Scientist Profile

Dr.R.Ramesh

Dr.R.Ramesh

Principal Scientist,(Plant Pathology) Division - Crop Protection
ICAR SBI, Coimbatore 641041, TN India E-mail :r.ramesh@icar.org.in
  • Colletotrichum falcatum pathogen diversity, virulence, detection and genomics
  • Sugarcane- Colletotrichum falcatum interaction
  • Disease resistance and management of red rot and smut in sugarcane
  • Genome editing for sugarcane disease management
  • Indian Phytopathological Society, New Delhi, India
  • Indian Society of Vegetable Science, Varanasi, India
  • Plant Protection Association of India, Hyderabad, India
  • Biocontrol Advancement, Bangalore, India
  • Asian PGPR Society, India
  • Society for Sugarcane Research and Development
  • One year training (2011-12) at University of Georgia, USA to study the role of extracellular proteins secreted by Type II Secretion System (T2SS) of Ralstonia solanacearum on the virulence of tomato.
  • DBT- CREST award 2010-11 for one year training in University of Georgia, Athens, USA.
  • Fellow of National Academy of Biological Sciences (2014), Chennai.
  • Fellow of Indian Phytopathological Society (2020), New Delhi
  • Singh, D.P., Ramesh, R., Maurya, S., Yerasu, S.R., Satnami, L., Prabha, R., Sarma, B.K. and Rai, N., 2025. Metabolic reprogramming of tomato plants under Ralstonia solanacearumPlant Stress. p.100804. doi.org/10.1016/j.stress.2025.100804.
  • Maruthadurai, R., Das, B., Ramesh, R. and Kumar, P. 2024. Predicting climate change impacts on potential distribution of cashew stem and root borer Neoplocaederus ferrugineus in India based on CMIP6 projections. Theoretical and applied climatology. 155(7): 6737-6748.org/10.1007/s00704-024-05017-2
  • Patel, R., Vinchurkar, M., Shaikh, A.M., Patkar, R., Naik, T., Adami, A., Giacomozzi, F., Ramesh, R., Pramanick, B., Lorenzelli, L. and Shojaei Baghini, M. 2023. Green synthesized silver nanoparticles functionalized interdigitated electrodes for bacterial sensing using non-faradaic electrochemical impedance spectroscopy. Micro and Nano Engineering. doi.org/10.1016/j.mne.2023.100231.
  • Patel, R., Vinchurkar, M., Shaikh, A.M., Patkar, R., Adami, A., Giacomozzi, F., Ramesh, R., Pramanick, B., Lorenzelli, L. and Shojaei Baghini, M. 2023. Part II: Impedance-based DNA biosensor for detection of isolated strains of phytopathogen Ralstonia solanacearum. Bioelectrochemistry 153: org/10.1016/j.bioelechem.2023.108500.
  • Patel, R., Vinchurkar, M., Shaikh, A.M., Patkar, R., Adami, A., Giacomozzi, F., Ramesh, R., Pramanick, B., Lorenzelli, L. and Shojaei Baghini, M2023. Part I: Non-faradaic electrochemical impedance-based DNA biosensor for detecting phytopathogen – Ralstonia solanacearum. Bioelectrochemistry 150: doi.org/10.1016/j.bioelechem.2023.108370.
  • Ramesh, R., D’Souza, M., Asolkar, T., Achari, G. and Maruthadurai, R. 2023. Evaluation of bacterial wilt resistant brinjal lines and field performance of bacterial wilt resistant brinjal varieties in the Coastal region. Indian Phytopathology. 76: 317-322. https://doi.org/10.1007/s42360-022-00589-3
  • Maruthadurai, R., Das, B. and Ramesh, R.Predicting invasion risk of rugose spiralling whitefly, Aleurodicus rugioperculatus in India based on CMIP6 projections by MaxEnt. Pest Management Science. https://doi.org/10.1002/ps.7199
  • Pothiraj, G., Hussain, Z., Singh, A.K., Solanke, A.U., Aggarwal, R., Ramesh, R. and Shanmugam, V. 2021. Characterization of Fusarium inciting vascular wilt of tomato and its management by a Chaetomium-based biocontrol consortium. Frontiers in Plant Science. 12: 748013. doi: 10.3389/fpls.2021.748013. Erratum in: Front Plant Sci. 2022 Feb 25;13:861822. PMID: 34868132; PMCID: PMC8640237.
  • Ramasamy, M. Das, B. and Ramesh, R. 2021. Predicting climate change impacts on potential worldwide distribution of fall armyworm based on CMIP6 projections. Journal of Pest Science. 95: 841-854. https://doi.org/10.1007/s10340-021-01411-1
  • Ramesh, R., D’Souza, M., Asolkar, T., Achari, G. Gaitonde, S. and Thangam, M. 2021. Field evaluation of bacterial wilt resistant lines and identification of promising bacterial wilt resistant varieties for Coastal region. Indian Phytopathology. 74: 1129-1134. https://doi.org/10.1007/s42360-021-00371-x
  • Loganathan, M., Thangavelu, R., Pushpakanth, P., Muthubharathi, K., Ramesh R., Selvarajan, R and Uma, S. 2021. First report of rhizome rot of banana caused by Klebsiella variicola in India. Plant Disease https://doi.org/10.1094/PDIS-10-20-2316-PDN
  • Asolkar, T. and Ramesh, R. 2020. The involvement of the Type Six Secretion System (T6SS) in the virulence of Ralstonia solanacearumon brinjal. 3 Biotech 10,  doi.org/10.1007/s13205-020-02311-4
