Table 2.
Summary of the 2,179 O. glaberrima accessions used in the present study and the number of accessions selected to represent a core and mini-core sets.
| Country of origin | Final number of accessions used | No. of accessions retained in the core set | No. of accessions retained in the mini-core set | No. of accessions belonging to each group based on STRUCTURE at K = 5 | No. of accessions belonging to each group based on cluster analysis | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Admixture | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | ||||
| Benin | 3 | 2 | 2 | – | – | 1 | 1 | – | 1 | – | 1 | 1 | 1 | – |
| Burkina Faso | 74 | 59 | 14 | 3 | 3 | – | 44 | 20 | 4 | 2 | 7 | 2 | 51 | 12 |
| Burundi | 1 | 1 | 1 | – | – | – | – | – | 1 | – | – | 1 | – | – |
| Cameroon | 37 | 26 | 7 | 1 | 30 | 3 | 1 | 2 | – | 1 | 33 | 1 | – | 2 |
| Chad | 18 | 13 | 2 | – | 13 | – | 2 | 3 | – | – | 15 | – | 1 | 2 |
| Congo | 1 | – | – | – | – | – | – | 1 | – | – | – | – | – | 1 |
| Egypt | 3 | 1 | 1 | – | 1 | 1 | – | 1 | – | – | 2 | – | – | 1 |
| Gambia | 24 | 18 | 7 | 1 | 9 | 7 | 1 | 4 | 2 | – | 16 | 1 | 2 | 5 |
| Ghana | 37 | 29 | 2 | 1 | 23 | 1 | 4 | 7 | 1 | 1 | 26 | 1 | 7 | 2 |
| Guinea Conakry | 145 | 92 | 19 | 8 | 5 | 2 | 22 | 92 | 16 | 11 | 12 | 4 | 49 | 69 |
| Guinea Bissau | 14 | 12 | 3 | – | – | 1 | 2 | 11 | – | – | 1 | 1 | 1 | 11 |
| Ivory Coast | 104 | 67 | 15 | 10 | 13 | 5 | 27 | 45 | 4 | 10 | 40 | 8 | 29 | 17 |
| Liberia | 518 | 188 | 33 | 300 | 19 | 11 | 19 | 157 | 12 | 315 | 54 | 14 | 25 | 110 |
| Madagascar | 3 | 3 | – | – | 1 | – | 2 | – | – | – | 1 | – | 2 | – |
| Mali | 267 | 218 | 76 | 14 | 14 | 6 | 211 | 15 | 7 | 13 | 18 | 6 | 218 | 12 |
| Niger | 6 | 6 | 3 | – | – | 2 | 3 | – | 1 | – | – | 2 | 4 | – |
| Nigeria | 563 | 410 | 136 | 30 | 191 | 232 | 16 | 47 | 47 | 31 | 230 | 251 | 23 | 28 |
| Senegal | 99 | 76 | 20 | 10 | 1 | 5 | 7 | 67 | 9 | 10 | 12 | 6 | 11 | 60 |
| Sierra Leone | 7 | 3 | 1 | 2 | – | 1 | – | 4 | – | 3 | – | 1 | – | 3 |
| Tanzania | 4 | 4 | 1 | – | 1 | 1 | 1 | 1 | – | – | 1 | 1 | 1 | 1 |
| Togo | 226 | 86 | 2 | 4 | 210 | 1 | 2 | 9 | – | 4 | 214 | – | 2 | 6 |
| Zambia | 4 | 4 | 1 | – | 1 | – | 3 | – | – | – | 1 | – | 3 | – |
| Zimbabwe | 2 | 1 | – | 1 | – | – | – | 1 | – | 1 | – | – | – | 1 |
| Others | 19 | 11 | 4 | 2 | 1 | 3 | 6 | 6 | 1 | 2 | 2 | 2 | 8 | 5 |
| Total | 2,179 | 1,330 | 350 | 387 | 536 | 283 | 374 | 493 | 106 | 404 | 686 | 303 | 438 | 348 |