Table 3.
Residual toxicity of imidacloprid, profenofos and thiodicarb against field populations Aenasius arizonensis.
| Insecticides | Populations | Slope ± SEm | χa (df) | P | LC50 (mg L−1) | Fiducial limit 95% CI | RR | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Imidacloprid | Junagadh | 1.750 ± 0.270 | 4.830 (5) | 0.437 | 0.0036 | 0.0030 | 0.0042 | 18.0 |
| Ludhiana | 2.450 ± 0.341 | 10.33 (5) | 0.066 | 0.0045 | 0.0022 | 0.0083 | 22.50 | |
| Saoner | 2.127 ± 0.314 | 4.957 (5) | 0.421 | 0.0035 | 0.0220 | 0.0460 | 17.50 | |
| Chhindwara | 1.136 ± 0.162 | 7.310 (5) | 0.198 | 0.0010 | 0.0008 | 0.0014 | 5.00 | |
| Lab population | 0.798 ± 0.197 | 0.906 (5) | 0.038 | 0.0002 | 0.0001 | 0.0008 | 1.00 | |
| Profenofos | Junagadh | 1.860 ± 0.314 | 10.32 (5) | 0.066 | 0.0060 | 0.0046 | 0.0079 | 60.0 |
| Ludhiana | 1.595 ± 0.254 | 12.03 (5) | 0.034 | 0.0036 | 0.0026 | 0.0046 | 36.0 | |
| Saoner | 3.255 ± 0.468 | 4.652 (5) | 0.460 | 0.0031 | 0.0024 | 0.0042 | 31.0 | |
| Chhindwara | 1.300 ± 0.186 | 4.432 (5) | 0.490 | 0.0009 | 0.00021 | 0.00072 | 9.00 | |
| Lab population | 1.294 ± 0.275 | 0.392 (5) | 0.075 | 0.0001 | 0.00008 | 0.00015 | 1.00 | |
| Thiodicarb | Junagadh | 1.931 ± 0.289 | 5.166 (5) | 0.396 | 0.0030 | 0.0020 | 0.0050 | 7.14 |
| Ludhiana | 1.660 ± 0.256 | 7.545 (5) | 0.183 | 0.0030 | 0.0010 | 0.0080 | 7.14 | |
| Saoner | 2.301 ± 0.326 | 6.909 (5) | 0.227 | 0.0043 | 0.0024 | 0.0062 | 10.24 | |
| Chhindwara | 1.106 ± 0.183 | 5.370 (5) | 0.372 | 0.0018 | 0.0012 | 0.0032 | 4.28 | |
| Lab population | 1.351 ± 0.222 | 1.065 (5) | 0.056 | 0.00042 | 0.00024 | 0.00085 | 1.00 | |
SE, Standard Error; χ2,chi-square test of goodness of fit of concentration-mortality response; df, Degrees of freedom; LC, Lethal Concentration; FL, Fiducial Limits; Relative Resistance (RR) = LC50 of field population/LC50 of laboratory reared Susceptible check.