| SIGNIFICANT
CONTRIBUTIONS DURING THE LAST TWO DECADES
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Released 29 clones for commercial cultivation in south India |
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Released five biclonal seed stocks |
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Identified six clonal grafts |
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Developed of a hormonal formulation for easy and fast rooting of vegetative cuttings |
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Mechanisation of nursery grafting technique using the scion and root stock maker |
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Development of grafting clips for securing graft partners |
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Recommendations on spacing for planting and plant population |
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Recommendation on methods of tipping |
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Recommendations on timing of pruning and use of pruning machines |
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Recommendations on the use of shear harvesters & motorized harvesters use of motorized pruning machines |
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Recommendations on the use of pre and post-emergence herbicides |
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Developed a schedule of fertiliser application with special reference to N:K2O ratio |
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Established the importance and need for calcium nutrition in acidic tea soils |
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Broadcasting of rockphorphite with citric acid |
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Significant positive interaction between phosphorus and potassium established |
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A schedule for dolomite application developed on the basis of soil pH, applied nitrogen and rainfall |
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Evolved the basis for determination of anticipated yield for deciding nitrogen dose |
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Evolved a scheme for auditing N and K in each split based on crop harvested in preceding two to three months |
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Established the importance of foliar application of phosphorus and magnesium |
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Brought out the guidelines for organic tea cultivation |
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Targeted yield equations were developed for nitrogen fertiliser recommendation based on STCR studies |
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Fertiliser use efficiency was worked out for nitrogen |
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Generated data on the bioecology of tea pests such as mites, aphids, flushworms, leaf rollers, Helopeltis and shot hole borer |
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