Table 5 Genotypic (above the diagonal) and phenotypic (below the diagonal) correlations between the traits grain yield (YLD, kg.ha−1), plant height (PHT, cm) and days to flowering (DTF, days), by cycle and over the whole period.
From: Population improvement via recurrent selection drives genetic gain in upland rice breeding
Cycle | TRAIT | FLW | PHT | YLD |
|---|---|---|---|---|
3 | FLW | 1 | 0.04 | −0.05 |
PHT | −0.07 | 1 | 0.10 | |
YLD | −0.19 ** | 0.55 ** | 1 | |
4 | FLW | 1 | 0.13 | −0.22 * |
PHT | −0.80 ** | 1 | −0.10 | |
YLD | −0.89 ** | 0.86 ** | 1 | |
5 | FLW | 1 | −0.03 | −0.13 |
PHT | −0.50 ** | 1 | 0.31 ** | |
YLD | −0.07 | 0.21 ** | 1 | |
6 | FLW | 1 | −0.05 | −0.26 * |
PHT | 0.37 ** | 1 | 0.16 | |
YLD | 0.01 | 0.62 ** | 1 | |
7 | FLW | 1 | 0.04 | 0.12 |
PHT | 0.14 ** | 1 | 0.13 | |
YLD | 0.21 ** | 0.80 ** | 1 | |
All Cycles | FLW | 1 | −0.57 ** | −0.20 ** |
PHT | −0.40 ** | 1 | 0.30 ** | |
YLD | −0.22 ** | 0.51 ** | 1 |