Research Article
Genetic Gain Trend in Yield and Advanced Selection of Yayo Coffee (Coffea arabica L.) Land Race Collection
Table 1
Description of Yayo coffee accessions studied at Metu research sub-center (set-I and set-II).
| Set-I | Set-II | Accessions code | Region | Zone | District | Specific location | Alt. (m a.s.l) | No. Accessions | Accessions code | Region | Zone | District | Specific location | Alt. (m a.s.l) | No. of accessions |
| Y01–Y07 | Oromia | Illuababora | Yayo | Debisa | 1200 | 7 | Y63–Y67 | Oromia | Illubabor | Yayu | Dogi | 1400 | 5 | Y08, Y10-Y11 | Oromia | Illuababora | Yayo | Geba | 1250 | 3 | Y68–Y71 | Oromia | Illubabor | Yayu | Sembo | 1350 | 4 | Y09 | Oromia | Illuababora | Yayo | Geba | 1260 | 1 | Y72–Y73 | Oromia | Illubabor | Yayu | Sembo | 1380 | 2 | Y12–Y14 | Oromia | Illuababora | Yayo | Geba | 1200 | 3 | Y74–Y80 | Oromia | Illubabor | Yayu | Sembo | 1400 | 7 | Y15 | Oromia | Illuababora | Yayo | Geba | 1350 | 1 | Y81–Y86 | Oromia | Illubabor | Yayu | Geba | 1350 | 6 | Y16-Y17 | Oromia | Illuababora | Yayo | Geba | 1225 | 2 | Y87–Y93 | Oromia | Illubabor | Yayu | Achebo | 1380 | 7 | Y18 | Oromia | Illuababora | Doreni | Geba | 1350 | 1 | Y94 | Oromia | Illubabor | Yayu | Achebo | 1480 | 1 | Y19,Y21–Y22 | Oromia | Illuababora | Doreni | HaroMenka | 1350 | 3 | Y95–Y102 | Oromia | Illubabor | Yayu | Geri geba | 1480 | 10 | Y20 | Oromia | Illuababora | Doreni | HaroMenka | 1225 | 1 | Y105–Y107 | Oromia | Illubabor | Yayu | Gordeya | 1480 | 3 | Y23–Y25 | Oromia | Illuababora | Yayo | Masongo | 1250 | 3 | Y108–Y109 | Oromia | Illubabor | Yayu | Gordeya | 1300 | 2 | Y26–Y29 | Oromia | Illuababora | Yayo | Masongo | 1200 | 4 | Y110–Y112 | Oromia | Illubabor | Yayu | Gordeya | 1650 | 3 | Y30–Y35 | Oromia | Illuababora | Yayo | Masongo | 1250 | 6 | Y113–Y124 | Oromia | Illubabor | Yayu | Degitu | 1650 | 12 | Y36–Y49 | Oromia | Illuababora | Yayo | Geba | 1300 | 14 | 74110 | Oromia | Illubabor | Metu | Bishari | 1700 | Check | Y50 | Oromia | Illuababora | Yayo | Geba | 1350 | 1 | 74112 | Oromia | Illubabor | Metu | Bishari | 1700 | Check | Y51 | Oromia | Illuababora | Yayo | Geba | 1400 | 1 | Total | | | | | | 64 | Y52–Y62 | Oromia | Illuababora | Yayo | Daggi | 1400 | 11 | | | | | | | | 74110 | Oromia | Illubabor | Metu | Bishari | 1700 | Check | | | | | | | | 74112 | Oromia | Illubabor | Metu | Bishari | 1700 | Check | | | | | | | | Total | | | | | | 64 | | | | | | | |
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Note. both set-I and set-II are 124 accessions; totally, 126 coffee genotypes with checks.
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