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Tagged: breeding

Article · Estates & Terroir

TV1 to TV31: The Clones That Built Modern Assam

Almost no Assam garden grows tea from seed anymore. Since 1949, Tocklai's breeding station has released a numbered line of clones, TV1 to TV31, and they now cover most of the valley. Here is what a clone is, why the industry switched, and what got lost along the way.

Jun 16, 2026
Article · Estates & Terroir

The Third Way to Plant an Assam Tea Bush

Not every Assam bush is a clone or a seedling. A third category, the biclonal seed variety, crosses two proven clones on purpose and plants the resulting seed. Here is how it works and why Tocklai still makes it.

Apr 15, 2026
Article · Estates & Terroir

Assam Grew the Purple Tea Everyone Else Is Selling

Kenya built a global purple tea business on a clone traced back to Assam tea plants exported early last century. Assam itself still has no commercial purple tea plant, only wild finds in Karbi Anglong and a germplasm bank holding the chemistry that could change that.

Mar 5, 2026
Guide · Estates & Terroir

Clones and Cultivars

Every named plant in an Assam garden carries a code, TV1, TS 397, TTRI 2, or a garden's own name and a number. The complete reference to what those codes mean, the categories Tocklai sorts its releases into, and how a candidate plant becomes a released clone at all.

Guide · Estates & Terroir

The Tocklai Institute

The complete record of the Tocklai Tea Research Institute at Jorhat, the world's oldest tea research station and the office behind nearly every clone, pest study, and quality benchmark this office has ever certified. How a single chemist's post in 1891 became a formal station in 1911, what its eleven divisions do, and the science it has produced since.