Table 1.
Linear model results for nodulation and generalized linear mixed model (GLMM) results for plant performance. (F, p and χ2 values are from type III ANOVAs. The GLMM used a gamma error distribution. Bold indicates statistically significant effects (i.e. p ≤ 0.05).)
| total nodules (no.) |
aboveground biomass (g) |
|||||
|---|---|---|---|---|---|---|
| predictors | F | d.f. | p | Wald χ2 value | d.f. | p |
| intercept | 1233 | 1, 178 | <0.001 | 349 | 1 | <0.001 |
| first strain | 10.5 | 2, 178 | <0.001 | 16.4 | 2 | <0.001 |
| second strain | 1.02 | 2, 178 | 0.364 | 0.422 | 2 | 0.810 |
| first strain × second strain interaction | 3.06 | 4, 178 | 0.0181 | 1.78 | 4 | 0.776 |