Table 5. Combined impact of zeolite and Enterobacter sp. MN17 on the activity of antioxidants of Brassica napus grown in normal and Cd contaminated soil.
| Treatments | Enzyme activity (nmol mint-1 mg-1 protein) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Catalase (CAT) |
Ascorbate peroxidase (APX) |
Superoxide dismutase (SOD) |
Glutathione reductase (GR) |
Glutathione peroxidase (GPX) |
Glutathione S-transferase (GST) |
|||||||
| 0 mg | 80 mg Cd kg-1 | 0 mg | 80 mg Cd kg-1 | 0 mg | 80 mg Cd kg-1 | 0 mg | 80 mg Cd kg-1 | 0 mg | 80 mg Cd kg-1 | 0 mg | 80 mg Cd kg-1 | |
| Cd kg-1 | Cd kg-1 | Cd kg-1 | Cd kg-1 | Cd kg-1 | Cd kg-1 | |||||||
| Control | 22.46b | 28.60a | 61.11b | 74.20a | 168.79b | 226.05a | 35.87b | 39.36a | 0.153b | 0.164a | 16.61d | 20.17a |
| Zeolite | 22.35b | 22.70b | 56.74c | 61.11b | 118.80c | 166.65b | 26.93d | 35.72b | 0.147c | 0.154b | 15.46g | 18.48b |
| Enterobacter sp. MN17 | 22.22b | 22.30b | 48.01d | 56.74c | 97.84d | 112.26c | 25.87d | 32.46c | 0.137e | 0.143d | 15.78f | 18.14c |
| Enterobacter sp. MN17 + Zeolite | 18.13d | 21.40c | 39.28e | 48.01d | 70.95f | 82.52e | 19.41e | 26.28d | 0.115f | 0.135e | 13.15h | 16.52d |
Data are shown as mean of three replicates, p< 0.05 (probability level)