphididae). Env. Entomol. 35: 546-553.

Alvarez, J. M., and R. Srinivasan. 2005. Evaluation of hairy nightshade as an inoculum source for the aphid-mediated transmission of Potato leafroll virus. J. Econ. Entomol. 98: 101-1108.

Subramanian, S., R. Parthasarathy, R. J. Rabindra, N. Sathiah, and S. Rajagopalbabu. 2005. The infectivity of the entomopathogenic nematode, Steinernema glaseri against the moringa hairy caterpillar, Eupterote mollifera. Nematol. medit. 33: 151-156.



Srinivasan lab, Summer 2010 

Christmas Lunch 2012


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