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Ajaikumar, S., Siby Mathew, R. Raj Kumar and P. Mohan Kumar (2014). Mechanical harvesting in tea: A case study of Pasuparai estate. Journal of Plantation Crops. 42(2): 201-214.

Ajay, D. and Baby, U.I. 2010. Induction of systemic resistance to Exobasidium vexans in tea through SAR elicitors. Phytoparasitica 38: 53 – 60.

Ashokraj, S., P. Vijaya Kumar, E. Edwin Raj, L. Vivekanandan, K.N. Chandrashekara, B. Radhakrishnan and R. Raj Kumar (2014). Physiological and Biochemical Evaluation of field grown F1 tea progenies. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Ashokraj, S., Vijayakumar, P., Edwin Raj, E., Vivekanandan, L., Chandrashekara, K.N. and Raj Kumar, R. 2014. Generating the plant diversity through controlled hybridization. Paper presented at the National seminar on “Biodiversity conservation-Status, future and way forward” organized by National Academy of Biological sciences and KSR College of Technology, Tiruchengode on 19th& 20th July 2014. pp.716.

Babu, A. and Sankara Rama Subramaniam, M. 2011. Effect of TICKEX-EC against Red spider mite and thrips. Colony establishment of PGPRS in vermicompost of coir pith. Newsletter of UPASI Tea Research Foundation. 21(1):5.

Babu, A. Vasanthakumar, D. Jasin Rahman, V.K. Roobakkumar, A and C. Sundaravadivelan. 2011.Potential of Mallada boninensis Okamoto (Neuroptera: Chrysopidae), as a biocontrol agent of Oligonychus coffeae Nietner (Acarina: Tetranychidae) infesting tea. J Plant Crops 39 (1):193-195.

Balamurugan, A., Bagyalakshmi, B.,  Nepolean, P., Kuberan, T., Mareeswaran, J., Jayanthi, R and Princy, T (2015), Exploitation of Pseudomonas sp. for disease control and productivity in tea. International Journal of Multidisciplinary Research and Development, 2(2): 227-235.

Balamurugan, A., Beulah, T., Princy, T. and Premkumar, R. 2013. Effect of NKAE residue on establishment of beneficial bioinoculants used in tea.Conference Souvenir on New opportunities and challenges in microbial research, Bharathidasan University, Tiruchirappalli. (Abstract). p.30.

Balamurugan, A., Beulah, T., Princy, T., Jayanthi, R., Nepolean, P., Kuberan, T., Premkumar, R. 2013. Compatibility among indigenous PGPR strains in tea in national conference on microbial technology for sustainable development (NCMITSUD) organized by Department of Biology, The Gandhigram Rural Institute – Deemed University, Dindiguldistrict, Tamil Nadu, India. pp: 15.

Balamurugan, A., Jayanthi, R. and Premkumar. R. 2011. Integrated nutrient management (INM) in tea with special reference to biofertilizers. p.71. Current trends in biotechnological strategies for eco-friendly crop protection.

Balamurugan, A., Jayanthi, R., Mareeswaran, J., and Premkumar, R. 2013. Bioefficacy of Lecanicillium lecanii against tea diseases and its compatibility with entomopathogens. Newsl. UPASI Tea Res. Foundn. 23(2): 2-3.

Balamurugan, A., Jayanthi, R., Nepolean, P., Vidhya Pallavi, R. and Premkumar, R. 2011. Studies on cellulose degrading bacteria in tea garden soils. African J.Pt.Sci . 5(1):22-27.

Balamurugan, A., Jayanthi, R., Vidhya Pallavi, R. and Premkumar, R. 2011. Colony establishment of PGPRS in vermicompost of coir pith. Newsletter of UPASI Tea Research Foundation. 21(1):5.

Balamurugan, A., Nepolean, P., Kuberan, T. and Premkumar, R. 2011. Effect of vesicular-arbuscular mycorrhizae on productivity of mature tea.  Newsletter of UPASI Tea Research Foundation. 21(1):2.

Balamurugan, A., Princy, T., Vidhya Pallavi, R., Nepolean, P., Jayanthi, R. and Premkumar, R. 2010.Isolation and characterization of phosphate solubilising bacteria in tea (Camellia sinensis). J. Biosci. Res. 1(4):285-293.

Balamurugan, A., Bagyalakshmi, B., Nepolean, P., Kuberan, T., Mareeswaran, J., Jayanthi, R. and Princy, T. 2015. Exploitation of Pseudomonas sp. for disease control and productivity in tea. International Journal of Multidisciplinary Research and Development, 2(2): 227-235.

Balamurugan, A., Jayanthi, R., Beulah, T. and Prem Kumar, R. 2011. Interactions among beneficial soil microbes. Newsletter of UPASI Tea Research Foundation. 21(2): 4.

Chandrashekara, K. N., Raj Kumar, R., Vikas Kumar., Dhriti Banerjee., Shantanu Kundu., Biswatosh Ghosh and Kaomud Tyagi. (2015). DNA Barcoding Reveals Host Associated Genetic Diversity of ‘Tea Mosquito Bug’ Helopeltis theivora (Miridae: Heteroptera) from India. Journal of Asia-Pacific Entomology. 18(3): 541-545 (DOI:10.1016/j.aspen.2015.07.004)

Chandrashekara, K.N. (2015). Generation of haploids in tea. Presented in: Tenth Workshop of NTRF on Crop improvement, integrated pest management and human health held on 19-20th May 2015 at Kolkata, West Bengal, India. 9-10.

Chandrashekara, K.N. (2015). Lectins: an alternative biotic stress management system in tea. Presented in: Tenth Workshop of NTRF on Crop improvement, integrated pest management and human health held on 19-20th May 2015 at Kolkata, West Bengal, India. 5-6.

