|
|
Differences between Arabica and Robusta
| |
Arabica |
Robusta |
| Date species described |
1753 |
1895 |
| Chromosomes (2n) |
44 |
22 |
| Time from flower to ripe cherry |
9 months |
10-11 months |
| Flowering |
after rain |
irregular |
| Ripe cherries |
fall |
stay |
| Yield (kg beans/ha) |
1500-3000 |
2300-4000 |
| Root system |
deep |
shallow |
| Optimum temperature (yearly average) |
15-24° C |
24-30° C |
| Optimal rainfall |
1500-2000 mm |
2000-3000 mm |
| Growth optimum |
1000-2000 m |
0-700 m |
| Hemileia vastatrix |
susceptible |
resistant |
| Koleroga |
susceptible |
tolerant |
| Nematodes |
susceptible |
resistant |
| Tracheomycosis |
resistant |
susceptible |
| Coffee berry disease |
susceptible |
resistant |
| Caffeine content of beans |
0.8-1.4% |
1.7-4.0% |
| Shape of bean |
average 1.2% |
average 2.0% |
| Typical brew characteristics |
flat |
Oval |
| Body |
acidity |
bitterness, full |
 |
|
|
|
