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RESEARCH ARTICLEJuly 19th, 2020
The twenty six coffee genotypes (22 accessions with four standard checks) were tested during 2016 and 2017 cropping season using Randomized complete block design (RCBD) at Haru and Mugi Agricultural research sub-centers of Ethiopia to study the variability among Wollega Coffee. The combined analysis of variance revealed non significant difference among tested coffee genotypes in all traits although the difference among genotypes was significant for 7 and 6 of 8 traits at Mugi and at Haru, respectively. The difference between the two locations was not significantly different in all traits. Genotype x environmental interaction (GEI) was significant for all traits indicating inconsistency of performance of Coffee genotypes across the two locations. This manifested that the difficulty of developing widely adapted Coffee varieties maintaining similar in their organoleptic traits. Hence, in order to develop Coffee variety that is acceptable in organoleptic traits, it is momentous to focus on
