Table 3 Biochemical effects of tested pyrethroids on some enzymes activity in C. pipiens larvae after 24 h of the treatment with LC50 of each compound
Treatment | Type of formulation | Specific activity (OD mg protein−1 min) ± SE | ||
|---|---|---|---|---|
ATPase | CaE | GST | ||
Untreated sample | – | 1.40 ± 0.04 | 3.31 ± 0.01 | 2.70 ± 0.27 |
Alpha-cypermethrin | T | 0.86 ± 0.02 | 5.06 ± 0.15 | 5.31 ± 0.70 |
EC | 1.38 ± 0.01 | 7.02 ± 0.50 | 7.54 ± 0.88 | |
NE | 1.18 ± 0.00 | 4.53 ± 0.25 | 11.94 ± 0.84 | |
Deltamethrin | T | 0.69 ± 0.02 | 3.44 ± 0.19 | 5.49 ± 0.60 |
EC | 0.77 ± 0.04 | 3.63 ± 0.71 | 5.63 ± 0.80 | |
NE | 0.75 ± 0.03 | 4.12 ± 0.09 | 5.90 ± 0.30 | |
Lambda-cyhalothrin | T | 0.62 ± 0.05 | 1.51 ± 0.09 | 4.57 ± 0.48 |
EC | 1.19 ± 0.02 | 3.32 ± 0.10 | 6.55 ± 0.85 | |
NE | 1.03 ± 0.01 | 3.35 ± 0.01 | 6.15 ± 0.45 | |
Permethrin | T | 0.64 ± 0.00 | 2.31 ± 0.09 | 6.32 ± 0.59 |
EC | 0.83 ± 0.13 | 2.66 ± 0.08 | 7.85 ± 0.44 | |
NE | 0.50 ± 0.01 | 3.37 ± 0.12 | 7.86 ± 0.37 | |