Table 5.
Results of the PERMANOVA analysis testing the root morphology of maize plants against the stress treatment [Control (C), Drought (D), Heat (H) and Heat+Drought (HD)].
| Factor | df | R2 | F | p | ||
|---|---|---|---|---|---|---|
| Stress treatment | 3 | 0.6693 | 8.0955 | <0.001 | ||
| Residual | 12 | 0.3307 | ||||
| Total | 15 | 1.0000 | ||||
| Pairwise contrasts | ||||||
| F model | R2 | p | ||||
| C vs. D | 9.262202 | 0.6068719 | 0.031 | |||
| C vs. H | 3.877963 | 0.3925873 | 0.053 | |||
| C vs. HD | 15.925573 | 0.7263469 | 0.027 | |||
| D vs. H | 7.056074 | 0.5404438 | 0.034 | |||
| D vs. HD | 13.677155 | 0.6950779 | 0.023 | |||
| H vs. HD | 7.751958 | 0.5636985 | 0.054 | |||