  • Maruthadurai, R. and Ramesh, R. Occurrence, damage pattern and biology of fall armyworm, Spodopterafrugiperda (J.E. smith) (Lepidoptera: Noctuidae) on fodder crops and green amaranth in Goa, India. Phytoparasitica. 48: 15-23. doi.org/10.1007/s12600-019-00771-w
  • Aslokar, T. and Ramesh, R. Identification of virulence factors and type III effectors of Phylotype I, Indian Ralstonia solanacearum strains Rs-09-161 and Rs-10-244. Journal of Genetics. 97 (1): 55-66. doi.org/10.1007/s12041-018-0894-z
  • Achari, G.A. and Ramesh, R. Colonization of eggplant by endophytic bacteria antagonistic to Ralstonia solanacearum, the bacterial wilt pathogen. Proceedings of National Academy of Sciences, India Section B: Biological Sciences. 89 (2): 585-593. doi.org/10.1007/s40011-018-0972-2
  • Aslokar, T. and Ramesh, R. Development of T3SS mutants (hrpB–and hrcV–) of Ralstonia solanacearum, evaluation of virulence attenuation in brinjal and tomato- A pre-requisite to validate T3Es of R. solanacearum. Indian Journal of Microbiology. 58 (3): 372-380. doi.org/10.1007/s12088-018-0736-y
  • Mahajan, G.R., Manjunath, B.L., Singh, N.P., Ramesh, R.,Latare A.M., D’Souza, R., Barnes, N. and Kulkarni, R. 2017.Effect of organic and inorganic sources of nutrients on soil microbial activity and soil organic carbon build up under rice in west coast of India. Archives of Agronomy and Soil Science. 63 (3): 414-426. doi: 10.1080/03650340.2016.1213813
  • Ramesh, R. and Singh, N.P. 2017. Field evaluation of talc formulation of Trichoderma for the management of Fusarium wilt in watermelon. Indian Phytopathology, 70 (1): 75-79. DOI 10.24838/ip.2017.v70.i1.49000
  • Gaitonde, S. and Ramesh, R. Screening plant products for Ralstonia solanacearum inhibition and characterization of antibacterial compounds in Garcinia indica, Tamarindus indica. Proceedings of National Academy of Sciences, India Section B: Biological Sciences. 88: 265-276. DOI: 10.1007/s40011-016-0755-6.
  • Ramesh, R., Achari, G., Asolkar, T., DSouza, M. and Singh, N.P. 2016. Management of bacterial wilt of brinjal using wild brinjal (Solanum torvumSw) as root stock. Indian Phytopathology, 69 (3): 260-265.
  • Achari, G.A. and Ramesh, R. 2015. Characterization of bacteria degrading 3-hydroxy palmitic acid methyl ester (3OH-PAME), a quorum sensing molecule of Ralstonia solanacearum. Letters in Applied Microbiology. 60 (5): 447-455. doi: 10.1111/lam.12389.
  • Ramesh, R., Achari, G.A. and Gaitonde, S. 2014. Genetic diversity of Ralstonia solanacearum infecting solanaceous vegetables from India reveals the existence of unknown or newer sequevars of Phylotype I strains. European Journal of Plant Pathology. 140 (3): 543-562. doi:1007/s10658-014-0487-5
  • Ramesh, R., Gaitonde, S., Achari, G., Asolkar, T., Singh, N.P., Carrere, S., Genin, S. and Peeters, N. 2014. Genome sequencing of Ralstonia solanacearum biovar 3, phylotype I strains Rs-09-161 and Rs-10-244, isolated from eggplant and chilli in India. Genome Announcement.  2(3):e00323-14. doi:10.1128/genomeA.00323-14.
  • Achari, G.A. and Ramesh, R. Diversity, biocontrol, and plant growth promoting abilities of xylem residing bacteria from solanaceous crops.International Journal of Microbiology, vol. 2014, Article ID 296521, 14 pages, doi:10.1155/2014/296521
  • Ramesh, R. and Phadke, G.S. 2012. Rhizosphere and endophytic bacteria for the suppression of eggplant wilt caused by Ralstonia solanacearum. Crop Protection. 37: 35-41. DOI:10.1016/j.cropro.2012.02.008
  • Ramesh, R., Anthony, J., Jaxon, T.C.D., Gaitonde, S. and Achari, G. 2011. PCR based sensitive detection of Ralstonia solanacearum from soil, eggplant, seeds and weeds. Archives of phytopathology and plant protection. 44 (19): 1908-1919. DOI: 10.1080/03235408.2010.516087
  • Ramesh, R. and Korikanthimath, V. S. 2010. Seed treatment with bacterial antagonists – A simple technology to manage groundnut root rot under residual moisture conditions. Journal of Biological Control 24: 58-64.
  • Ramesh, R., Joshi, A. A and Ghanekar, M.P. 2009. Pseudomonads: major antagonistic endophytic bacteria to suppress bacterial wilt pathogen, Ralstonia solanacearum in the eggplant (Solanum melongena). World Journal of Microbiology and Biotechnology25:47–55. DOI:10.1007/s11274-008-9859-3
  • Ramesh, R., Ghanekar, M.P. and Joshi, A. A. 2009. Potential rhizobacteria for the suppression of bacterial wilt pathogen, Ralstonia solanacearum in eggplant (Solanum melongena). Vegetable Science 36: 193-199.
  • Ramesh, R., Mathew, T. and Singh, N. 2009. Role of Chitinolytic enzymes and volatile compounds produced by endophytic bacteria in the inhibition of mango (Mangifera indica) root rot pathogens. Journal of Biological Control. 23: 433-441.

