Radhakrishnan,B., K. K. Srikumar, Smitha, K. B. Suresh. 2018. Evaluation of Sulfoxaflor 50%WG against Tea mosquito bug, Helopeltistheivora Waterhouse (Hemiptera: Miridae). Pestology. 42 (3), 31-36.
Radhakrishnan, B. 2018. Recent issues on pesticide residues and other contaminants in Tea. Planters chronicle. 114(1): 4-11.
Radhakrishnan B. and Durairaj. J. 2018. Recent trends in tea research in southern India. Planters chronicle. 114 (4&5): 14-22.
Radhakrishnan, B. and Durairaj, J. 2018. Factors limiting tea productivity in southern India. Planters chronicle. Vol. 114 – (7): 7- 19.
Radhakrishnan B. 2018. Tea. In: Pests of plantation crops. (Eds.) Chowdappa, P, Chandrika Mohan & Joseph Rajkumar, A. Astral International Pvt. Ltd., New Delhi. pp. 163-176.
Srikumar,K.K., Smitha, K. B. Suresh, B. Radhakrishnan.2018.Intraguild predation of green lacewing larvae (Neuroptera: chrysopidae) on spider eggs and spiderlings. Journal of threatened taxa, 10(8),358–367.
Srikumar, K. K., S. Salini, S. Smitha, B. Suresh Kumar and B. Radhakrishnan. 2018. Taxonomy, bionomics and predatory potential of Eocantheconaconcinna(Walker) (Hemiptera: Pentatomidae: Asopinae), Journal of Biological Control, 32(2): 81-86.
Manikandan.K, R. Arulpandi, S. Anitha, Smitha, Sureshkumar B, Mahendran.P and Radhakrishnan. B. 2018. Predatory efficacy of Hierodulasp., a giant asian praying mantid on tea mosquito bug, Helopeltistheivora.Newsletter of UPASI Tea Research Foundation. 28 (1): 2.
Radhakrishnan, B. and Durairaj, J. 2018. Factors limiting tea productivity in southern India. Planters’ Chronicle, 114(7): 7-19.
Manigandan, N and Sathish, R. 2018. Variation in aroma generation enzyme activities and precursor’s content of different varieties of clones. News letter of UPASI Tea Research Foundation. 28 (1)
Manigandan, N. Radhakrishnan, B. and Dilipkumar, N. 2018 Impact of Silica gel on keeping quality of tea. News letter of UPASI Tea Research Foundation. 28 (2)
Nepolean.P and Manimal. N. 2018. Effect of microbial fermentation product on blister blight spore germination under in vitro conditions. Newsletter of UPASI Tea Research Foundation. 28 (1):6.
Nepolean. P, Durairaj. J, Manimala. N and Radhakrishnan. B. 2018. First record of Botryosphaeriaceae species associated with die-back disease of tea shoots in south India. Newsletter of UPASI Tea Research Foundation. 28 (2):6.
Srikumar, K.K., Smitha, S., Suresh Kumar, B. and Radhakrishnan, B. 2018. Diversity of Mantids in tea plantation. Journal of Plantation Crops, 46(3): 221-223.
Edwin Raj E., Ashokraj.S and Radhakrishnan B. 2018. Microarray analysis of transcription factors in tea during phytopathogenic stress. Newsletter of UPASI Tea Research Foundation. 28(1): 4-5.
Nalina, M., Saroja, S., Rajkumar, R., Radhakrishnan, B. and Chandrashekara, K.N. 2018. Variations in quality constituents of green tea leaves in response to drought stress under south India condition. Scientia Horticulturae.(Amsterdam).233: 359-369.
Edwin Raj E., Ashokraj.S and Radhakrishnan B. 2018. Detection of blister blight disease in tea using smartphone and image processing technique. Newsletter UPASI Tea Research Foundation. 28(2).
Munivenkatappa, N., Sarikonda, S., Rajagopal, R., Balakrishnan, R. & Krishnappa Nagarathana, C. 2018. Variations in quality constituents of green tea leaves in response to drought stress under south Indian condition. Sci. Hortic. (Amsterdam). 233, 359–369.
Suganthi, M., Arvinth, S. & Senthilkumar, P. 2018. Defensive responses in Tea (Camellia sinensis) against Tea mosquito bug infestation. Res. J. Biotechnol. 13, 7–11.
Suganthi, M., Arvinth, S., Chandrashekara, K. N., Rajkumar, R. & Senthilkumar, P. 2018. Molecular characterization of bacterial biocontrol agents and their chitinase genes from tea soil. Indian J. Exp. Biol. 56, 395–401.
