Table 2.
Larvicidal activity of compounds (10a–10s) against Plutella xylostella
| Compounds | Larvicidal activity (%) at different concentrations (mg L−1) | ||||
|---|---|---|---|---|---|
| 500 | 200 | 100 | 50 | 25 | |
| 10a | 70.0 | 46.7 | 21 | / | / |
| 10b | 33.3 | 16.7 | 0.0 | / | / |
| 10c | 86.7 | 56.7 | 30.0 | 16.7 | / |
| 10d | 76.7 | 53.3 | 23.6 | / | / |
| 10e | 90.0 | 73.3 | 53.3 | 36.7 | 16.7 |
| 10f | 66.7 | 53.5 | 30.2 | / | / |
| 10g | 100 | 96.7 | 80.0 | 66.7 | 50.0 |
| 10h | 100 | 100 | 93.3 | 76.7 | 53.3 |
| 10i | 90.0 | 63.3 | 43.3 | 33.3 | 16.7 |
| 10j | 96.7 | 83.3 | 53.3 | 36.7 | 23.3 |
| 10k | 56.7 | 23.3 | 3.3 | / | / |
| 10l | 73.3 | 53.3 | 16.7 | 6.7 | / |
| 10m | 63.3 | 33.3 | 16.7 | / | / |
| 10n | 56.7 | 33.3 | 13.1 | / | / |
| 10o | 80.0 | 63.3 | 33.7 | 16.7 | / |
| 10p | 76.7 | 53.3 | 13.0 | / | / |
| 10q | 73.3 | 49.0 | 20.0 | / | / |
| 10e | 43.3 | 23.3 | 13.3 | / | / |
| 10s | 66.7 | 33.3 | 16.7 | / | / |
| 10t | 43.3 | 23.3 | 6.7 | / | / |
| 10u | 6.7 | 0.0 | / | / | / |
| 10v | 80.0 | 66.7 | 23.3 | / | / |
| 10w | 100 | 100 | 86.7 | 70.0 | 46.7 |
| 10x | 66.7 | 33.3 | 13.3 | / | / |
| Tebufenozide | 100 | 96.7 | 80.0 | 56.7 | 26.7 |
| Chlorpyrifos | 100 | 100 | 100 | 90 | 83 |
| Chlorantraniliprole | 100 | 100 | 100 | 100 | 100 |