Table 2 Toxicity of chlorpyrifos to 2nd instar larvae of laboratory (Unsel-Lab) and insecticide selected population (CPF-Sel) of S. Litura.
From: Fitness costs associated with laboratory induced resistance to chlorpyrifos in Spodoptera litura
Population | Na | LC50 (95%CI)b (µg/mL) | LC30 (95% CI)b (µg/mL) | LC20 (95% CI)b (µg/mL) | LC10 (95%CI)b (µg/mL) | LC5 (95%CIb (µg/mL) | Slope ± SEc | x2valued (df)e |
|---|---|---|---|---|---|---|---|---|
Unsel-Lab | 500 | 82.84 (73.41–93.32) | 44.89 (38.58–51.33) | 30.98 (25.82–36.21) | 18.53 (14.67–22.50) | 12.12 (9.16–15.25) | 1.97 ± 0.11 | 7.66 (7) |
CPF-Sel | 450 | 232.79 (203.24–267.97) | 125.62 (107.80–144.55) | 86.50 (72.25–101.17) | 51.55 (40.97–62.45) | 33.62 (25.48–42.19) | 1.96 ± 0.12 | 9.25 (6) |
