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Analytical services

Chemistry, Tea Technology, Pesticide Residue, Pathology and Physiology Divisions at TRI and Chemical Laboratory, Regional Centre, Coonoor extend comprehensive analytical services while laboratories in other regional centres possess very limited analytical facilities. TRI also carry out field bioefficacy trials and residue quantification in tea necessary for the registration of pesticides, fungicides, herbicides and plant growth regulators.

Service to small growers

The regional centres of UPASI TRF offer services to small tea growers by extending free advice and analytical services. In the Nilgiris where the small growers are concentrated, the UPASI KVK takes up this work. Help is also extended to government farms and tribal cooperatives. The UPASI KVK extends its services to the small growers, bought leaf factories and Indcoserve factories in the Nilgiris.

Facilities are available for the following analysis:

C.SOIL AMENDMENTS

SOIL
pH & EC K(MnO4 -N)
Organic matter (OM) pH, EC, OM, P, K, Ca & Mg
pH, EC & OM Mechanical analysis of soils
Available & Exchangeable nutrients K, Ca & Mg
pH, EC, OM & K Micronutrients (Zn, Mn, Fe, Cu)
pH, EC, OM & P Nitrite
pH, EC, OM, P & Mg pH, EC, P, Mg
OM, P / P& K OM,P,K
pH, EC, OM, P& K Nitrate N or Ammoniacal N
pH, EC, OM, P, Ca & Mg pH,EC,P
pH, EC, OM, K, Ca & Mg pH,EC,K
pH, EC, OM, Ca & Mg Water holding capacity / Field capacity of soils
P, K, Ca & Mg Cation exchange capacity (CEC)
Exch. Sulphur Degree of potassium saturation (DKS)
Total N Bulk density
Total K Phosphorus and Potassium fixing capacity for soils
pH, EC, P, Ca & Mg Eelworm estimation
Available P & Total P  
FERTILIZERS / MANURES
Identification-qualitative tests Organic manures- pH, EC, C, N, P & K
Quantitative analysis of straight fertilisers Organic manure – C, N, P, K
Quantitative N, K and Mg analysis Organic manure pH, EC, C, N, P, K, Ca, Mg
Quantitative N and K analysis Micro nutrient /S in Organic manure
Quantitative N, P and K analysis Nursery Mixture N, P, K, Mg & Zn
Quantitative N, P, K and Mg analysis Magnesium silicate
N, P, K, Mg and Ca Purity tests of Zinc sulphate(Comprehensive on all aspects with special reference to tea)
Sodium only / K only Magnesium sulphate /Manganese sulphate and Boric acid
Biuret in urea Secondary and micronutrients-microfood fertilizers Zn, Mn, B, Na, Fe & Mg
C alone/Nitrogen content in organic manure Zn, Mn, Fe & Cu in fertilizers
Organic manure-C, N & C/N alone Multi K (KNO3)
Organic manures-N, P & K/pH, EC, C & N/C, N & Moisture  
Liming materials Iron Pyrite (S)
Aluminium sulphate Calcium oxide
Gypsum (Purity & S)  
D. FUNGICIDES
Copper oxy chloride formulation Copper sulphate
Nickel chloride formulation Hexaconazole formulation
E. PESTICIDES
Content of formulation 
F. WEEDICIDES
Content of formulation 
G. MISCELLANEOUS
Purity tests, not comprehensive on all aspects but with special reference to tea Micronutrients content in leaf sample
Ash samples 2,4-D( qualitative)
Wetting agents EC and surface tension only Water quality(pH, EC, HC03, C03, Ca, Mg and Na)
Moisture content Water (pH, EC, Ca, Mg, Na, K, C03, HC03, CI, SO4 2-, SAR & micronutrients
Neem oil in neem cake Starch reserve in roots (quantitative)
Phosphorus/Potassium/Sulphur content in leaf sample Endogenous ABA and GA3 analysis
Nitrogen content in leaf PCR analysis of accessions (Unit of 5 Replicates)
N,P and K/NK analysis in leaf sample Enzyme substrate ratio analysis(Unit of 5 Replicates)
N,P,K,Ca & Mg in leaf sample  
H. MADE TEA
Moisture content Total polyphenols
Water extract Total catechin
Crude fibre Total amino acid
TF,TR, HPS & TLC Total lipid
Ash content Soluble sugar
Iron filings/Cu/Zn content Catechin fractions (using HPLC)
Caffeine (using HPLC) VFC (using GC)
Tannin Pesticide residues
Microscopic examination Analysis of dicofol/DDT residues
Complete PFA specification  
I. MICROFLORA / SPORE LOAD
Enumeration of micro flora (Spore load / Viability ) from made tea/soil/ bio fertilizer/organic compost quality checking of bioformulations (liquid / solid)
J. IDENTIFICATION OF DISEASED SPECIMENS
Identification of diseased specimens
K. CALIBRATION OF EQUIPMENTS
Thermo hygrograph pH meter
Moisture meter  
L. FIELD TRIALS
Field evaluation of pesticide/ weedicide/ fungicide.
Field evaluation of PGR.
Field evaluation of fertilizer/micronutrient /bio fertilizer.
Field evaluation of PGR / fertilizer/ micronutrient / bio fertilizer coupled with determination of physiological parameters or quality parameters.
Field evaluation of PGR / fertilizer / micronutrient/ Bio fertilizer coupled with determination of quality and physiological parameters.
Field trial for preparation of black tea samples for residue analysis.
Field trial for preparation of black tea and dried green leaf for residue studies.
Field trial for residues and analysis of residues in black tea.
Field trial for residues and analysis of residues in black tea and dried green leaf.
Taint test
Phytotoxicity test
Field study on effect of pesticide on natural enemies of pests
Microplot tests for pesticide / weedicidesss
Lab bioefficacy tests
Packaging trial on made tea.
Enzyme trials on quality improvement of tea.
Training programmes

TRF organizes training programmes on situation warranted relevant topics as well as on entire gamut of tea cultivation for the benefit of executives, field staff and work force. Factory staff benefited through the training programme on tea manufacture.

Industrial training

UPASI TRI offers short-term industrial training programme in biotechnology, biochemistry and microbiology to the under graduate and post graduate students belonging to various academic institutions at nominal cost. Students (M.Sc./B.Tech. Biotech) preferred to do their project work as an integral part of their course also given opportunity at TRI to complete their curriculum for a period of maximum three months. Lectures are delivered by subject experts for the benefit of students from universities and colleges visiting the TRI.

News & Events

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Articles

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  • Publications

    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…

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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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  • National Symposium Announcement

    DATE:  22nd Jannuary, 2021

    PLACE:  

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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

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  • 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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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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