Table 4. Results of different likelihood ratio tests for testing different hypothesis on the relevance and interpretation of the family × environment interaction across the two progeny trials.
Hypothesis testing |
Tree diameter |
Cone weight |
Mean SW |
Variation SW |
||||
---|---|---|---|---|---|---|---|---|
X2 | P>χ | χ2 | P>χ | χ2 | P>χ | χ2 | P>χ | |
Homogeneity of family variances | 0.0 | 0.500 | 0.1 | 0.376 | 0.1 | 0.376 | 0.2 | 0.327 |
Homogeneity of residual variances | 16.9 | 0.000 | 0.3 | 0.292 | 2.4 | 0.061 | 38.2 | 0.000 |
Genetic correlation not different from zero | 0.0 | 0.500 | 0.6 | 0.219 | 10.9 | 0.000 | 0.4 | 0.264 |
Genetic correlation not different from one | 0.0 | 0.500 | 1.7 | 0.096 | 0.0 | 0.500 | 0.1 | 0.376 |
Abbreviation: SW, seed weight. Significant probability values (P<0.05) are given in boldface.