Chandrashekara, K.N., M. Nalina, A. Kalaivani, D. Vasanthakumar, P. Nepolean and R. Raj Kumar (2014). Production of recombinant monocot mannose binding lectin and its application in tea. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Chandrashekara, K.N., Suganthi, M. and Raj Kumar, R. 2013. Characterization of chitinase gene from Bacillus cereus. Newsl. UPASI Tea Res. Foundn. 23(2): 3.

Daisylin Anbu Sujitha, S., Senthil Kumar, R.S., Kottur, G. and Murugesan, S. 2011. Extraction of polyphenols from green tea and their external addition during fermentation on black tea quality. Journal of Biosciences Research 2(4):176-182.

Durairaj, J. 2013. Nursery management in tea (Tamil version). A manual prepared for tea growers of scheduled caste category of southern India with new technologies of tea production. UPASI Tea Research Foundation, Tea Research Institute, Valparai 642 127, Coimbatore District, Tamil Nadu. p.18.

Durairaj, J. 2013. Training manual (Tamil version).Training for tea growers of scheduled caste category of Southern India with new technologies of tea production. p.18. UPASI Tea Research Foundation, Tea Research Institute, Nirar Dam Post, Valparai 642 217, Coimbatore District, Tamil Nadu.

Durairaj, J., Hudson, J.B., Muraleedharan, N. and Perumalsamy, K. 2011. Establishment of young tea in an organic way. Planters’ Chronicle 107(7):5-17.

Edwin Raj, E., Ashokraj, S.,  Vijaya Kumar, P.,  Vivekanadan, L., Chandrashekara, K. N and Raj Kumar, R. (2015). Screening of tea progenies for tolerance to drought stress using multivariate statistical techniques. Scientia Horticulturae.197:157-165 (DOI: 10.1016/j.scienta.2015.09.027)

Edwin Raj, E., Suraj, R., Anbu Raj, J. and Raj Kumar, R. 2011. Characterization of F1 progenies of tea for drought. p.13. In: Proceedings of Gregor Mendel Foundation Seminar 2011 (National Seminar on Genetics, Breeding and Biotechnology), University of Calicut, Kerala.

Jagadish, R., Palani, N., Balasubaramanian, K., Poobathiraj, K. and Kumaraguru, R. 2013. Foliar application of Mangala products (Bio 20 and 3X) in tea. Newsl. UPASI Tea Res. Foundn. 23(2): 2.

Jasin Rahman, V., Babu, A., Roobak Kumar, A., Perumalsamy, K., Vasantha Kumar, D. and Sankara Rama Subramaniam, M. 2011. Efficacy, prey stage preference and optimum predator-prey ratio of the predatory mite Neoseiulus longispinosus Evans (Acari: Phytoseiidae) to control the red spider mite Oligonychus coffeae Nietner (Acari: Tetranychidae) infesting tea. Archives of Phytopathology and Plant protection DOI:10.1080/03235408. 2011.591203.

Jayaganesh, S., Venkatesan, S. and Senthurpandian, V.K. 2011. Impact of different sources and doses of magnesium fertilizer on biochemical constituents and quality parameters of black tea. Asian Journal of Biochemistry 6 (3): 273-281.

Jayaganesh, S., Venkatesan, S. Senthurpandian, V.K. and Poobathiraj, K. 2011. Vertical distribution of magnesium in the laterite soils of south India. International Journal of Soil Science 6(1): 69-76.

Jayanthi, R. 2015. Molecular identification of PGPR and biocontrol agents identified as Streptomyces sp.CAS4 (IMI 504702), AAS2 IMI 504703), AAS7 (IMI 504704), AAS6 (IMI 504705), APSA6 (IMI 504706), ACLB (IMI 504710), CTRR (IMI 504711). Micobial Identification Service, CABI Europe, UK, recognized by UK Government on March 30.

Jayanthi, R., A. Balamurugan, J. Mareeswaran, P. Nepolean, R. Premkumar and B. Radhakrishnan (2014). Bioefficacy of certain actinomycetes against pest and diseases in tea. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014, PP 150.

Jayanthi, R., Balamurugan, A., Princy, T., Beulah, T. and Premkumar, R. 2013. Survival of actinomycetes in organic carrier materials for tea field application. Newsl. UPASI Tea Res. Foundn. 23(1): 5.

Jibu Thomas and Raj Kumar, R. 2011. DNA loci based characterization of tea germplasm for screening accessions with quality traits. Journal of Plantation Crops 39 (1): 216-219.

Jibu Thomas, Amarchand Chordia, Raj Kumar, R. and Mandal, AKA. 2011. Genetic diversity assessment of the promising natural variants of tea identified for yield and quality by DNA marker. (Abstract). In: Proceedings of 98th Indian Science Congress (Pl. Sci), Kolkatta.

Jibu Thomas, Shalini, D., Muralidaran, S. and Raj Kumar, R. 2011. Drought induced oxidative stress response and expression of flavanol synthesizing genes in young plants of Camellia sinensis. p.203. Abstracts of International Conference on New Horizons in Biotechnology (NHBT 2011). National Institute for Interdisciplinary Science and Technology (CSIR), Trivandrum and Biotech Research Society, India. Ed. Binod Parameswaran, National Institute for Interdisciplinary Science and Technology (CSIR) Trivandrum, Sree Printers Trivandrum, Kerala.

JibuThomas, Raj Kumar, R., Mandal, A.K.A., and Muraleedhran, N. 2013. Impact of continuous mechanical harvesting on leaf leatheriness and possible alleviation measures. Journal of Plantation Crops, 41(2):196-201.

Kalaivani, A., Sathyapriya, P.,  Arvinth, S., Raj Kumar, R. and Mohan Kumar, P.  2013. Bio-efficacy of pumpkin phloem lectin on red spider mite, Oligonychuscoffeae (Nietner) infesting tea. Journal of PlantationCrops, 41(2): 247-250.

