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Mortalities of B. pfeifferi snails exposed to different concentrations of A. aspera aqueous leaf extract for 24, 48 and 72 h
| Concentration (ppm) | 24 h | 48 h | 72 h | |||
|---|---|---|---|---|---|---|
| Exposed | Dead | Exposed | Dead | Exposed | Dead | |
| 0 | 30 | 0 | 30 | 0 | 30 | 0 |
| 25 | 30 | 0 | 30 | 0 | 30 | 0 |
| 50 | 30 | 3 | 30 | 4 | 30 | 7 |
| 75 | 30 | 12 | 30 | 15 | 30 | 17 |
| 100 | 30 | 30 | 30 | 30 | 30 | 30 |
| 200 | 30 | 30 | 30 | 30 | 30 | 30 |
| 400 | 30 | 30 | 30 | 30 | 30 | 30 |
