Table 8.
Variance components estimation from a linear mixed model (LMMs) for MRY, DW, BC and VC in 11 sweet potato genotypes.
| Parameters | MRY | DW | BC | VC |
|---|---|---|---|---|
| Genotype | 22.42** | 23.11*** | 106.2*** | 23.25*** |
| GEI | 15.3*** | 1.673** | 7.092*** | 3.192*** |
| Residual | 2.41 | 2.71 | 4.62 | 3.42 |
| Heritability | 0.56 | 0.84 | 0.90 | 0.78 |
| r2(GEI) | 0.38 | 0.06 | 0.06 | 0.11 |
| Accuracy | 0.90 | 0.98 | 0.99 | 0.97 |
***significant at p < 0.001, ** significant at p < 0.01, MRY marketable storage root yield (t/ha), DW dry weight of storage roots (%), BC beta-carotene content (mg/100g), VC vitamin C content (mg/100g) and r2(GEI) GEI correlation coefficient.