Table 3.
Mean AChE activity (nmol/min/mg protein) and its inhibition by dichlorvos
| populations | AChE | RatioA | IC50 (M) | RatioB |
|---|---|---|---|---|
| Koohrang | 79.25±2.28c | - | 3.14×10 −7±1.56 | - |
| Mobarake | 155.65±2.83b | 1.96 | 2.32×10 −4±5.78 | 741.93 |
| Isfahan | 234.79±7.07a | 2.96 | 1.08×10 −4±2.33 | 343.94 |
A: ratio of enzyme activity in the resistant population/enzyme activity in the susceptible population
B: ratio of IC50 in the resistant population/IC50 in the susceptible population
a, b, c
significantly different by applying LSD (P< 0.05)