Table 2.
Combined ANOVA for yield per plant (Kg), total soluble solids (TSS, °Brix), and earliness (DTR) across the six environments used in the experiment.
| Yield G2 † | Yield G4 | TSS | Earliness | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| df | MS | df | MS | df | MS | df | MS | |||||
| Environments | 5 | 329.46 | *** | 5 | 763.43 | *** | 4 | 6504.65 | *** | 5 | 3696.62 | *** |
| Entries | 35 | 28.03 | *** | 27 | 62.32 | *** | 27 | 634.81 | *** | 27 | 712.42 | *** |
| GCA | 7 | 82.95 | *** | 7 | 216.06 | *** | 7 | 86.73 | *** | 7 | 456.55 | *** |
| SCA | 28 | 14.31 | *** | 20 | 8.51 | *** | 20 | 3.64 | 20 | 32.16 | *** | |
| Env × Entries | 175 | 3.29 | *** | 135 | 5.12 | *** | 108 | 54.38 | *** | 135 | 44.62 | *** |
| Env × GCA | 35 | 6.55 | *** | 35 | 7.84 | *** | 28 | 5.670 | * | 35 | 18.93 | *** |
| Env × SCA | 140 | 2.48 | *** | 100 | 4.17 | ** | 80 | 0.66 | 100 | 5.50 | ||
| Error | 420 | 1.35 | 324 | 2.86 | 11,169 | 3.89 | 2335 | 4.61 | ||||
| GCA Variance (σ2g) | 0.674 | ** | 1.888 | *** | 0.867 | *** | 3.805 | *** | ||||
| SCA Variance (σ2s) | 2.559 | *** | 0.242 | * | 0.199 | *** | 1.481 | *** | ||||
| GCA × Env Variance | 0.124 | *** | 0.204 | *** | 0.280 | *** | 0.746 | *** | ||||
| SCA × Env Variance | 0.648 | *** | 0.436 | *** | 0 | *** | 0.299 | *** | ||||
| Error Variance (σ2E) | 2.651 | 2.860 | 3.889 | 4.607 | ||||||||
| Additive Variance (σ2A) | 1.349 | 3.775 | 1.734 | 7.611 | ||||||||
| Dominance Variance (σ2D) | 2.559 | 0.242 | 0.199 | 1.481 | ||||||||
| Phenotypic Variance (σ2P) | 6.558 | 6.877 | 5.821 | 13.698 | ||||||||
| GCA–SCA ratio (σ2g/σ2s) | 0.263 | 7.816 | 4.360 | 2.570 | ||||||||
| Narrow sense Heritability (h2N) | 0.206 | 0.549 | 0.298 | 0.556 | ||||||||
| Broad sense Heritability (h2B) | 0.596 | 0.584 | 0.332 | 0.664 | ||||||||
*, **, *** Significant at 0.05, 0.01, and 0.001 probability level, respectively. † G2 and G4 are referred to Griffing’s methods two and four, respectively. GCA: general combining activity; SCA: specific combining activity.