Table 5 Effect of different concentrations of kaolin or K2SO4 under different levels of water holding capacity on lipid peroxidation (μg malondialdehyde/g fresh weight) and antioxidant enzyme activity (g fresh weight/h) of wheat plants after 75 days from sowing (combined analysis of two seasons)
WHC (%) | Treatment | Lipid peroxidation | POX | SOD | CAT |
|---|---|---|---|---|---|
80% | Control | 20.87 | 26.04 | 96.24 | 96.84 |
Kaolin 3% | 17.12 | 36.84 | 84.48 | 23.82 | |
Kaolin 6% | 16.32 | 33.49 | 82.36 | 48.96 | |
K2SO4 (100 mg/l) | 15.74 | 46.44 | 56.27 | 81.18 | |
K2SO4 (200 mg/l) | 17.18 | 64.14 | 45.66 | 66.60 | |
60% | Control | 21.82 | 46.14 | 24.81 | 25.40 |
Kaolin 3% | 19.72 | 68.67 | 55.58 | 43.86 | |
Kaolin 6% | 18.91 | 48.98 | 44.58 | 82.04 | |
K2SO4 (100 mg/l) | 16.84 | 46.59 | 78.44 | 86.82 | |
K2SO4 (200 mg/l) | 17.64 | 58. 34 | 63.33 | 122.46 | |
40% | Control | 25.74 | 41.67 | 21.00 | 20.14 |
Kaolin 3% | 21.56 | 64.52 | 44.34 | 87.98 | |
Kaolin 6% | 20.80 | 45.51 | 86.18 | 114.58 | |
K2SO4 (100 mg/l) | 22.34 | 52.62 | 140.79 | 69.78 | |
K2SO4 (200 mg/l) | 21.18 | 44.90 | 118.92 | 71.58 | |
LSD at 5% | 0.20 | 4.01 | 4.67 | 4.67 | |