Table 2.
Results of a nested ANOVA for pollen viability and germination success. The factors ‘species’ and ‘population’ are nested within species. Significant effects are in bold.
| fitness character | source of variation | d.f. | sum of squares | F-ratio | p |
|---|---|---|---|---|---|
| germination rates | population (species) | 11 | 1.130 | 4.433 | <0.0001 |
| species | 1 | 0.053 | 2.300 | 0.132 | |
| total pollen | population (species) | 11 | 4.61 × 109 | 8.373 | <0.0001 |
| species | 1 | 6.891 × 1010 | 1376.8 | <0.0001 | |
| pollen viability | population (species) | 11 | 3.735 | 9.257 | <0.0001 |
| species | 1 | 5.429 | 148.0 | <0.0001 |