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23 December 2024
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മലയാളം
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Agriculture >
Plantation Crops > Tea (Camellia sinensis)
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Crop Management
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Varieties
Clones
So far the Upasi Tea Research Foundation has released 29 clones (vegetatively propagated
cultivars). Among these, clones such as UPASI-3, UPASI-8, UPASI-17, UPASI-25, UPASI-27,
UPASI-28 and TRF-1 are high yielders. Clones such as UPASI-2, UPASI-6, UPASI-9,
UPASI-20 and UPASI-26 are moderate yielders but are tolerant to drought. Certain
SriLankan clones such as TRI-2024, TRI-2025 and TRI 2026 and a few estate clones
such as CR-6017, C-1, ATK-1 and SA-6 are also widely used for planting in southern
India. Current clonal selection work in the Anamallais, Nelliampathy and Nilgiris
resulted in the selection of 140 bushes based on visual examination. Studies are
in progress to monitor their nursery and field performance.
Biclonal seed stocks
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Besides the clones, five biclonal seed stocks have also been released for commercial
planting. The biclonal seed stocks are UPASI: BSS-1 to BSS-5. These seed stocks
germinate early in the nursery and establish well in the field. They are excellent
for infilling, replanting and extension planting. The stocks are moderate yielders
but are tolerant to drought.
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