Table 2.
Analyses of effects of site and bract treatment on initial seed set, final seed set and seed predation, with significant results in bold. Where there is a significant interaction between site and treatment, analyses are additionally shown separately by site.
| Source of variation | β | SE | df | χ2 | P |
|---|---|---|---|---|---|
| Initial seed set (across sites) | |||||
| Site | −0.066 | 0.069 | 5 | 56.522 | <0.0001 |
| Treatment | 0.001 | 0.006 | 1 | 0.014 | 0.906 |
| Site × treatment | −0.010 | 0.069 | 5 | 1.032 | 0.960 |
| Final seed set (across sites) | |||||
| Site | −0.015 | 0.068 | 5 | 18.157 | 0.0028 |
| Treatment | 0.025 | 0.006 | 1 | 16.710 | <0.0001 |
| Site × treatment | 0.013 | 0.068 | 5 | 4.913 | 0.4265 |
| Seed predation (across sites) | |||||
| Site | −0.081 | 0.076 | 5 | 46.755 | <0.0001 |
| Treatment | −0.072 | 0.007 | 1 | 92.808 | <0.0001 |
| Site × treatment | −0.053 | 0.076 | 5 | 36.782 | <0.0001 |
| Seed predation (Baishuitai) | |||||
| Treatment | −0.104 | 0.014 | 1 | 33.414 | <0.0001 |
| Seed predation (Sanba) | |||||
| Treatment | −0.144 | 0.015 | 1 | 47.959 | <0.0001 |
| Seed predation (Zhongdian) | |||||
| Treatment | −0.093 | 0.348 | 1 | 0.072 | 0.789 |
| Seed predation (Deqin) | |||||
| Treatment | −0.035 | 0.017 | 1 | 3.984 | 0.046 |
| Seed predation (Daxueshan) | |||||
| Treatment | −0.084 | 0.017 | 1 | 18.239 | <0.0001 |
| Seed predation (Shama) | |||||
| Treatment | −0.049 | 0.017 | 1 | 7.823 | 0.005 |