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Antiviral properties of tea: Black Tea may become the unique brew of choice with no side effects to fight against Corona virus?


An outbreak of corona virus dis...

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Signing of MOU with Michigan State University


A ceremonial signing of MOU for Academic & Research Co-operation between TRISL and Michigan State University was held ...

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“Bakmaha Divruma” - National Pledge to Eradicate Drug Menace


The staff of the TRISL also has pledged the “Bakmaha Divruma”...

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Japanese Delegation to TRISL


Japanese Delegation to TRISL for a verification survey on disseminating Japanese Technology of “Tea Ingredients Analyzer".
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Notice to All Tea Growers


Detection of MCPA Residue in Sri Lankan Tea...

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Plant Physiology Division focuses on the understanding of the physiology i.e. functioning of tea plant. The main areas of physiological research are under crop improvement, land productivity improvement, impact of climate change and crop management. Under these thematic areas a number of researches under go on drought screening, shade, root physiology, climate change, carbon sequestration and carbon budgeting.

Thematic areas

Crop Improvement

  • Screening of 5000 series tea cultivars for drought being conducted under low country wet zone, mid country wet zone and uva region using selected physiological and biochemical parameters.
  • Investigations on the behavior of tea root system is done to

Improvement of Land Productivity

  • Physiological performances of tea under newly identified high and medium shade tree species are measured to evaluate the suitability of these new species as shade for tea.

Climate Change Impact assessment

  • The current study assess the responses of tea plants to expected future climate change, the carbon sequestration potential of tea and the availability of different payment systems for the environmental services.

Carbon budgeting for different tea growing regions

  • Carbon budgets for the tea plantations in different tea growing regions are being prepared at soil series level.

 Click here to view Staff Details >>

Major Achievements

  • A simple technique was developed for testing root starch content prior to pruning.
  • Spraying of K2SO4 at a concentration of 2 % together with urea at 4 %, just prior to a drought was found to help tea plants withstand drought conditions.
  • Development of alternate shade tree data base.
  • Discovery of allelopathy in tea lands.
  • Discovery of the reason behind yield decline at the later stages of the pruning cycle.
  • A Drought Susceptibility Index was developed to screen the new cultivars for drought.
  • A simulation model was developed to predict the tea yields and carbon sequestration potential variations with expected future climate change.
 
 
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