Table 2.
Insecticidal activity of mimosine derivatives using a no-choice contact method.
| Compound | Mortality (%) | ||
|---|---|---|---|
| 250 μg/mL ii | 100 μg/mL | 50 μg/mL | |
| Mimosinol | 68.5 ± 0.6 c | 52.5 ± 2.7 de | 38.1 ± 1.3 cde |
| 1a | 90.6 ± 1.3 a | 88.8 ± 0.9 a | 62.5 ± 1.8 a |
| 1b | 84.4 ± 2.2 ab | 71.9 ± 1.3 b | 52.5 ± 3.5 ab |
| 1c | 77.5 ± 0.9 b | 59.4 ± 1.3 cd | 45.6 ± 0.4 bc |
| d-mimosinol | 60.6 ± 0.6 cd | 53.8 ± 3.8 de | 33.1 ± 1.9 de |
| 2a | 82.5 ± 1.3 ab | 70.6 ± 0.6 b | 48.8 ± 2.5 bc |
| 2b | 63.8 ± 0.0 c | 52.5 ± 2.5 de | 42.5 ± 2.5 bcd |
| 2c | 52.5 ± 3.8 d | 44.4 ± 1.9 e | 29.4 ± 1.9 e |
| Mimosine | 9.1 ± 2.0 e | 7.5 ± 1.0 f | 2.5 ± 1.1 f |
| Rotenone | 80.0 ± 0.9 b | 68.1 ± 1.3 bc | 48.8 ± 0.9 bc |
| Compound | Mortality (%) | ||
| 15 μg/mL | 10 μg/mL | 5 μg/mL | |
| Fenitrothion | 83.8 ± 1.9 | 69.4 ± 0.6 | 26.9 ± 1.3 |
ii Compound dose. Data have statistical significance at p ≤ 0.01. Different letters in the same column indicate the existence of significant difference statistically. The results are means ± SE of two independent experiments with four replications for each treatment.