Table 2.
Permutational analysis of variance (PERMANOVA) assessing dissimilarity of rhizosphere bacterial communities according to soil incubation and plant species identity (using a Bray–Curtis dissimilarity matrix).
| df | MS | F-value | R2 | |
|---|---|---|---|---|
| Whole community | ||||
| Soil incubation | 1 | 19.671 | 251.56*** | 0.55 |
| Species identity | 17 | 0.155 | 1.99*** | 0.07 |
| Soil incubation × species identity | 17 | 0.1489 | 1.90*** | 0.07 |
| Residual | 136 | 0.078 | ||
| Subset of specific responders (after incubation) | ||||
| Species identity | 17 | 0.187 | 1.60*** | 0.29 |
| Residual | 68 | 0.116 | ||
| Subset of common responders (after incubation) | ||||
| Species identity | 17 | 0.084 | 1.73*** | 0.30 |
| Residual | 68 | 0.048 | ||
Significance of tests indicated by ∗∗∗p < 0.001; ns, not significant (p > 0.05). df, degrees of freedom, MS, mean squares, F-value, value compared to the F distribution, R2, proportion of variation explained.