Visit of Honorable Vice Minister of Agriculture of China

Honorable Vice Minister of Agriculture of China Tea Research Institute of Sri Lanka on 04 May 2017....

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TRI participates in the national exhibition at the BMICH

The Tea Research Institute participated in the national exhibition........

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Visit of His Excellency President Maithripala Sirisena

His Excellency President Maithripala

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Year 2017: the year of adoption of integrated measures ..........


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First working day celebration of year 2017


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High quality St. Coombs tea

It is time to order the best tea you have ever tasted.
High grown factory fresh unblended St. Coombs tea is available at the St. Coombs Tea Centre....

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St Coombs achieved all time record price

St Coombs achieved all time record price...........

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Climate Change

Report on climate changevulnerability and adaptation strategies for
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Tea Research outshines at the Sixth Symposium on Plantation Crop Research

The sixth Symposium on Plantation Crop Research was successfully held at the BMICH during November 3-4, 2016. The theme of the symposium was “Plantation Agriculture t...

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Report on climate change vulnerability and adaptation strategies for tea plantations released

A comprehensive report on the impacts of climate change, vulnerability and adaptation strategies for the tea sector in Sri Lanka .....

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Low Country Regional Centre & St. Joachim Tea Factory Celebrated 50 years of Services

The TRI Low country Regional Centre and St. Joachim factory celebrated their Golden Jubilee in 2014. Commemorating the Golden Jubilee, a series of events viz. an “Open Day” for stakeholders, felicitation of retired officers with long years of service and religious ...

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National project launched for popularizing the use of machines in tea smallholdings sector

Launching the national project for popularizing the use of machineries in tea smallholdings, the Minister of Plantation Industries, Hon. Mahinda Samarasinghe handed over 21 million Rupees worth of machines and equipment to 50 societies of tea smallholders and 25 bought leaf t...

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Corporate Plan 2013-17

The third revision of the Corporate Plan of the TRISL is now prepared. It embodies the vision of the management, a commitment of its senior managers by way of its mission and of all those involved in making realistic goals and objectives....

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St. Coombs Estate, located in Talawakelle, was acquired in 1928 to establish the Tea Research Institute and this has facilitated the TRI to undertake research work mainly on field experimentation as well as establishment of demonstration sites for grower education.  Even with such use of the estate, it continues to perform as a viable commercial unit. Presently, the St. Coombs tea has achieved a leading mark, and ranks high among the best quality Sri Lankan tea. It covers a tea extent of 287.16 ha, and also has an outlying division, Lamiliere, with 175.10 ha of tea, with a total tea extent of 462.26 ha.

Major Achievements


  • St. Coombs tea was ranked in the 3rd place on its net sales average (NSA) among Western High Grown Category for the year 2010.
  • It also achieved the 7th Top price (NSA) for Dust No. 1 Grade
  • ‘St. Coombs White Tea’, which is the newest product of TRI, was sold at Rs. 12,000.00 per kg

Tea Sales Centre

High quality St. Coombs tea is available at the St. Coombs Tea Centre

Grade Price (SL Rs. per 1 kg)
BOP 480
BOPF 650
Dust No. 1 700
Dust No. 2 450
BM 350

Supply of improved TRI tea cultivars to growers

TRI recommended 3000 and 4000 series tea cultivars are available at the estate
Price per shoot: Rs. 4.00 (for five cuttings)

Cultivars available
TRI 3013 TRI 3072 TRI 4055
TRI 3015 TRI 3073 TRI 4071
TRI 3018 TRI 4006 TRI 4078
TRI 3019 TRI 4046 TRI 4079
TRI 3020 TRI 4052 TRI 2043

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