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Publications 2011

Ajay, D. and Baby, U.I. 2010. Induction of systemic resistance to Exobasidium vexans in tea through SAR elicitors. Phytoparasitica 38: 53 – 60.
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., 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., 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., 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 ecofriendly crop protection.
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., 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., 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.
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. 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.
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.
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 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, 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 Interdisiciplinary Science and Technology (CSIR) Trivandrum, Sree Printers Trivandrum, Kerala.
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., 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.
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.
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.
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.
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.
Radhakrishnan, B. 2011. Studies on effect of shear harvesting in TRF-1. Planters’ Chronicle 107 (2): 5-6.
Radhakrishnan, B. 2011. Hairy caterpillar infesting tea. Planters’ Chronicle 107 (3): 5-6.
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.
Radhakrishnan, B. 2011. Tea. organic. Low carbon international symposium. Planters’ Chronicle 107(7):26-28.
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 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.
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, R. 2011. Plantation crops symposium XIX at Kottayam. Planters’ Chronicle 107 (2): 26-30.
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. 2011. Participatory role of biological components of tea plantations in carbon cycle. Planters’
Chronicle 107 (4&5): 5-8.
Raj Kumar, R. 2011. Workshop on intellectual property rights (IPR). Planters’ Chronicle 107 (4&5):40-43.
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. 2011. Dr. C.S. Venkata Ram Memorial Annual Tea Colloquium: 2011. Planters’ Chronicle 107(7):30-36.
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., 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. 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. 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., 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.
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.
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.
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.
Thirunanasambantham Krishnaraj, Prabu Gajjeraman, Senthilkumar Palanisamy, Suresh Ramraj Subhas Chandrabose and Abul Kalam Azad Mandal. 2011. Identification of differentially expressed genes in dormant (banjhi) bud of tea (Camellia sinensis (L.) O. Kuntze using subtractive hybridization approach.Plant Physiology and Biochemistry 49: 565-571.
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.
In: Abstracts. Tea: Scope for Tomorrow… 2011. World Tea Science Congress. Tea Research Association, Jorhat, Assam.
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.

News & Events

  • 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


    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: 12.01.2017 UPASI TEA RESEARCH FOUNDATION TEA RESEARCH INSTITUTE NIRAR DAM P.O. VALPARAI – 642 127   THE POST OF RESEARCH FELLOWS ENTOMOLOGY Project title:  CABI project “Sustainable Tea Production”             Designation of Posts Fellowship Consolidated (Rs.) Relevant Qualifications   Research Fellows (2)…

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  • Monthly circular – April 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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  • Publications 2011


    Ajay, D. and Baby, U.I. 2010. Induction of systemic resistance to Exobasidium vexans in tea through SAR elicitors. Phytoparasitica 38: 53 – 60. Babu, A. Vasanthakumar, D. Jasin Rahman, V.K. Roobakkumar, A and C. Sundaravadivelan. 2011.Potential of Mallada boninensis Okamoto (Neuroptera: Chrysopidae), as a biocontrol…

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  • Latest


    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


    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


    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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    DATE:   2013


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

    DATE:  1 August 2013


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    DATE:  28/04/2012


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    DATE:  2001

    PLACE:  Chennai

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    DATE:  2014


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    DATE:  September 2013

    PLACE:  Coonoor

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Research Activities

  • 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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