Table 1. LC50 values of CSIs on 2nd instars of Leptinotarsa decemlineata 72 hours after using the leaf dip method.
| Insecticides | LC50 (mg ai/L) (95% CI) | Slope ± SE | LC90 (mg ai/L) (95% CI) | χ2 |
|---|---|---|---|---|
| Diflubenzuron | 58.60 (55.75–61.00) | 8.10 ± 1.12 | 84.50 ( 78.14–96.17) | 1.43 ns |
| Cyromazine | 69.60 (51.93–89.73) | 1.34 ± 0.17 | 628.00 (403.27–1264.50) | 2.80 ns |
| Lufenuron | 27.30 (23.60–29.94) | 4.30 ± 0.74 | 54.90 (43.40–70.83) | 0.96 ns |
| Hexaflumuron | 0.79 (0.64–0.91) | 5.76 ± 0.50 | 1.30 (1.07–1.96) | 7.78 ns |
| Triflumuron | 81.40 (73.82–88.00) | 4.03 ± 0.48 | 168.50 (148.59–203.63) | 1.67 ns |