Batian

Named after the highest peak on Mt. Kenya, Batian is resistant to coffee berry disease and coffee leaf rust, the two common fungal diseases affecting coffee in Kenya and much of Africa. The parentage of Batian is predominantly arabica, and it is closer genetically to the well-regarded SL28 and SL34 varieties than Ruiru 11, the rust-resistant varietal introduced in 1985. Varieties used in the development of Batian include SL4, N39, N30, Hibrido de Timor, Rume Sudan, and K7. They were repeatedly backcrossed with SL28 and SL34. The Hibrido de Timor is the naturally-occurring hybrid of arabica and robusta, and is often used in disease-resistant breeding due to its robusta heritage.

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