Pop3303 21 1

Pop3303/21

High yield­ing with tol­er­ance to drought, cof­fee leaf rust, and cof­fee berry dis­ease. Adapt­ed to a wide range of ecosys­tems. Found most­ly in Rwanda.

Stature
Tall
Leaf tip color
Bronze
Bean Size
Average
Yield Potential
High
Low
Very High
Quality potential at high altitude
Good
Very Low
Exceptional
Optimal Altitude
Medium, High
5°N to 5°S: >1200m
5–15°N and 5–15°S: >900m
>15°N and >15°S: >700m
Coffee leaf rust
Resistant
Susceptible
Resistant
Nematode
Unknown
Susceptible
Resistant
Coffee Berry Disease
Tolerant
Susceptible
Resistant

Agronomics

Year of first production
Year 2
Nutrition requirement
High
Ripening of fruit
Unknown
Cherry to green bean outturn
Average
Planting density
2000-3000 plants/ha (using multiple-stem pruning)
Additional agronomic information
Drought tolerant. Significantly prone to die back.

Background

Genetic Description
Bourbon-Typica group (Typica related)
Lineage
A selection of BMJ (Blue Mountain Jamaica) in Rwanda, related to but distinct from Typica.
Breeder
Rwanda Agricultural Board (RAB)
History
This population was selected from trees surveyed in 1972 in the plantation of M. Némery in Cyangugu (formerly Shangugu, a city in Western Rwanda). This plantation was supposedly planted in the Blue Mountain variety, called BMJ locally in Rwanda. BMJ was introduced to East Africa from Jamaica in 1894 via Nyasaland (now Malawi), from whence it spread across East Africa. The only variety known to be grown in Jamaica during the time when BMJ was introduced was Typica. It is therefore believed that BMJ—and hence Pop3303/21—is related to Typica. Pop3303/21 was released for commercial production in Rwanda by the Rwanda Agriculture Board in 2003.

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