Tagged: tocklai
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.
Acid, Aluminum, and Rain: The Soil and Monsoon Behind an Assam Cup
The valley's soil runs strongly acidic and aluminum-heavy, and the monsoon delivers nearly three-quarters of the year's rain in five months. The compound most articles credit for the malty taste has never actually been tested for it. Here is what the record can, and cannot, certify.
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.
Assam Is Losing the Chemical War on Its Worst Pest, So Gardens Are Recruiting Bugs
The tea mosquito bug has out-evolved two of the insecticide classes bred to kill it, and the European Union just tightened the residue limit on both anyway. Here is what a garden reaches for once the spray can is failing at both ends.
The Wild Tea Still Standing in Assam's Forests
Camellia assamica grows wild today in forest tracts along the Assam-Arunachal-Nagaland border, no garden, no planting record. Here is where it stands, who keeps finding it, and why even a genuine wild tree cannot fully settle the question of what "wild" means here.
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.
Assam Tea Has a Third Parent Most Drinkers Never Hear About
Cambod tea, a third botanical type shipped in from Indochina in 1917, sits behind clones like TV23 and the theaflavin-rich color in the cup, work usually credited to the China and Assam types alone.
The Step That Makes or Mars Every Cup of Assam
Before a leaf is ever rolled or crushed, it spends 9 to 18 hours doing nothing but losing weight in a long metal trough. Here is what withering actually does to the leaf, why CTC and orthodox want it done to different degrees, and what a factory's wither percentage really measures.
Fired to Three Percent, and What Burns to Get There
Firing drives a fermented Assam batch down to about 3 percent moisture in twenty minutes of hot air, the number that decides whether the leaf keeps or rots. Here is what the driers actually do, the rate that can ruin a batch even at the right final number, and why the fuel underneath them is changing.
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.
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.