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Larvicidal activity of DI water (control), aqueous extract of A. indica leaves and extract-mediated AgNPs at different concentrations against fourth instars larvae of A. aegypti.
| sample type | concentration of sample | percentage mortality (%) |
|---|---|---|
| water (control) | — | 0 (active) |
| aqueous extract of A. indica leaves | 0.5% | 0 (active) |
| 1% | 0 (active) | |
| 1.5% | 0 (less motile) | |
| A. indica extract-mediated AgNPs | 1.25 mg l−1 | 49 ± 4 |
| 2.5 mg l−1 | 66 ± 6 | |
| 5 mg l−1 | 80 ± 4 | |
| 10 mg l−1 | 85 ± 4 | |
| 20 mg l−1 | 100 ± 0 |
