Table 2 Toxicity of imidacloprid to field populations of Aphis gossypii after treatment with ampicillin for 7Â days
Strains | Treatment | LC50 (95% CL) (mg/L)a | RRb |
|---|---|---|---|
SXYC |  | 19,830.07 (8217.73–280,352.90) | 6315 |
SXYC | Ampicillin | 844.08 (295.00–1574.49) | 269 |
XJAKS |  | 14.89 (0.07–77.43) | 5 |
XJAKS | Ampicillin | 12.20 (7.20–18.34) | 4 |
SDDY |  | 2391.80 (1263.84–5208.50) | 762 |
SDDY | Ampicillin | 2124.98 (1261.05–3653.50) | 677 |
HBHS |  | 2272.55 (1178.86–5531.05) | 724 |
HBHS | Ampicillin | 2111.01 (1201.04–3575.02) | 672 |
XJSW |  | 154.40 (90.40–224.070) | 49 |
XJSW | Ampicillin | 96.98 (39.092386.33) | 31 |
XJWS |  | 172.71 (34.36–386.33) | 55 |
XJWS | Ampicillin | 55.82 (8.11–127.38) | 18 |
HBJZ |  | 180.29 (14.42–400.70) | 57 |
HBJZ | Ampicillin | 132.54 (68.97–211.98) | 42 |
SDJN |  | 15.86 (1.40–47.62) | 5 |
SDJN | Ampicillin | 13.54 (3.12–27.02) | 4 |
SDBZ |  | 427.03 (21.66–1208.87) | 136 |
SDBZ | Ampicillin | 116.61 (44.82–202.40) | 37 |