Kalaivani, A., Sathyapriya, P., Arvinth, S. and Raj Kumar, R. 2011. Biotic stress management in tea with garlic leaf lectin. Newsletter of UPASI Tea Research Foundation. 21(2): 4.

Kalidass, S., Vasantha, V.S., Senthil Kumar, R.S. and Raj Kumar, R. 2012. Studies on the impact of certain new enzymes on CTC black tea quality. Abstract ETC-04. National seminar on emerging trends in chemistry. Cardamom Planter’s Association College, Bodinayakanur, Theni District 625513, Tamil Nadu.

Kalidass, S., Vasantha, V.S., Senthil Kumar, R.S. and Raj Kumar, R. 2012. Studies on biochemical changes during withering process on black tea manufacture.Abstract.National level seminar on “Topical drifts in nanotechnology and bioinorganic chemistry. NadarSaraswathi College of Arts and Science, Theni 625531, Tamil Nadu.

Kavitha, A.S., Kirubakaran, D., Madasamy, K. and Shanmugaselvan, V.A. 2010. Effect of multiple spray of hexaconazole in combination with copper oxychloride on deposition of its residue. Abstract PP-4, 35. Presented in NCCTC-10 held at Bharathiar University, Coimbatore.

Kottur, G., Nishadh, A. and Prem Anand, M. 2011. Iron fillings in different grades of black teas. Newsletter of UPASI Tea Research Foundation. 21(1):3.

Kottur, G., Venkatesan, S., Senthil Kumar, R.S. and Murugesan, S. 2011. Impact of genotype, seasons and manufacturing process on the activities of peptidase and lipoxygenase in tea. European Food Research and Technology 232:335-341.

Kottur, G., Daisylin Anbu Sujitha, S. and Senthil Kumar, R.S. 2011. Antioxidant properties of different types of tea. Newsletter of UPASI Tea Research Foundation. 21(2): 3.

Kuberan, T., Balamurugan, A., Nepolean, P., Vidhyapallavi, R., Jayanthi, R., Beulah T., Mareeswaran, J.andPremkumar, R. 2013. Abiotic and nutrient compound influencing spore germination and appressoria formation of causing G. cingulata brown blight in tea. Journal of Agricultural Technology in Southeast Asia (AATSEA). Vol. 9(7):

Kuberan, T., Balamurugan, A., Nepolean, P., Vidhyapallavi, R., Beulah, T., Mareeswaran J. and Premkumar, R. 2013. Genetic and colony morphology diversity of Glomerellacingulata causal agent of brown blight disease in tea in national conference on Microbial technology for sustainable development (NCMITSUD) organized by Department of Biology, The Gandhigram Rural Institute – Deemed University, Gandigram 624302. Dindigul district, Tamil Nadu, India.

Madasamy Kottiappan, Shanmugaselvan Veilumuthu Anandhan and Selvaganapathi Chandran. 2013. Estimation of Abamectin residues present in tea: High-Performance Liquid Chromatography Technique. ISRN Chromatography, http://dx.doi.org/10.1155/2013/18365 4.

Mareeswaran, J., Nepolean, P., Jayanthi, R., Premkumar, R., Radhakrishnan, B (2015) In vitro studies on branch canker pathogen (Macrophomasp.) infecting Tea.  J Plant PatholMicrob, 6: 284. doi:10.4172/2157-7471.1000284.

Marichamy, M., Shamkumar, K.V., Siby Mathew and Victor J. Ilango, R. 2013. Field evaluation of Basta in Kerala for weed management in tea. Newsl. UPASI Tea Res. Foundn. 23(2): 3.

Marichamy, M., Siby Mathew and Raj Kumar, R. 2011. Contribution of weeds to soil organic matter accumulation in tea plantations. Colony establishment of PGPRS in vermicompost of coir pith. Newsletter of UPASI Tea Research Foundation. 21(1):6.

Mohan Kumar, P., Raj Kumar, R. and Palani, N. 2011. UPASI Tea Research Foundation A Decade of Research: An overview (2001-2010). p. 26. UPASI Tea Research Foundation, Tea Research Institute, Valparai 642 127, Coimbatore District, Tamil Nadu.

Muraleedharan, N. (ed.) 2011. Glimpses of tea research. United Planters’ Association of Southern India, Coonoor, The Nilgiris. P.261.

Muraleedharan, N. 2011. Climate change and plantation crops. Planters’ Chronicle 107 (1): 5-6.

Naga Pavan Kumar, Ch., E. Edwin Raj, R. Raj Kumar, P. Mohan Kumar and K.N. Chandrashekara (2014). Stimulation of Callogenesis from Anthers of Chinery and Cambod Tea (Camellia sp.) Clones. International Journal of Advanced Biotechnology and Research. 5(34): 364-370

Nepolean, P., A. Balamurugan, R. Jayanthi, J. Mareeswaran and R. Premkumar (2014). Bioefficacy of certain chemical and biofungicides against Hypoxylon spp. causing wood rot disease in tea. Journal of Plantation Crops, 42 (3): 115-121.

Nepolean, P., Balamurugan, A., Prabakaran, P., Premkumar, R. and Radhakrishnan, B. 2013. Alternariaalternata a new foliar fungal pathogen of tea in Southern India.  Newsl. UPASI Tea Res. Foundn. 23(1): 3

Nepolean, P., Balamurugan, A., Vidhyapallavi, R., Mareeswaran J., Kuberan, T. and Premkumar, R. 2013.   Molecular identification of indigenous Hypoxylon sp. infecting wood rot disease in tea in national conference on microbial technology for sustainable development (NCMITSUD) organized by Department of Biology, The Gandhigram Rural Institute – Deemed University, Dindigul district, Tamil Nadu, India. pp: 19.

