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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.
Ms. Sasha Kay, Research Professional, firstname.lastname@example.org
Mr. Simmy McKeown, Research Technician III, email@example.com
Ms. Sheran Thompson, Research Technician III, firstname.lastname@example.org
Ms. Nancy Bostick, Student Worker, email@example.com
Ms. Caitlyn Kimmons, Student Worker, firstname.lastname@example.org
Post Doctoral Associates
Dr. Kiran Gadhave, email@example.com (Bhabesh Dutta & Tim Coolong co-advisors)
Past Lab Members
Mr. Stan Diffie, Research Professional, 2008-2016
Dr. Anita Shrestha (PhD), Graduate student, 2009-2016
Ms. Kathleen Marasigan (MS), Graduate student, 2011-2014
Dr. Saioa Legarrea (PhD), Postdoctoral Associate, 2013-2014
Dr. Apurba Barman (PhD), Postdoctoral Associate, 2012-2013
Dr. Sivamani Sundaraj, Postdoctoral associate, 2009-2011
Dr. Suganthy Sundaraeswaran, Visiting Scientist, 2011
Mr. Qaisar Abbas, Exchange scientist, 2011
Fonsah, E.G., Y. Chen, S. Diffie, R. Srinivasan, and D. Riley. 2018. Economic productivity and profitability analysis for whiteflies and Tomato yellow leaf curl virus (TYLCV) management options. Journal of Agriculture and Environmental Sciences 7: 1-9.
*Marasigan, K., M. Toews, R. Kemerait, M. R. Abney, A. Culbreath, and R. Srinivasan. 2018. Evaluation of alternatives to an organophosphate insecticide with selected cultural practices: effects on thrips, Frankliniella fusca (Hinds), and spotted wilt incidence in peanut farmscapes. Journal of Economic Entomology 111: 1030-1041. (*Graduate student)
Keough, S., J. Danielson, J. M. Marshall, D. Lagos, D. Voegtlin, R. Srinivasan, and P. Nachappa. 2018. Factors affecting population dynamics of thrips vectors of Soybean vein necrosis virus. Environmental Entomology 47: 734-740.
*Gadhave, K., S. Adkins, A. Sparks, B. Dutta, T. Coolong, and R. Srinivasan. 2018. First Report of Cucurbit yellow stunting disorder virus in cucurbits in Georgia, United States. Plant Health Progress 19: 9-10. (*Postdoctoral associate).
Shrestha, A., D. E. Champagne, A. K. Culbreath, D. Rotenberg, A. E. Whitfield, and R. Srinivasan. 2017. Transcriptome changes associated with Tomato spotted wilt virusinfection in various life stages of its thrips vector, Frankliniella fusca (Hinds). Journal of General Virology. DOI 10.1099/jgv.0.000874
Srinivasan, R., M. R. Abney, A. K. Culbreath, R. C. Kemerait, R. S. Tubbs, W. S. Monfort, H. R. Pappu. 2017. Three decades of managing Tomato spotted wilt virus in peanut in southeastern United States. Virus Res. May 24. pii: S0168-1702(16)30709-2. doi: 10.1016/j.virusres.2017.05.016. [Epub ahead of print].
Barman, A. K., K. R. Gadhave, B. Dutta, and R. Srinivasan. 2017. Plasticity in host utilization by two host associated populations of Aphis gossypii Glover. Bulletin of Entomological Research. In press (*Postdoctoral associate).
Dempsey, M., D. G. Riley, and R. Srinivasan. 2017. Insecticidal effects on the spatial progression of tomato yellow leaf curl virus and its whitefly vector in tomato. J. Econ. Ent. J Econ Entomol. 2017 Jun 1;110(3):875-883. doi: 10.1093/jee/tox061.
Beyer, A. B., R. Srinivasan, P. M. Roberts, and M. Abney. 2017. Biology and Management of the Threecornered Alfalfa Hopper (Hemiptera: Membracidae) in Alfalfa, Soybean, and Peanut. Journal of Integrated Pest Management. 8 (1): 10.
Fletcher, S. J., A. Shrestha, J. R. Peters, B. J. Carroll, R. Srinivasan, H. Pappu H and N. Mitter. 2016. The Tomato Spotted Wilt Virus Genome Is Processed Differentially in its Plant Host Arachis hypogaea and its Thrips Vector Frankliniella fusca. Front. Plant Sci. 7:1349. doi: 10.3389/fpls.2016.01349.
Dutta, B., R. Gitaitis, A. K. Barman, U. Avci, K. Marsigan, and R. Srinivasan. 2016. Interactions between Frankliniella fusca and Pantoea ananatis in the center rot epidemic of onion (Allium cepa). Phytopathology 106(9):956-62.
Marasigan, K., M. Toews, R. Kemerait, M. R. Abney, A. Culbreath, and R. Srinivasan. 2016. Evaluation of alternatives to carbamate and organophosphate insecticides against thrips and tomato spotted wilt virus in peanut production. J. Econ. Ent. 109:544-557. (*Graduate student)
Culbreath, A. K, A. C. Selph, B. W. Williams, R. W. Kemerait, R. Srinivasan, M. R. Abney B. L. Tillman, C. C. Holbrook, and W. D. Branch. 2016 Effects of new field resistant cultivars and in-furrow applications of phorate insecticide on tomato spotted wilt of peanut Crop Protection 81: 70-75.
Srinivasan, R., and D. Buntin. 2016. Insect transmitted viruses in Canola. In G.V.P. Reddy (ed.), Integrated management of insect pests of canola and other brassica oilseed crops. Pp 305-315, CABI Publishing, Switzerland.
Riley, D., A. Sparks, R. Srinivasan, G. Kennedy, G. Fonsah, and J. Scott. 2016. Thrips: Vector biology and management. In W. Wakil, G. Brust, and T. Perring [Eds]. Sustainable Management of Arthropod Pests of Tomato. 30 Pp. Elsevier Academic Press, Netherlands.
*Legarrea, S., A. Barman, W. Marchant, S. Diffie, and R. Srinivasan. 2015. Temporal effects of a Begomovirus infection and host plant resistance on the preference and development of an insect vector, Bemisia tabaci, and implications for epidemics. PLoS ONE 10(11): e0142114. doi:10.1371/journal. pone.0142114. (*Postdoctoral associate)
Chitturi, A., D. Riley, C. Nischwitz, R. Gitaits, and R. Srinivasan. 2015. Thrips settling, oviposition and IYSV distribution on onion foliage. J. Econ. Entomol. 108: 1164-1175
*Shrestha, A., S. Sundaraj, A. Culbreath, D. Riley, M. Abney, and R. Srinivasan. 2015. Effects of thrips density, mode of inoculation, and plant age on Tomato spotted wilt virustransmission in peanut plants. Env. Ent. 44:136-143. (*Graduate student)
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 104: 812-819.
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. 43: 410-420.
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 virusincidence 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.