Jackson 2 1257

Jackson 2/1257

Jackson

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Very vig­or­ous and high­ly pro­duc­tive. Found com­mon­ly in Rwan­da and Burundi.

Stature
Tall
Leaf tip color
Bronze
Bean Size
Large
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
Susceptible
Susceptible
Resistant
Nematode
Unknown
Susceptible
Resistant
Coffee Berry Disease
Susceptible
Susceptible
Resistant

Agronomics

Year of first production
Year 3
Nutrition requirement
Medium
Ripening of fruit
Unknown
Cherry to green bean outturn
Average
Planting density
1000-2000 plants/ha (using single-stem pruning)
Additional agronomic information

Background

Genetic Description
Bourbon-Typica group (Bourbon related)
Lineage
A selection of Jackson. Bourbon-like genetic background.
Breeder
Rwanda Agricultural Board (RAB)
History
Mr. Jackson was a coffee farmer in Mysore, India in the early 1900s who discovered trees on his farm tolerant to coffee leaf rust (that tolerance has since been lost and the variety is considered susceptible to rust). Seedlings from these trees were sent to research stations in both Kenya and Tanzania in the 1920s. These original trees gave rise to the Jackson variety now commonly found in Rwanda. (It is not well referenced how Jackson got from Kenya to Rwanda; documents indicate it may have come via the germplasm collection at Mulungu in the Democratic Republic of Congo established in the 1930s, or been brought by Kenyan settler farmers in the 1940s.)The varieties known as Jackson, Kent, Coorg, and Mysore—all originating from the same region in India—are most likely late descendant of the first coffee seeds out of Yemen brought to India by Baba Budan in 1670. Recent genetic tests have confirmed that Jackson is related to the Bourbon genetic group.

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