Nepolean, P., Jayanthi, R., Mareeswaran, J and Radhakrishnan, B. 2015. Plant Protection Development in Tea Plantations of South India in the Last Five Decades. Journal of Tea Science Research, Vol.5, No.7, 1-6(doi: 10.5376/JTSR.2015.05.0007.)

Nepolean, P., R. Premkumar, R. Jayanthi, J. Mareeswaran and B. Radhakrishnan (2014). Etiology and histopathological studies on wood rot disease in tea. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014, PP 152.

Nepolean, P., Vidhya Pallavi, R., Balamurugan, A. and Premkumar, R. 2011. Chemical and biological control of wood rot disease (Hypoxylon sp.) in tea. Abstract. p. 12. Current trends in biotechnological strategies for eco-friendly crop protection.

Nepolean, P., Jayanthi ,R., Mareeswaran, J., Radhakrishnan, B. and Premkumar, R. 2015. Cylindrocladiumsp. CAK -1 (KP972551) in tea leaves. NCBI gene bank database published June 20.

Nisha, S.N. , G.R. Prabhu and A.K.A. Madal (2014). A rapid and simple chitinase assay to screen tea genotype for resistance against blister blight. Journal of Plantation Crops. 42(2): 201-214.

Nisha, S.N., Prabhu, G.R., Mandal, A.K.A. and Arvinth, S. 2011. Purification and molecular characterization of chitinase from tea leaves (Camellia sinensis (L.) O. Kuntze). P.33. In: Abstracts. Tea: Scope for Tomorrow… 2011. World Tea Science Congress. Tea Research Association, Jorhat, Assam.

Palani, N., Poobathiraj, K and Radhakrishnan, B. 2015. Role of humic acid in increasing nutrient efficiency. Planters’ Chronicle. 111 (9): 31-34.

Palani, N., Radhakrishnan, B. and Balasubramanian, K. 2015. Manuring of tea in south India. Revised recommendations (2015).  Issued to the Handbook of Tea Culture. Section 11. Copyright: UPASI Tea Research Foundation, Tea Research Institute, Valparai 642 127, Coimbatore District, Tamil Nadu, India.

Poobathiraj, K., V.K. Senthurpandian and N. Palani. Influence of humic acid with organic and inorganic fertilizers on yield, nutrient status and quality of mature tea. Extended abstract P. 67. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Poobathiraj, K. and Palani, N. 2011. Isolation of humic acid fractions from different tea growing soils of south India. Newsletter of UPASI Tea Research Foundation. 21(1):3.

Prabakaran, P. and Radhakrishnan, B. 2013. Studies on the efficacy of certain plant extracts against flush worm, Cydialeucostoma. Newsl. UPASI Tea Res. Foundn. 23(1): 3.

Premkumar, R., Nepolean, P, Vidhya Pallavi, R., Balamurugan, A., Jayanthi, R., Kuberan, T. and Beulah, T. 2011. Integrated disease management of grey blight in tea. Abstract. p.43. Tea: Scope for Tomorrow… 2011. World Tea Science Congress. Tea Research Association, Jorhat, Assam.

Premkumar, R., Nepolean, P.,  VidhyaPallavi, R., Balamurugan, A and Jayanthi, R. 2012. Integrated disease management of grey blight in tea.Two and a bud, 59:27-30.

Princy, T., A. Balamurugan, R. Jayanthi, P. Nepolean, J. Mareeswaran, T. Kuberan and R. Premkumar (2014).  Studies on mass multiplication and shelf life of biofertiliser formulations used in tea. American-Eurasian. J. Agric. & Environ. Sci. 14(6): 580-583.

Princy, T., Raj Kumar, R., Radhakrishnan, B., Mareeswaran, J., Jayanthi, R., Nepolean, P. (2015). Role of indigenous PGPR in integrated nutrient management of growth and development in tea nursery, International Journal of Current Research, Vol. 7, Issue, 08, pp.19821-19825.

Radhakrishnan B. and R. Raj Kumar (2014). Recent advances in tea research in south India. Souvenir of Golden Jubilee Celebration of UPASI Experimental Farm, Valparai held on Dec 19, 2014.

Radhakrishnan, B and Srikumar, K.K. 2015. Sex pheromone a new perspective in management of tea mosquito bug in tea. The Karnataka Planters’ Association Chikmagalur, 57th Annual Report and year book.pp.29-32.

Radhakrishnan, B and Srikumar, K.K. 2015. Sex pheromone a new perspective in management of tea mosquito bug in tea. Planters’ Chronicle 111(7) :5-10.

Radhakrishnan, B, and Prabhakaran, P. 2014.  Biocidal activity of certain indigenous plant extracts against red spider mite. Oligonychescoffeae(Nietner) infesting tea. J. Biopest:7(1):29-34

Radhakrishnan, B. 2011. Hairy caterpillar infesting tea. Planters’ Chronicle 107 (3): 5-6.

Radhakrishnan, B. 2011. Studies on effect of shear harvesting in TRF-1. Planters’ Chronicle 107 (2): 5-6.

Radhakrishnan, B. 2011. Tea. organic. Low carbon international symposium. Planters’ Chronicle 107(7):26-28.

Radhakrishnan, B. 2013. Bioecology and management of tea mosquito bug. Planters’ Chronicle 109(3): 5-9.

Radhakrishnan, B. 2013. Bioecology and management of tea thrips. Planters’ Chronicle 109(1): 5-9.

Radhakrishnan, B. and Durairaj, J. 2013. Economic analysis of organic tea cultivation. Planters’ Chronicle 109(6): 6-11.

Radhakrishnan, B. and Muraleedharan, N. 2011. Impact of different farming systems on the physicochemical and biological properties of tea soils. Planters’ Chronicle 107(7):19-24.

