Table 4.
Additive effects analysis of variance of AMMI model for the studied traits of sugar beet genotypes.
| Source of variation | df | Mean of squares | |||
|---|---|---|---|---|---|
| Root yield (RY) | White sugar yield (WSY) | Sugar content (SC) | Extraction coefficient of sugar (ECS) | ||
| Environment | 9 | 13,998.20** | 338.67** | 275.95** | 663.73** |
| Error 1 | 30 | 247.00 | 6.90 | 3.85 | 44.71 |
| Genotype | 17 | 1343.90** | 42.61** | 7.88** | 95.03** |
| Environment: genotype | 153 | 249.70** | 6.31** | 1.72* | 19.07** |
| Error 2 | 510 | 53.70 | 1.66 | 1.40 | 11.21 |
| Coefficient of variation (%) | 11.88 | 14.73 | 6.69 | 4.20 | |
ns, *, **: non-significant and significant at five and one percent probability levels, respectively.