Table 3. Means, standard deviation (SD), coefficient of variation (CV) and t-test results (P, in bold) for the agronomic morphological traits for the different botanical groups from the Lower Guinea Coast (Lower) and the Upper Guinea Coast (Upper).
| Botanical group | Glaberrima | Indica | Japonica | Average | ||||
| Region | Lower | Upper | Lower | Upper | Lower | Upper | all groups | |
| Trait | N | 17 | 32 | 29 | 17 | 8 | 48 | 151 |
| Culm length (cm) | Mean | 79.1 | 86.3 | 81.0 | 82.5 | 89.2 | 82.4 | 83.4 |
| SD | 5.10 | 6.52 | 8.37 | 6.25 | 5.09 | 5.72 | 6.18 | |
| CV (%) | 6.45 | 7.55 | 10.33 | 7.57 | 5.71 | 6.94 | 7.43 | |
| P | 0.000 | 0.528 | 0.003 | |||||
| Plant height (cm) | Mean | 99.1 | 109.7 | 103.3 | 104.7 | 110.2 | 103.9 | 105.2 |
| SD | 5.22 | 7.09 | 9.21 | 6.17 | 6.27 | 6.52 | 6.75 | |
| CV (%) | 5.27 | 6.46 | 8.91 | 5.89 | 5.68 | 6.27 | 6.41 | |
| P | 0.000 | 0.561 | 0.014 | |||||
| Panicle length (cm) | Mean | 20.1 | 23.4 | 22.3 | 22.2 | 21.1 | 21.5 | 21.8 |
| SD | 1.01 | 1.29 | 1.44 | 1.01 | 1.95 | 2.23 | 1.49 | |
| CV (%) | 5.03 | 5.50 | 6.46 | 4.55 | 9.24 | 10.37 | 6.86 | |
| P | 0.000 | 0.800 | 0.611 | |||||
| Leaf length (cm) | Mean | 41.4 | 42.3 | 43.1 | 42.8 | 48.7 | 46.3 | 44.1 |
| SD | 2.80 | 2.52 | 4.17 | 2.65 | 3.22 | 3.91 | 3.21 | |
| CV (%) | 6.77 | 5.96 | 9.66 | 6.19 | 6.62 | 8.45 | 7.28 | |
| P | 0.234 | 0.761 | 0.107 | |||||
| Leaf width | Mean | 1.44 | 1.46 | 1.04 | 1.06 | 1.50 | 1.58 | 1.34 |
| SD | 0.07 | 0.12 | 0.10 | 0.14 | 0.08 | 0.20 | 0.12 | |
| CV (%) | 5.04 | 8.14 | 9.62 | 13.17 | 5.62 | 12.57 | 9.03 | |
| P | 0.140 | 0.572 | 0.261 | |||||
| # tillers / plant | Mean | 5.2 | 4.8 | 4.3 | 4.6 | 3.3 | 3.1 | 4.2 |
| SD | 0.80 | 0.80 | 0.58 | 0.64 | 0.46 | 0.59 | 0.65 | |
| CV (%) | 15.48 | 16.46 | 13.32 | 14.05 | 14.11 | 19.12 | 15.42 | |
| P | 0.599 | 0.208 | 0.485 | |||||
| # panicles / plant | Mean | 4.5 | 4.4 | 3.8 | 4.0 | 2.7 | 2.7 | 3.7 |
| SD | 0.56 | 0.70 | 0.52 | 0.60 | 0.30 | 0.47 | 0.53 | |
| CV (%) | 12.51 | 16.19 | 13.98 | 15.05 | 10.89 | 17.39 | 14.34 | |
| P | 0.621 | 0.123 | 0.738 | |||||
| Average 200 seed weight (g) | Mean | 4.63 | 4.17 | 4.67 | 4.77 | 5.29 | 4.82 | 4.73 |
| SD | 0.19 | 0.41 | 0.38 | 0.44 | 0.33 | 0.73 | 0.41 | |
| CV (%) | 4.10 | 9.83 | 8.07 | 9.12 | 6.29 | 15.08 | 8.75 | |
| P | 0.000 | 0.421 | 0.082 | |||||
| Seed length (mm) | Mean | 8.69 | 8.40 | 9.13 | 9.03 | 9.25 | 8.66 | 8.86 |
| SD | 0.16 | 0.29 | 0.68 | 0.60 | 0.49 | 0.82 | 0.51 | |
| CV (%) | 1.84 | 3.45 | 7.47 | 6.68 | 5.28 | 9.51 | 5.71 | |
| P | 0.001 | 0.629 | 0.058 | |||||
| Seed width (mm) | Mean | 3.07 | 3.03 | 2.93 | 2.96 | 3.18 | 3.25 | 3.07 |
| SD | 0.07 | 0.13 | 0.30 | 0.19 | 0.24 | 0.31 | 0.21 | |
| CV (%) | 2.28 | 4.29 | 10.27 | 6.26 | 7.50 | 9.52 | 6.69 | |
| P | 0.112 | 0.651 | 0.545 | |||||
| Average CV (%) | 5.9 | 7.6 | 8.9 | 8.0 | 7.0 | 10.5 | ||