Radhakrishnan, B. and Muthukannan, P. 2011. Bush architecture studies on Darjeeling clones. Newsletter of UPASI Tea Research Foundation. 21(1):3.

Radhakrishnan, B. and Prabhakaran, P. 2011. Evaluation of certain indigenous plant extracts against blister blight. Newsletter of UPASI Tea Research Foundation. 21(2): 3.

Radhakrishnan, B. and Prabhakaran, P. 2011. Studies on the biological potency of certain indigenous plant extracts against the red spider mite Oligonychus coffeae (Neitner) infesting tea in southern India. p. 64. Abstracts of the National Seminar on Biotechnological Interventions in Green Technology for Sustainable Agriculture. Department of Biotechnology, Manonmaniam Sundaranar University, Alwarkurichi.

Radhakrishnan, B. and Premkumar, R. 2013. Pest and disease management in organic tea. p. 20. UPASI Tea Research Foundation, Tea Research Institute, Nirar Dam Post, Valparai 642127, Coimbatore District, Tamil Nadu.

Radhakrishnan, B., Durairaj, J. and Mohan Kumar, P. 2013. Organic tea crop guide: a manual for practitioners of organic tea (Revised edition). p. 69. UPASI Tea  Research Foundation, Tea Research Institute, Nirar Dam Post, Valparai 642127, Coimbatore District, Tamil Nadu.

Radhakrishnan, B., Muthukannan, P., Manigandan, N. and Santhosh Kumar, R. 2013. Growth performance of the tea clone TRF-1 under Nilgiri conditions. Journal of Plantation Crops, 41(2): 264-266.

Radhakrishnan, B., Srikumar, K.K. and Sureshkumar, B. 2015. Evaluation of Pyridaben 20 WP against red spider mite, Oligonychus coffeae Nietener infesting tea in southern India. Pest Management in Horticultural Ecosystems 21 (1): 65-68.

Radhakrishnan, B., Srikumar, K.K., Sureshkumar, B and Siby, M. 2015. Evaluation of cyflumetofen 20 SC against red spider mite (Oligonychus coffeae Nietener) infesting tea in southern India. Pestology 39 (9): 29-33.

Radhakrishnan, B., Udayabhanu, K.G. and Muthukannan, P. 2013. Studies on the effect of elemental sulphur for pH correction. Newsl. UPASI Tea Res. Foundn. 23(1): 5.

Radhakrishnan, B. and Muraleedharan ,N. 2011. Impact of different farming systems on the physico-chemical and biological properties of tea soils. pp. 121 128. In: Proceedings of Tea. Organic.Low Carbon International Symposium. (Eds.) Zhu Yongxing, Weng Wei and Gu Jiping, Tea Research Institute, Chinese Academy of Agricultural Sciences and Guangyuan Municipal Government of Sichuan Province.

Raina, S.N., Ahuja, P.S., Sharma, R.K., Das, S.C., Bhardwaj, P., Negi, R., Sharma, V., Singh, S.S., Sud, R.K., Kalia, R.K., Pandey, V., Banik, J., Razdan, V., Sehgal, D., Dar, T. H., Kumar, A., Bali, S.,Bhat, V., Sharma, S., Prasanna, B.M., Goel, S., Negi, M.S., Vijayan, P., Tripathi, S.B., Bera, B., Hazarika, M., Mandal, A.K.A., Kumar, R.R., Vijayan, D., Ramkumar, S., Chowdhury, B.R. and Mandi, S.S. 2011. Genetic structure and diversity of India hybrid tea. Genet Resour Crop Evol. DOI10.1007/s10722-011-9782-6.

Raj Kumar, 2013. Annual tea colloquium. Newsl. UPASI Tea Res. Foundn. 23(2): 1.

Raj Kumar, 2013. Interactive session with Chairman, Tea Board. Newsl. UPASI Tea Res. Foundn. 23(1): 1.

Raj Kumar, R. 2011. Catechins: Quality trait “Biomarkers in Tea”. Newsletter of UPASI Tea Research Foundation. 21(2): 2.

Raj Kumar, R. 2011. Dr. C.S. Venkata Ram Memorial Annual Tea Colloquium: 2011. Planters’ Chronicle 107(7):30-36.

Raj Kumar, R. 2011. Participatory role of biological components of tea plantations in carbon cycle. Planters’ Chronicle 107 (4&5): 5-8.

Raj Kumar, R. 2011. Plantation crops symposium XIX at Kottayam. Planters’ Chronicle 107 (2): 26-30.

Raj Kumar, R. 2011. Workshop on intellectual property rights (IPR). Planters’ Chronicle 107 (4&5):40-43.

Raj Kumar, R. and D. Shalini (2014). Changes in enzymes and substrates in tea crop shoots and impact of foliar application of ascorbic acid against soil stress. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Raj Kumar, R. and Mohan Kumar, P. 2011. A new recommendation on bioactive amino acid formulation in tea. Issued to the Handbook of Tea Culture, Section 24, p. 2. UPASI Tea Research Foundation, Tea Research Institute, Valparai 642 127, Coimbatore District, Tamil Nadu.

Raj Kumar, R. and Mohan Kumar, P. 2011. Impact of climate change on south Indian tea plantations. Planters’ Chronicle 107(9):5-18.

Raj Kumar, R., Edwin Raj, E. and Suganthi, M. 2011. Impact of foliar applied ECOGREEN on crop productivity. Newsletter of UPASI Tea Research Foundation. 21(1):4.

Raj Kumar, R., Edwin Raj, E. and Vivekanandan, L. 2013. Bioefficacy of Ratchet on crop promotion in tea. Newsl. UPASI Tea Res. Foundn. 23(2): 4.

Raj Kumar, R., Edwin Raj, E., Suganthi, M. and Vivekanandan, L. 2013. Bioefficacy of organic plus on crop productivity in tea. Newsl. UPASI Tea Res. Foundn. 23(1): 4.

