Antioxidant enzyme/MDA | Antioxidants enzyme (unit/mg protein) | Lipid peroxidation (nmol/g F. wt.) | ||
---|---|---|---|---|
Treatment | ||||
PPO | POD | CAT | MDA | |
Control | 5589.2 ± 115cd | 1.49 ± 0.12e | 0.604 ± 0.06c | 0.481 ± 0.01e |
Chilling (6 °C ± 0.5) | 8966.5 ± 577a | 5.23 ± 0.12a | 1.24 ± 0.1a | 0.888 ± 0.03a |
Pot. Silicate (80 mM) | 6821.5 ± 58.9b | 3.08 ± 0.12bcd | 0.952 ± 0.19b | 0.582 ± 0.02cd |
Humic acid (50 mg l−1) | 4608.5 ± 86ef | 3.88 ± 0.42b | 0.418 ± 0.1cd | 0.642 ± 0.02bc |
γ-rays (50 Gy) | 4059.4 ± 209f | 2.95 ± 0.12cd | 0.212 ± 0.002d | 0.558 ± 0.019de |
Chilling + Pot. silicate | 6226.6 ± 101bc | 3.48 ± 0.69bc | 0.692 ± 0.1bc | 0.703 ± 0.027b |
Chilling + Humic acid | 4996.4 ± 288de | 3.21 ± 0.12bcd | 0.596 ± 0.02c | 0.702 ± 0.024 b |
Chilling + γ-rays | 8234.01 ± 126a | 2.44 ± 0.43d | 0.212 ± 0.002d | 0.572 ± 0.026cd |
LSD at 0.05 | 758 | 0.8964 | 0.2769 | 0.078 |
% of inc. in chilling values compared with control | 60.4 | 251 | 106 | 84.61 |
% of dec. in Chilling + HA compared chilled plants | 44.3 | 38.6 | 51.93 | 20.94 |