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Botany
and Agronomy Division
| Thrust Areas of Research |
==
Mother bush selection
== On farm evaluation of clones
== Studies on early evaluation parameters
for evaluation of clones
== Influence of environmental parameters
on growth and yield and physiological
functions
== Studies on the growth parameters of
popular clones and their quantitative
analysis
== Morphological characterization of popular
clones
== Evaluation of clones for structural components
== Physiological evaluation of clones
for specific traits
== Standardisation of plucking and pruning
== Alternatives to the traditional method
of replanting
== Introduction/collection, conservation,
evaluation, characterization,
documentation and cataloguing
of germplasm
== Integrated weed management
== Density of planting
== Refinement of vermiculture technology
and application of vermicomposting
== Studies on propagation techniques and
their modification 
|
Research Experiments
| Brief title of the experiments Remarks | | Effect of Environmental factors on the Physiological and Biochemical attributes in different tea clones | Ongoing | | Determination of suitable pruning cycle of old chinary Tea Bushes of Kurseong | Ongoing | | Effect of Nutrient management on stomatal behaviour and growth of young tea plants. | Ongoing | | Effect of various micronutrients in optimising yield and quality of Darjeeling tea. | Ongoing | | Seasonal and clonal differences in shoot extension rates and population density in different clones. | Ongoing | | Performance of certian tea clones in Kurseong | Concluded | | Comparison of methods of replanting old tea bushes. | Concluded | | Evalution of herbicides for weed control in Darjeeling Tea. | Concluded | | Training of young tea in Darjeeling | Concluded | | Effect of plucking interval on crop yield and flavour of made tea. | Concluded | | Growth analysis of five clones under Kurseong condition. |
Concluded |
Soil Science Division | Thrust Areas of Research |
==
Nutrient management
== Forms and methods of fertilizer application
== Physico-chemical properties of soil
== Discriminatory fertilizer recommendation
== Refinement of fertilizer recommendation
== Standardisation of analytical methods
== Studies on the genesis of the soil
== Preparation of soil fertility status
maps
== Identification of nutrient deficient
areas and their remedies
== Comparative soil plant nutrition studies
organic and inorganic agriculture
== Irrigational requirements
|
Research Experiments
| Brief
title of the experiments Remarks |
| Phosphate
fixation studies in Darjeeling tea soils. |
Ongoing |
| Effect
of different levels of nitrozen (Basal and
split) on the long term yield and soil fertility. |
Ongoing |
| Effect
of organic and inorganic fertilisers on
long term yield and soil fertility. |
Ongoing |
| Effect
of foliar application of Zinc on Tea in
Darjeeling. |
Concluded |
| Tea
soils of Darjeeling - Morphology, classification,
mineralogy and genesis. |
Concluded |
| Studies
on potassium ion potential and quantity
intensity (Q/I) relationships of some Acidic
tea growing soils of Darjeeling. |
Concluded |
| Sulphur
in Darjeeling tea soils - deficiencies and
remedies. |
Concluded |
| Phosphorus
and potassium fertilisers in optimisation
of yield and quality of Darjeeling tea. |
Concluded |
Plant Protection Division | Thrust Areas of Research |
==
Basic research on pathogens and pathogenesis
== Chemical, biological and integrated
disease management
== Cost-benefit assessment of disease
control
== Exploitation of beneficial micro-organisms
== Chemical and biological control of
insect pests
|
Research Experiments
| Brief title of the experiments Remarks | | Effet of neem products in controlling of tea pests and its effects on quality. | Ongoing | | Population dynamics of some tea pests infesting chinary bushes. |
Ongoing |
| Bioefficacy, phytotoxicity and compatibility of organic pesticides against tea pests. | Concluded | | Bioefficacy of certain plant extracts against sucking pests of tea. | Concluded | | Efficacy of certain fungicides against blister blight of tea. | Concluded | | Effect of neemoil, neemcake and neem seed karnel powder in controlling tea pests. | Concluded |
| Ineffectivity
of Baccillus thuringiensis var
kurustaki against bunch caterpillar. |
Concluded | | Bioefficacy of neem products in controlling certain pest of tea . | Concluded |
| Testing
of Delfin (Baccillus thuringiensis
var. kurustaki serotype 3a, 3b)
against flush worm (Cydia leucostoma)
in young tea in Darjeeling. |
Concluded | | Studies on the residue and persistence of monocrotophos, malathion, quinalphos, fenvalerate, dimethoate and dicofol in made tea of Darjeeling. |
Concluded |
Biochemistry Division | Thrust Areas of Research |
==
Biogenesis of flavour
== Isolation, identification and characterization
of enzymes and their substrates
involved in the
manifestation of flavour
== Precursor and product relationship
in a bid to understand the flavour
|
Research Experiments
| Brief title of the experiments Remarks |
| -D-Glucosidase
activity in clones released for Darjeeling
tea Industry . |
Ongoing |
| An
investigation into flavour profile of organic
and inorganic teas in relation to carbon
di-oxide concentration. |
Ongoing | | Degradation of polyphenols and chlorophyll during manufacture of Darjeeling flavoury and nonflavoury teas. | Concluded | | Isolation, identification and characterisation of -D-Glucosides in Darjeeling flavoury teas. | Concluded | | Darjeeling teas in perspective of ISO specification 3720. | Concluded |
| Determination
of clonal compatibility in relation to improvement
of flavour and quality of Darjeeling teas. |
Concluded | | Effect of copper and zinc on the chemical composition and quality of Darjeeling teas. | Concluded | | Effect of plucking intervals on the flavour and quality of Darjeeling teas. | Concluded | | Studies of biochemical parameters of clones - assessment of fermentation periods. | Concluded | | Influence of pruning on chemical composition of aroma precursors of Darjeeling flavoury teas. |
Concluded |
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