Raj Kumar, R., Jibu Thomas and Mandal, A.K.A. 2011. Impact of continuous shear harvesting on photoassimilate compartmentalization in mature tea. Journal of Plantation Crops 39 (1): 228-231.

Raj Kumar, R., Radhakrishnan, B., Siby Mathew, Durairaj, J. and Mohan Kumar, P. 2011. Feasibility of biologically active, commercial amino acid formulations on crop productivity. Planters’ Chronicle 107(6):9-16.

Ramar Govindaraj, Ganapathy Pandiarajan, Balakumar Makeshkumar and Karuppasamy Sankarasivaraman. 2011. Beneficial usage of weeds in the tea fields of Pandalur Village, Nilgiris District,Tamil Nadu. Journal of BioScience Research 2(4):1-6.

Roobakkumar, A. Babu, A. Kumar, P and Muraleedharan, N. 2011. Variations in the esterase activity between two different population of the red spider mite, Oligonychus coffeae Nietner (Acarina:Tetranychidae) infesting tea. J. Biosci. Res. 2 (1): 5-9.

Roobakkumar, A. Jasin Rahman, V.K, Vasanthakumar, D. Babu A. and Subramaniam. M.S.R. 2011.Utilization of the bacterium, Pseudomonas putida as a potential biocontrol agent against red spider mite, Oligonychus coffeae, (Acarina: Tetranychidae) infesting tea. J Plantn Crops 39 (1).236-238.

Roobakkumar, A., Babu, A., Vasantha Kumar, D., Jasin Rahman, V. and Soumik Sarkar. 2011. Pseudomonas fluorescens as an efficient entomopathogen against Oligonychus coffeae Nietner (Acari:Tetranychidae) infesting tea. J. Entomol. Nematol. 3(7): 73-77.

Roobakkumar, A., Shanmugapriyan, R., Babu, A., Siby Mathew, Sankara Rama Subramaniam, M. and Muraleedharan, N. 2011. Relative susceptibility of tea mosquito to commonly used pesticides. Planters’Chronicle 107: 5-7.

Sankara Rama Subramaniam, M., Babu, A. Roobakkumar, A and Vasanthakumar, D. 2011. Utilization of an entomopathogenic fungus, Lecanicillium lecanii (Zimmermann) and neem kernel aqueous extract (NKAE) for the management of Scirtothrips bispinosus (Bagnall) infesting tea. J Plantn Crops, 39 (1).220-223.

Sarvottum D. Joshi., Balamurugan, A., Raghul, P.R., Mandal, A.K.A., Raj Kumar, R., Baby, U.I., Premkumar, R. and Muraleedharan, N. 2009. Genetic and morphological variation of tea (Camellia sinensis) blister blight pathogen (Exobasidium vexans) in southern India revealed by RAPD markers and spore morphology. S. L. J. Tea Sci. 74(2): 52-61.

Sathish, M.G. 2014. Simple instruments to monitor and control tea processing. Planters’ Chronicle.110 (3):5-10.

Sathish, M.G., Udayabhanu, K.G.., Venkateswaran, G., Murugesan, P. and Muthukannan, P. 2013. Comparative studies on the influence of machine harvesting and hand plucking on made tea. Newsl. UPASI Tea Res. Foundn. 23(2): 5.

Satyapriya, P., Kalaivani, A., Arvinth, S., Roobakkumar, A., Raj Kumar, R. and Mohan Kumar, P. 2013. Characterisation of ginger rhizome lectin and its efficacy in controlling red spider mite in tea. Journal of Plantation Crops 41(1): 34-39.

Senthil Kumar, R.S., Muraleedharan N., Murugesan, S., Kottur, G., Prem Anand, M, and Nishadh, A. 2011. Biochemical quality characteristics of CTC black teas of south India and their relation to organoleptic evaluation. Food Chemistry 129: 117-124.

Senthilkumar, P. and Mandal, A.K.A. 2013. Cloning and characterization of metallothionein like protein cDNA in tea using RACE. Journal of Plantation Crops, 41(2): 157-162.

Shalini, D. and Raj Kumar, R. 2011. Quality related substrates and enzymes in tea as influenced by weather parameters. Journal of Plantation Crops 39(2): 272-277.

Shalini, D. and Raj Kumar, R. 2011. RUBISCO: Versatile enzyme in food chain and productivity. Newsletter of UPASI Tea Research Foundation. 21(1):2.

Shalini, D. and Raj Kumar, R. 2013. Changes in biochemical constituents and defense related enzymes in response to red spider mite incidence in tea. Journal of Plantation Crops, 41(2): 202-208.

Shanmugapriyan, R. and Sibi Mathew. 2011. Bioefficacy of Metarhizium anisopliae on tea thrips. Newsletter of UPASI Tea Research Foundation. 21(2): 4.

Shanmugapriyan, R., Siby Mathew and Radhakrishnan, B. 2013. Field evaluation of cyflumetofen 20EC against red spider mite of tea. Newsl. UPASI Tea Res. Foundn. 23(1): 2.

Shanmugapriyan, R., Siby Mathew and Radhakrishnan, B. 2013. Resistance development status in tea mosquito bug (Helopeltistheivora Waterhouse) against certain insecticides. Journal of Plantation Crops, 41(3): 447-449.

Shanmugaselvan, V.A., D. Kirubakaran, C. Selvaganapathy and A. Satheshkumar (2014). Method standardization for the quantification of toxic species of heavy metals in black tea. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Siby Mathew and R. Raj Kumar (2014). Pruning of tea plants on productivity, plant health, biomass production and carbon recycling. Paper presented in PLACROSYM XXI held at Kozhikode during Dec 10-12, 2014.

Siby Mathew and Shanmugapriyan, R. 2011. SHB management in replanted fields of central Travancore. Newsletter of UPASI Tea Research Foundation. 21(1):3.

