♣ Pathogen Diversity, Virulence, Detection and Genomics

♣ Host-pathogen interaction

♣ Disease resistance and management

♣ Biological control and bio-formulations

♣ Ph. D: 3

♣ M. Sc.: 19

♥ Outreach project on Phytophthora, Fusarium and Ralstonia diseases of horticulture and field crops (Phase I&II) Sub project: Ralstonia (ICAR funded)- PI (2008-2017)

♥  Production and formulation technology refinement of bacterial bio-agents for soil borne plant disease management under coastal ecosystems- phase-I (ICAR funded)- PI (2014-2017)

♥  Production and formulation technology refinement of bacterial bio-agents for soil borne plant disease management under coastal ecosystems- phase-II (ICAR funded)- PI (2017-2023)

♥  Learning and capacity building of component-I (NAIP, ICAR funded)- PI (2013-2014)

♥  Development of INM package for commercially important plantation crops. Sub project: Microbial inoculant based nutrient management in cashew (DBT funded) PI (2008-2011)

♥  Management of economically important insect pests with the use of pheromone technology through trainings and demonstrations (NABARD funded)- Co-PI (2017-2019)

♥  Empowerment of farmers through adoption of sustainable and Eco-friendly Integrated Pest and Disease Management technologies in major vegetables crops in Goa (NABARD funded)- Co-PI (2020-2021)

♥  Development of improved cultivation package of Ramie (Boehemeria nivea L. Guad) for different agro-climatic conditions and technological improvement of the fibre for textile (ICAR funded) Co-PI (2005-2008)

♦ 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: doi.org/10.1016/j.bioelechem.2023.108500.

♦ Patel, R., Vinchurkar, M., Patkar, R., Ramesh, R., Shojaei Baghini, M. 2023. Identification, characterization, isolation and pathogenicity study of Ralstonia solanacearum: Foundation for development of a highly selective DNA-biosensing platform. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences. doi.org/10.1007/s40011-023-01464-5

♦ 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

♦ Ramesh, R., D’Souza, M., Asolkar, T., Achari, G. and Gupta, M.J. 2022. Rootstocks for the management of bacterial wilt in eggplant (Solanum melongena L.) and tomato (Solanum lycopersicum L.) in the coastal regions of India. Advances in Agriculture, vol. 2022, Article ID 8594080 10 pages.doi.org/10.1155/2022/8594080

♦ Pothiraj, G., Hussain, Z., Singh, A.K., Solanke, A.U., Aggarwal, R., Ramesh, R. and Shanmugam, V. 2021. Characterization of Fusarium spp. 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. 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. The involvement of the Type Six Secretion System (T6SS) in the virulence of Ralstonia solanacearum on brinjal. 3 Biotech 10, 324. 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

♦ Achari, G.A. and Ramesh, R. Characterization of quorum quenching enzymes from endophytic rhizosphere colonizing bacteria. Biocatalysis and Agricultural Biotechnology, 13: 20-24. doi.org/10.1016/j.bcab.2017.11.004

♦ 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

♦ 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 torvum Sw) as root stock. Indian Phytopathology, 69 (3): 260-265.

♦ Achari, G.A. and Ramesh, R. 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:10.1007/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. 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 L.). World Journal of Microbiology and Biotechnology25:47–55. DOI:10.1007/s11274-008-9859-3

♥ 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. 2016. 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. 2019. 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, R. and Korikanthimath, V.S. 2010. Consortium of antagonistic bacteria improves growth in eggplant (Solanum melanogena L.). 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)

♥ 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