| Area of Benin | Clusters | Characteristic of cluster |
| South-Benin | Cluster 1 | Large height plant, good husk cover, late flowering and large height cob insertion. |
| Cluster 2 | Large height plant, good husk cover and late flowering | |
| Cluster 3 | Medium husk cover and average height plant. | |
| Cluster 4 | Small height plant, bad husk cover, middle germination time and early flowering | |
| Center-Benin | Cluster 1 (A and B) | Small height, bad husk cover, early germination time and early flowering |
| Cluster 2 (C and D) | Medium height and medium husk cover. | |
| North-Benin | Cluster 1 | Large height plant, good husk cover and late flowering. |
| Cluster 2 | Medium height and bad husk cover. | |
| Cluster 3 | Small height, bad husk cover, late germination time and early flowering. | |
| Cluster 4 | Medium height, bad husk cover and late flowering. |