Table 2.
MANOVA examining effects of target genotype, sex of target genotype, cross-type and interaction terms on two estimates of relative fitness: sexual and clonal performance of offspring.
| source of variation | error term | d.f. | Wilks' F | p | type III sums of squares of univariate tests | ||
|---|---|---|---|---|---|---|---|
| d.f. | sexual performance | clonal performance | |||||
| target genotype (TG) | pooled error | 128, 942 | 1.18 | 0.0970 | 64 | 143.31** | 95.74* |
| cross-type | TG×cross-type | 4, 254 | 27.66 | <0.0001 | 2 | 1.41 | 63.87*** |
| TG×cross-type | pooled error | 256, 942 | 1.12 | 0.1285 | 128 | 178.24 | 122.48 |
| sex of TG | TG×sex of TG | 2, 63 | 0.86 | 0.4301 | 1 | 2.47 | 0.69 |
| TG×sex of TG | pooled error | 128, 942 | 1.28 | 0.0242 | 64 | 141.69* | 128.80*** |
| error | 472 | 695.36 | 527.48 | ||||
| t-values for contrasts between least-squared means of | within-population versus between-population crosses | −0.68 | −0.04 | ||||
| within-population versus hybrid crosses | −0.93 | 6.84*** | |||||
| between-population versus hybrid crosses | −0.39 | 6.99*** | |||||
Significance of univariate tests is indicated: *p<0.05, **p<0.01, ***p<0.001; n=746, R2=0.42 for sexual performance and R2=0.47 for clonal performance.