Table 1. Toxicity profiles for seven compounds applied to plum curculio, Conotrachelus nenuphar, eggs. Mortality was determined 10 days after incubation.
| Compound | Field application rate (μg/ml) a | n | LC50 (in μg/ml) (95% CL) | Slope ± SE | Chi-Square of slope parameter (df = 1) | P- value for slope > 0 |
|---|---|---|---|---|---|---|
| Azinphos-methyl | 1200 | 186 | 0.44 (0.27, 0.65) | 2.84 ± 0.74 | 14.67 | 0.0001 |
| Thiacloprid | 299 | 274 | 57.55 (15.27,4802) | 0.60 ± 0.15 | 15.56 | <0.0001 |
| Thiamethoxam | 103 | 90 | 11,537 b | 0.21 ± 0.22 | 0.95 | 0.33 |
| Clothianidin | 224 | 180 | 32.70 (6.07, 18577) | 0.28 ± 0.10 | 8.13 | 0.0044 |
| Indoxacarb | 157 | 32 | NA c | NA c | -- | -- |
| Pyriproxifen | 131 | 104 | NA c | NA c | -- | -- |
| Novaluron | 310 | 170 | 0.44 (0.13, 1.08) | 0.44 ± 0.14 | 28.69 | <0.001 |