Tagged: breeding

Why Rooibos Has Been So Hard to Sequence, and Why the Ministry Wants It Done

Rooibos carries a genome roughly a billion base pairs long, packed with the same tannin-like compounds that make its tea, and those compounds fight every attempt to read its DNA. Here is what scientists have found so far, and why a finished genome matters for a crop already running short on stress tolerance.

The Rooibos You Buy Has Its Own Variety Name

Nearly every rooibos field grown today is one narrow, bred selection, not just "the red bush." Growers and chemists call it the Nortier type, the Rocklands type, or in Afrikaans mak tee, tame tea, and the identity runs deep enough that a whole botanical group carries its breeder's name.

Rooibos Waited Ninety Years for a Second Variety

Nearly every rooibos field alive today still runs on one man's 1930s selection. Only in the last few years has anyone seriously tried to breed a second one, and the person doing it is the same botanist who spent the 1990s taming rooibos's sister crop, honeybush.