Siby Mathew, Raj Kumar, R., Marichamy, M., Shanmugapriyan, R. and Mohan Kumar, P. 2013. Impact of continuous mechanical harvesting on the carbohydrate dynamics and architectural characteristics of tea plant. Journal of Plantation Crops, 41(2): 136-201.

Soumik Sarkar, Satheshkumar, A., Jayanthi, R. and Premkumar, R. 2011. Biodegradation of fenpropathrin by Pseudomonas sp. isolated from tea rhizosphere microflora. Advanced Biotech. 10(12): 16-19.

Srikumar, K.K., Sureshkumar, B., and Radhakrishnan, B. 2015. Record of new host plant of red spider mite (Oligonychus coffeae).CurrentBiotica 9(1) : 98-100.

Srikumar.K.K., Radhakrishnan, B., Suresh Kumar. 2015.  Pheromone a new prospective for management of tea mosquito bug in tea. Workshop organized by National Centre for Biological Sciences, Bangalore from Feb. 16-25.

Suganthi, M., Arvinth S., Raj Kumar, R and Chandrashekara K.N. (2015). Isolation, Purification and Characterization of Chitinase from Pseudomonas fluorescence. Journal of Plantation Crops. 43(3): 236 -239.

Suganthi, M., Chandrashekara, K. N., Arvinth, S and Raj Kumar, R.  (2015). Molecular characterization of tea mosquito bug collected from different tea growing regions of India. Mitochondrial DNA: The Journal of DNA Mapping, Sequencing, and Analysis. 1-3 (DOI:10.3109/19401736.2015.1066369)

Suganthi, M., P. Senthilkumar, S. Arvinth, R. Rajkumar& K. N. Chandrashekara. (2014) RAPD and SCAR Markers linked to Tea-Mosquito Resistance in Tea. Journal of Crop Improvement, 28:6, 795-803, DOI:10.1080/15427528.2014.943355.

Swarnendu Chandra, Arun Kumar Dutta, Chandrashekara K. N and Krishnendu Acharya. (2015). In silico characterization, homology modeling of chitinase enzyme from Camellia sinensis with an insight to evolutionary analyses of different plant chitinases. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences. (DOI 10.1007/s40011-015-0634-6)

Thirugnanasambantham, K., G. R. Prabhu and A.K.A. Mandal (2014). Isolation and characterization of cDNA encoding cyclophilin gene from dormant bud of Camellia sinensis (L) O. Kuntze. Journal of Plantation Crops. 42(2): 256-261.

Thirugnanasambantham, K., Senthilkumar, P., Sureshramraj, S.C.B. and Mandal, A.K.A. 2013. Differential activity of antioxidative enzymes inactive and temporarily dormant buds of tea (Camellia sinensis). American-Eurasian J.Agric. & Environ. Sci., 13 (10): 1400-1406.

Thirunanasambantham Krishnaraj, Prabu Gajjeraman, Senthilkumar Palanisamy, Suresh Ramraj Subhas Chandrabose and Abul Kalam Azad Mandal. 2011. Identification of differentially expressed genes in dormant (banji) bud of tea (Camellia sinensis (L.) O. Kuntze using subtractive hybridization approach.Plant Physiology and Biochemistry 49: 565-571.

Udaya Bhanu, K.G. 2011. Integration of machines in harvesting tea crop. Colony establishment of PGPRS in vermicompost of coir pith. Newsletter of UPASI Tea Research Foundation. 21(1):5.

Vasanth Kumar, D., Jasin Rahman, V.K., Roobak Kumar, A. and Babu, A. 2011. Impact of neem formulations on predatory efficiency of Mallada boninensis. Newsletter of UPASI Tea Research Foundation. 21(1):4.

Venkateswaran, G. 2011. Soil health and measures to improve its status. Planters’ Chronicle 107 (1): 8-10. Venkateswaran, G. and Radhakrishnan, B. Studies on the effect of drip irrigation in mature clonal tea. p.7.

Victor J Ilango et al., 2015. Evaluation of saflufenacil for weed control in south Indian tea fields. News letter UPASI Tea Res. Inst. 25 (1): 1.

Victor J Ilango, R. and Mohan Kumar, P. 2013. New tea clones from UPASI TRF. Planters Chronicle 109(1): 12-16.

Victor J Ilango, R., Mohan Kumar, P. and Saravanan, M. 2011. An addition of a new tea clone in TRF series. Newsletter of UPASI Tea Research Foundation. 21(2): 5.

Victor J Ilango, R., Mohan Kumar, P., Parthibaraj, R., Ranjith, K., Suresh Kumar, B., Mareeswaran, J., Govindaraj, R., Saravanan, M. and Gunasundari, R. 2013. Mechanization of cultivation practices in tea. Planters Chronicle 109(2): 28-32.

Vidhya Pallavi, R., Nepolean, P., Balamurugan, A. and Premkumar, R. 2011. In vitro bioefficacy of benomyl (50% WP) against tea pathogens. Newsletter of UPASI Tea Research Foundation. 21(2): 2.

Vidya Pallavi, Nepolean, P., Balamurugan, A., Pradeepa, N., Kuberan, T., Jayanthi, R. and Premkumar R. 2011. In vitro studies on antagonistic potential of biocontrol agents against tea pathogens, Hypoxylon sp. and Petalotiopsis sp. Journal of Plantation Crops 39 (1): 244-246.

Vivekanandan, L., Edwin Raj, E., Chandrashekera, K.N. and Raj Kumar, R. 2013 Clonal variation in control hybridization. Newsl. UPASI Tea Res. Foundn. 23(1): 2.

