Table 5.
Total phenotypic variance explained by all QTL detected for individual traits (R2) and prediction accuracy of genomic selection models measured in hybrids and lines per se under well-watered (WW) and drought stressed (DS) conditions.
| Phenotypic var. explained by all QTL; R2 | GS prediction accuracy | |||||||
|---|---|---|---|---|---|---|---|---|
| Trait | Hybrid_WW | Hybrid_DS | Line_WW | Line_DS | Hybrid_WW | Hybrid_DS | Line_WW | Line_DS |
| GY | 8.59 | 0 | 25.1 | 0 | 21.5 | 16.9 | 25.5 | 22.3 |
| DSS | 6.78 | NA | 0 | NA | 20.6 | NA | 0.25 | NA |
| Anthesis | 10.4 | 9.57 | 9.1 | 11.8 | 30.3 | 38.3 | 25.2 | 48.9 |
| PHT | 17 | 6.45 | 37.3 | 0 | 30.0 | 27.7 | 26.0 | 28.0 |
| ASI | 0 | 12.4 | 7.7 | 0 | 19.5 | 44.9 | 25.3 | 40.6 |
| NDVI | 12.2 | NA | 0 | NA | 16.0 | NA | 25.0 | NA |
| SEN | NA | 14.4 | NA | 25.2 | NA | 31.4 | NA | 42.9 |
| LR | NA | 8.59 | NA | 7.84 | NA | 18.7 | NA | −7.1 |
| GLAD | NA | 7.07 | NA | 0 | NA | 32.3 | NA | 25.1 |
Traits displayed are: grain yield (GY), drought stress susceptibility (DSS), anthesis, plant height (PHT), anthesis silking interval (ASI), normalized differential vegetative index NDVI, senescence (SEN), leaf rolling (LR) and GLAD.