 Books and Book chapters

  • Microbial diversity and its applications. 2013. (Eds. Barbuddhe, S.B., Ramesh and Singh, N.P.). New India Publishing Agency, New Delhi p244. ISBN: 9789381450666.
  • Ramesh, R., Gaitonde, S. and Achari, G. 2013. Genetic diversity of Ralstonia solanacearum, a phytopathogenic bacterium infecting solanaceous vegetables using REP-PCR and PFGE. In: Microbial diversity and its applications. 2013. (Eds.) S.B. Barbuddhe, Ramesh and N.P. Singh. New India Publishing Agency, New Delhi pp119-128. ISBN: 9789381450666.
  • Ramesh, R. Management of Plant Pathogens. In: Arbuscular mycorrizal fungi in fruit crop production. 2016. (Eds.) Sukhada Mohandas and P. Panneerselvam. Daya Publishing House, A division of Astral International Pvt. Ltd. New Delhi pp 194-230. ISBN: 9789351246640.
  • Ramesh, R., Achari, G. and D’Souza, M. 2017. Biological control of bacterial wilt of solanaceous vegetable crops. In: Biological control of crop diseases: Recent advances & perspectives. (Eds.) Singh, D. Chakraborty, B.N., Pandey, R.N. and Sharma, P. Today & Tomorrow’s Printers and Publishers, New Delhi, India. Pp157-178. ISBN: 81-7019-592-2. (p407)
  • Achari, G. and Ramesh, R. Recent advances in quorum quenching of plant pathogenic bacteria. In: Advances in Biological Science Research- A Practical Approach. (Eds.) Meena, S.N. and Naik, M.M. Academic Press (Elsevier). London, United Kingdom. Pp 233-245. ISBN: 978-0-12-817497-5. (p550)
  • Ramesh, and Faleiro, J.R. 2008. Training manual on ESDP on Biotechnology (Bio-fertilizers & Bio-pesticides). ICAR Research Complex for Goa, Old Goa, Goa India. p126.
  • Ramesh, R. and Korikanthimath, V.S. 2010. Consortium of antagonistic bacteria improves growth in eggplant (Solanum melanogena ). In: Plant growth promotion by rhizobacteria for sustainable agriculture (Eds. Reddy, M.S., Desai, S., Sayyed, R.Z., Sarma, Y.R., Rao, V.K., Reddy, B.C., Reddy, K.R.K., Podile, A.R. and Kloepper, J.W.) Scientific Publishers (India) pp 132-135. ISBN: 9788172336608 (p624)
  • Ramesh, R., Phadke, G. S. and Bhosle, S. 2010. Inhibition of Ralstonia solanacearum by antagonistic bacteria: mechanisms of antagonism. In: Plant growth promotion by rhizobacteria for sustainable agricultre (Eds. Reddy, M.S., Desai, S., Sayyed, R.Z., Sarma, Y.R., Rao, V.K., Reddy, B.C., Reddy, K.R.K., Podile, A.R. and Kloepper, J.W.) Scientific Publishers (India) pp 136-141. ISBN: 9788172336608 (p624)