Table 2.
Results of ANOVA tests on the biochemical responses of earthworms exposed to MCs.
| Dose | Duration | Dose × Duration | |||||||
|---|---|---|---|---|---|---|---|---|---|
| df | F | P | df | F | P | df | F | P | |
| CAT activity | 4 | 16.296 | <0.0001** | 2 | 7.938 | 0.0017* | 8 | 22.954 | <0.0001** |
| GPx activity | 4 | 14.025 | <0.0001** | 2 | 4.905 | 0.0144* | 8 | 13.551 | <0.0001** |
| SOD activity | 4 | 1.120 | 0.3655 | 2 | 21.674 | <0.0001** | 8 | 2.239 | 0.0525 |
| MDA content | 4 | 17.682 | <0.0001** | 2 | 17.645 | <0.0001** | 8 | 3.573 | 0.0051** |
Dose or the duration of exposure had a significant effect (*p < 0.05, **p < 0.01). df, degree of freedom.