Table 1.
Analysis of Nosema infection, individual (THC, PO) and social immunity (GOX, HPG) as a function of experimental treatment (control, Nosema, imidacloprid and Nosema × imidacloprid), age and colony origin.
| Parameter | Source of variation | d.f. | F | P |
|---|---|---|---|---|
| Nosema | Treatment | 3, 358 | 161.3 | < 0.001 |
| Age | 1, 358 | 265.5 | < 0.001 | |
| Colony | 2, 358 | 10.9 | < 0.001 | |
| THC | Treatment | 3, 349 | 1.3 | 0.274 |
| Age | 1, 349 | 5.4 | 0.021 | |
| Colony | 2, 349 | 13.9 | < 0.001 | |
| PO | Treatment | 3, 352 | 1.57 | 0.197 |
| Age | 1, 352 | 10.9 | < 0.001 | |
| Colony | 2, 352 | 17 | < 0.001 | |
| GOX | Treatment | 3, 182 | 4.6 | 0.004 |
| Colony | 1, 182 | 1.9 | 0.168 | |
| HPG | Treatment | 3, 180 | 7.3 | < 0.001 |
| Colony | 2, 180 | 1.2 | 0.288 |