Table 4.
Effects of pollination and temperature treatments on per-plant reproductive success
| Experiment or site | Pollination treatments | Seed number | Seed mass (g) | ||
|---|---|---|---|---|---|
| Control | Stress | Control | Stress | ||
| Sonning | Bees | 19.8 ± 12.3 | 13.1 ± 6.6 | 9.3 ± 6.4 | 6.3 ± 3.1 |
| None | 18.6 ± 7.8 | 9.4 ± 5.3 | 8.8 ± 5.0 | 5.2 ± 3.3 | |
| Harborne | Bees | 26.4 ± 10.8 | 17.6 ± 8.2 | 13.2 ± 5.3 | 8.4 ± 4.2 |
| None | 16.2 ± 6.3 | 6.2 ± 5.0 | 9.2 ± 4.1 | 3.8 ± 3.3 | |
| Model parameter | |||||
| Temp | – | P<0.001 | |||
| Poll:temp | P=0.034 | P=0.685 | |||
| Poll:site | P=0.003 | P=0.022 | |||
| Temp:site | P=0.517 | P=0.242 | |||
| Poll:temp:site | P=0.445 | P=0.959 | |||
| Flight cages | Bees | 56.0 ± 16.8 | 34.9 ± 9.9 | 33.6 ± 7.7 | 25.5 ± 7.6 |
| None | 29.2 ± 10.3 | 16.4 ± 5.7 | 18.4 ± 5.6 | 10.0 ± 4.8 | |
| Bees+tripping | 56.4 ± 24.7 | 32.1 ± 8.9 | 31.1 ± 15.1 | 24.4 ± 5.6 | |
| None+tripping | 55.3 ± 20.7 | 39.4 ± 11.5 | 29.4 ± 10.2 | 25.6 ± 7.3 | |
| Model parameter | |||||
| Temp | P=0.005 | P=0.027 | |||
| Poll | P<0.001 | P<0.001 | |||
| Poll:temp | P=0.883 | P=0.847 | |||
Presented values are the observed mean ±SD, and P-values are from likelihood ratio tests (see Supplementary Table S1 for more information).
For the flight cage experiment, means and SDs were calculated from data already aggregated across flight cages and cabinets. Abbreviations: poll, pollination treatment, temp, temperature treatment, interactions are indicated by ':'. Lower level interactions and individual parameters are not included if in a higher level interaction.
Bold significance values are significant to P<0.05.