Table 6. Correlation coefficients between GD, heterosis levels, and combining abilities of each trait.
Trait | GD | SCA | MPH | BPH | |||||
MPH | BPH | SCA | MPH | BPH | GCAf | GCAm | GCAf | GCAm | |
SY | 0.05 | 0.06 | 0.19* | 0.43** | 0.49** | 0.36** | 0.19* | 0.35** | 0.27** |
SS | 0.13 | 0.08 | 0.43** | 0.34** | 0.31** | 0.16 | −0.09 | 0.15 | −0.07 |
SP | −0.11 | −0.13 | 0.04 | 0.55** | 0.53** | 0.37** | 0.18* | 0.34** | 0.27** |
TSW | −0.12 | −0.32** | −0.35** | 0.54** | 0.70** | 0.34** | 0.05 | 0.59** | 0.11 |
OC | −0.01 | 0.08 | −0.08 | 0.53** | 0.54** | 0.05 | −0.04 | −0.17* | −0.12 |
GD: genetic distance; GCAf: GCA of female parents; GCAm: GCA of male parents.
* Significant at p = 0.05; ** significant at p = 0.01.