Table 3.
The contact toxicity of EOs on 10th instar of T. molitor
| EO | Treatment time (h) | Number of insects tested | LC50 (µg/cm2) 95% CIa | LC95 (µg/cm2) 95% CIa | Slope ± SE | Chi-square (df) | P* |
|---|---|---|---|---|---|---|---|
| L. cubeba | 24 | 450 | 19.6 | 196.8 | 1.64 ± 0.13 | 3.48 (4) | < 0.05 |
| (16.4–23.2) | (141.4–305.7) | ||||||
| 48 | 450 | 13.9 | 196.2 | 1.43 ± 0.13 | 6.67 (4) | < 0.05 | |
| (8.8–19.7) | (105.0–623.1) | ||||||
| C. limonum | 24 | 450 | 42.2 | 583.2 | 1.44 ± 0.13 | 0.84 (4) | < 0.01 |
| (34.9–51.7) | (368.8–1100.0) | ||||||
| 48 | 450 | 21.2 | 285.5 | 1.46 ± 0.12 | 1.20 (4) | < 0.01 | |
| (17.4–25.5) | (192.9–488.3) | ||||||
| Control | — | 90 | — | — | — | — | — |
a LC50 or LC95 values are considered significantly different when the 95% CI do not overlap.
*Goodness-of-fit test is significant at P < 0.05.