Table 1.
ANOVA on relative growth rate demonstrating extrinsic postmating isolation
| Effects | df | MS | F | P |
|---|---|---|---|---|
| Generation 2: F1 hybrid and pure crosses | ||||
| Cross type | 3 | 0.00194 | 1.29 | 0.3022 |
| Host environment | 1 | 0.01515 | 30.51 | <0.0001 |
| Cross type by host environment | 3 | 0.08559 | 172.40 | <0.0001 |
| Family (cross type) | 22 | 0.00151 | 1.28 | 0.1869 |
| Family (cross type) by environment | 16 | 0.00050 | 0.42 | 0.9764 |
| Residual | 249 | 0.00118 | ||
| Generation 3: Backcross hybrids | ||||
| Backcross type | 1 | 0.00098 | 2.19 | 0.1469 |
| Host environment | 1 | 0.00065 | 0.43 | 0.5171 |
| Backcross type by host environment | 1 | 0.03999 | 26.55 | <0.0001 |
| Family (cross type) | 38 | 0.00045 | 0.58 | 0.9794 |
| Family (cross type) by environment | 35 | 0.00151 | 1.94 | 0.0015 |
| Residual | 348 | 0.00078 |