H3 1

H3

High yield­ing vari­ety, with very good qual­i­ty at ele­va­tions above 1300 meters.

Stature
Dwarf/Compact
Leaf tip color
Green
Bean Size
Large
Yield Potential
High
Low
Very High
Quality potential at high altitude
Very Good
Very Low
Exceptional
Optimal Altitude
High
Coffee leaf rust
Susceptible
Susceptible
Resistant
Nematode
Susceptible
Susceptible
Resistant
Coffee Berry Disease
Susceptible
Susceptible
Resistant

Agronomics

Year of first production
Year 3
Nutrition requirement
High
Ripening of fruit
Average
Cherry to green bean outturn
Very High
Planting density
3000-4000 plants/ha (using single-stem pruning)
Additional agronomic information
Stature is intermediate between Dwarf/Compact and tall. An important note about F1 hybrids: Seeds taken from hybrid plants will not have the same characteristics as the parent plants. This is called “segregation.” It means that the child plant will not look or behave the same as the parent, with potential losses of yield, disease resistance, quality, or other agronomic performance traits. The variety should only be reproduced through clonal propagation and purchased from trusted nurseries.

Background

Genetic Description
F1 hybrid (not introgressed)
Lineage
Caturra x Ethiopian landrace accession "E531'' (CATIE collection)
Breeder
CIRAD-CATIE-ICAFE-IHCAFE-PROCAFE-ANACAFE
History
A first-generation (F1) hybrid originating from a cross between Caturra and an Ethiopian landrace from the CATIE collection (accession E531).The variety was part of the first wave of F1 hybrid varieties created by a consortium including French research institute CIRAD, a regional network of national coffee institutes in Central America (PROMECAFE), and CATIE. H3 was not part of the final round of selection after 2000 because it showed some susceptibility to rust. However, the cup quality was exceptional and some farmers in the region involved in early tests opted to continue to cultivate the variety.F1 hybrids in Central America are part of an effort by breeders to increase the genetic diversity of varieties in the region since the traditional American varieties are severely genetically constricted.Typically, F1 hybrid parents are chosen to be genetically distant from one another; this distance maximizes hybrid vigor, which translates into high yields and overall vigor (for example, tolerance to frost), without losses in cup quality or disease resistance. There are only a handful of F1 hybrid coffee varieties in the world, most developed in the last 10 years, and only recently commercially available to farmers.

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