Table 4 Variance components of General Combining Ability (GCA) and Specific Combining Ability (SCA) from diallel analysis method-II for grain yield across three locations.
Source of variation | df | Variance component | P-value |
|---|---|---|---|
\({\sigma }^{2}GCA\) | 13 | 7521.4 | 0.0642 |
\({\sigma }^{2}SCA\) | 90 | 19,224.0 | 0.0041 |
\({\sigma }^{2}GCA\) × Environment | 13 | 3325.4 | 0.1134 |
\({\sigma }^{2}SCA\) × Environment | 90 | 38,692.0 | < .0001 |
\({\sigma }^{2}GCA\) /\({\sigma }^{2}SCA\) | – | 0.39 |  |
Predictability ratio | – | 0.44 |  |