News & Events

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  • Dr. C.S. Venkata Ram Memorial Annual Tea Colloquium-2015

    Dr. C.S. Venkata Ram Memorial Annual Tea Colloquium will be held on July 10, 2015 at Seminar Hall, UPASI Tea Research Foundation, Tea Research Institute, Valparai. The maximum time for presentation is ten minutes followed by discussion. Prizes will be awarded for the best three…

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  • Residue analysis in other crops

    31-05-2013

    The Pesticide Residue Division is equipped with state-of-art instruments viz., Gas Chromatograph, High Performance Liquid Chromatograph, GCMS, Atomic Absorption Spectrophotometer, etc., Our lab is GLP certified by National GLP Compliance Monitoring Authority, Govt. of India for the execution of Pesticide Residue Studies. We are accredited…

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  • Vacancy 2017

    09/06/2016 @ 4:55 pm

    Date of Publish: 22-Jun-2017 UPASI TEA RESEARCH FOUNDATION TEA RESEARCH INSTITUTE NIRAR DAM P.O. VALPARAI – 642 127 Applications are invited from eligible Indian candidates for the recruitment of two project assistants for a two year research project titled “Tea Genome Sequencing” funded by the…

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  • Monthly circular – April 2014

    07/04/2014

       Monthly Circular April -2014  WEATHER Weather data recorded in March 2014 at the TRF observatory are given below, along with the corresponding figures for March 2013. Year Total Rainfall mm Mean Sunshine hr/day Mean Temperature ° C Mean Relative Humidity % at Mean Evaporation…

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  • Quotations & Tenders

    DETAILS OF VEHICLES FOR SALE Sl. No. Make Regn. No. Place Year of Mfg. 1 Suzuki Max 100 R TN 41 F 7245 Valparai 1999 2 Suzuki Max 100 R TN 41 F 7246 Valparai 1999 3 Suzuki Max 100 R TN 41 F 7250…

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Articles

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  • Publications

    09.05.2012

    Ajaikumar, S., Siby Mathew, R. Raj Kumar and P. Mohan Kumar (2014). Mechanical harvesting in tea: A case study of Pasuparai estate. Journal of Plantation Crops. 42(2): 201-214. Ajay, D. and Baby, U.I. 2010. Induction of systemic resistance to Exobasidium vexans in tea through SAR…

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  • Latest

    12/12/12

    The principal landmark in the history of tea research in south India, was the establishment of a Tea Experimental Station in Gudalur in 1926. During the last seven and half decades, this research organisation. Now known as the UPASI Tea Research Foundation (UPASI TRF), had…

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  • Publications and Library

    01/02/05

    Annual Report is the one among the major publications of UPASI TRF. Annual report of each year is released by September of the following year. Other publications include Research Highlights and half yearly Newsletters. The Bulletin of UPASI TRF is an occasional publication. The Handbook…

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Conferences Seminars

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  • PLACROSYM XXI

    DATE:  10-12 December 2014

    PLACE:  Kozhikode

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  • Research Extension Meeting

    DATE:  06-08 May 2013

    PLACE:  Valparai

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  • JOINT AREA SCIENTIFIC SYMPOSIA (JASS)

    DATE:  

    PLACE:  

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  • INTERNATIONAL TEA CONVENTION

    DATE:  

    PLACE:  

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  • TGLIA

    DATE:   2013

    PLACE:  

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  • Dr.C.S. Venkata Ram Annual Tea Colloquium

    DATE:  1 August 2013

    PLACE:  VALPARAI

    Read More
  • INTERACTIVE SESSIONS / WORKSHOPS

    DATE:  28/04/2012

    PLACE:  VALPARAI

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  • PLATINUM JUBILEE SYMPOSIUM

    DATE:  2001

    PLACE:  Chennai

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  • PLANTATION CROPS SYMPOSIUM 2014

    DATE:  2014

    PLACE:  

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  • UPASI ANNUAL CONFERENCE

    DATE:  September 2013

    PLACE:  Coonoor

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Research Activities

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  • Pesticide Residue

    Of late, considering the constant usage of pesticides and to monitor the residues in the final produce, a well equipped test facility was established at UPASI TRI in 1994. The pesticide residue laboratory is accredited by National Accreditation Board for testing and calibration Laboratories (NABL)…

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  • Botany

    The Tea Research Institute at Valparai has seven divisions namely Botany, Soil Chemistry, Entomology, Pesticide Residue, Plant Pathology & Microbiology, Plant Physiology & Biotechnology and Tea Technology. Botany Research activities of Botany Division include plant improvement, cultivation practices and weed research. Plant improvement programme was…

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  • Soil Chemistry

    Chemistry Division is involved in research pertaining to soil-plant nutrients of tea besides extending analytical service to the industry. The research activities include investigations on physico-chemical properties of soil, soil-plant interactions, response of tea to major, secondary and micronutrients and their interactions. The research work…

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  • Entomology

    Entomology Division involve in basic and applied aspects of insect pests, particularly, biology, ecology and evolving control measures. The division evolved and recommended physical, chemical and biological method of tea pests control. In the past, extensive studies on bioecology, crop loss due to major pests…

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  • Pathology & Microbiology

    In the division of Plant Pathology & Microbiology, research is carried out on diseases of tea and biofertilizers. Among the tea diseases, blister blight is the most important leaf disease caused by the pathogen, Exobasidium vexans affecting the tender harvestable shoots of tea resulting in…

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  • Physiology & Biotechnology

    Plant Physiology Division was established in 1980 which has been primarily concentrated on crop productivity. The division strives for excellence in applied research in tea productivity and bush health besides biotechnological studies. The research undertaken extends over a wide range of research programmes having collaborative…

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  • Tea Technology

    Besides offering the analytical services and involving in inter laboratory ring test to validate the test methods, Tea Technology Division is concerned about quality of final produce in accordance with PFA Act requirements, storage studies, value added products and manufacturing aspects. The laboratory has been…

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