Manikandan,K., Arulpandi,R., Anitha,S., Smitha,S., Sureshkumar,B., Mahendran,P. And Radhakrishnan, B. 2018. Predatory efficiency of Hierodula sp., a giant praying mantid on tea mosquito bug, Helopeltis theivora. Newsl. UPASI Tea Res. Foundn. 28 (1): 2.
Smitha,S., Mahendran,P., Anitha,S. and Radhakrishnan,B.2018. Comparative studies on feeding potential of two predators Chrysoperla carnea Stephens and Blaptostethus pallescens Poppius on Red spider mite, Oligonychus coffeae Nietner. Newsl. UPASI Tea Res. 28 (2): 2 .
Nisha. S.N., Prabu. G and Mandal. A. K. A. 2018. Biochemical and molecular studies on the resistance mechanisms in tea [Camellia sinensis (L.) O. Kuntze] against blister blight disease. Physiology and Molecular Biology of Plants 24 (5):867-880.
Senthilkumar, P., Purusothaman, N., Suganthi, M. and Mandal A.K.A. 2018. Transcriptome profiling of tea (Camellia sinensis (L.) O. Kuntze) during Pestalotiopsis theae infection revealed stress/disease responsive genes. Research Journal of Biotechnology, 13(8): 62-71.
Anju, A., Srikumar K.K. and Radhakrishnan, B. 2018. Comparative biology of HelopeltistheivoraWaterhouse on Psidium cateleianum (Myrtales: Myrtaceae) and Camellia sinensis (Ericales: Theaceae). Entomon 43 (2): 145-148.
Manimala. N, Nepolean. P and Radhakrishnan. B. 2018. Fungicide resistance of grey blight pathogen in tea. Newsletter of UPASI Tea Research Foundation. 28 (2):6.
Mareeswaran. J and Premkumar Samuel Asir. R. 2018. Bio efficacy of indigenous biological agents and selected fungicides against branch canker disease of (Macrophoma theicola) tea under field level. BMC Plant Biology. 18: 222.
Mareeswaran, J., Premkumar Samuel Asir, R. and Radhakrishnan,B. 2018. Isolation and identification of bacterial strains from different tea growing areas against Macrophoma sp. in southern India tea plantation. Journal of Plantation Crops, 2018, 46(3): 161-168.
News & Events11
Preharvest-interval re-commendedby-UPASI-TRF-TRI-Updated-on-1FEB-2021Read More
updated in Jan 2021 MRLRead More
Wanted Assistant Advisory officers for the UPASI Regional Centres located in Tamil Nadu and KERALA. Qualification MSc Botany / Entomology / Zoology / Agriculture/Related Life Sciences, Age limit 22 to 28 years, Candidates should be willing to do extensive field work, two wheeler license is…Read More
- Read More
- Read More
- Read More
Dr. C.S. Venkata Ram Memorial Annual Tea Colloquium will be announced later.Read More
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…Read More
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…Read More
News Letter -2020 JuneRead More
- Read More
Radhakrishnan,B., K. K. Srikumar, Smitha, K. B. Suresh. 2018. Evaluation of Sulfoxaflor 50%WG against Tea mosquito bug, Helopeltistheivora Waterhouse (Hemiptera: Miridae). Pestology. 42 (3), 31-36. Radhakrishnan, B. 2018. Recent issues on pesticide residues and other contaminants in Tea. Planters chronicle. 114(1): 4-11. Radhakrishnan B. and…Read More
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…Read More
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…Read More
National Symposium Announcement
DATE: 22nd Jannuary, 2021
DATE: 10-12 December 2014
PLACE: KozhikodeRead More
Research Extension Meeting
DATE: 06-08 May 2013
PLACE: ValparaiRead More
JOINT AREA SCIENTIFIC SYMPOSIA (JASS)
INTERNATIONAL TEA CONVENTION
Dr.C.S. Venkata Ram Annual Tea Colloquium
DATE: 1 August 2013
PLACE: VALPARAIRead More
INTERACTIVE SESSIONS / WORKSHOPS
PLACE: VALPARAIRead More
PLATINUM JUBILEE SYMPOSIUM
PLACE: ChennaiRead More
PLANTATION CROPS SYMPOSIUM 2014
- Read More
Newsletter – Dec 2019Read More
- Read More
- Read More
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)…Read More
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…Read More
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…Read More
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…Read More
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…Read More
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…Read More