Table 6 The effect of carboxymethyl cellulose (CMC) and deashed biochar (DAB) on catalase, ascorbate peroxidase (APx), hydrogen peroxide (H2O2) and malondialdehyde (MDA) of maize cultivated under no drought and drought stress
DAB (%) | Catalase (CAT) (U/mg Protein) | Ascorbate peroxidase (APx) (U/mg Protein) | Hydrogen peroxide (H2O2) (n mol/g FW) | Malondialdehyde (MDA) (nmol/mg Protein) | Peroxidase (POD) (U/mg Protein) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Â | 0 CMC | 25 CMC | 0 CMC | 25 CMC | 0 CMC | 25 CMC | 0 CMC | 25 CMC | 0 CMC | 25 CMC |
| Â | Field Capacity 70 | Â | Â | Â | ||||||
0 | 48.56 ± 1.12c | 38.1 ± 1.04e | 3.4 ± 0.10b | 2.83 ± 0.07d | 32.87 ± 0.51c | 24.62 ± 1.17e | 0.8 ± 0.04b | 0.5 ± 0.03e | 29.32 ± 0.54c | 23.05 ± 1.18e |
0.5 | 41.04 ± 0.88a | 27.29 ± 1.38c | 2.98 ± 0.04a | 2.63 ± 0.05c | 27.12 ± 0.53a | 13.51 ± 0.81d | 0.59 ± 0.02a | 0.31 ± 0.04c | 26.54 ± 1.27a | 16.22 ± 0.62d |
1.0 | 44.44 ± 1.07b | 31.3 ± 2.21d | 3.06 ± 0.04ab | 2.73 ± 0.01c | 28.93 ± 0.01b | 21.02 ± 1.0d | 0.69 ± 0.03a | 0.38 ± 0.04d | 28.01 ± 0.22b | 19.98 ± 1.14de |
| Â | Drought Stress | Â | Â | Â | ||||||
0 | 77.34 ± 1.15c | 65.66 ± 1.6f | 4.94 ± 0.04b | 4.04 ± 0.15d | 53.3 ± 0.69c | 42.26 ± 1.02f | 1.44 ± 0.04c | 1.11 ± 0.06f | 41.85 ± 1.24c | 34.73 ± 0.37f |
0.5 | 73.42 ± 1.14b | 58.96 ± 2.18e | 4.82 ± 0.04a | 3.7 ± 0.10d | 51.29 ± 0.93b | 38.51 ± 1.63e | 1.32 ± 0.04b | 0.98 ± 0.06e | 39.42 ± 1.11b | 32.88 ± 0.55e |
1.0 | 70.11 ± 1.39a | 52.88 ± 2.21d | 4.53 ± 0.16a | 3.58 ± 0.03c | 47.96 ± 1.71a | 35.95 ± 0.84d | 1.24 ± 0.03a | 0.88 ± 0.03d | 36.26 ± 0.90a | 31.33 ± 0.66d |