Table 2. Molluscicidal activity of AD against O. hupensis snails.
Compound | Time (h) | Mortality rate of snails in different concentrations (%) (n = 30) | LC50 (mg/L) |
||||||
---|---|---|---|---|---|---|---|---|---|
1.00 mg/L | 0.5 mg/L | 0.25 mg/L | 0.12 mg/L | 0.06 mg/L | 0.03 mg/L | 0.02 mg/L | |||
1 | 24 | 40.00 | 36.67 | 20.00 | 6.67 | 6.67 | 0.00 | 0.00 | – |
48 | 93.33 | 73.33 | 20.00 | 13.33 | 16.67 | 0.00 | 0.00 | 0.37 | |
72 | 100.00 | 60.00 | 43.33 | 10.00 | 3.33 | 0.00 | 0.00 | 0.33 | |
2 | 24 | 96.67 | 90.00 | 50.00 | 20.00 | 20.00 | 3.33 | 0.00 | 0.23 |
48 | 100.00 | 100.00 | 100.00 | 33.33 | 10.00 | 3.33 | 0.00 | 0.14 | |
72 | 100.00 | 100.00 | 100.00 | 30.00 | 6.67 | 0.00 | 0.00 | 0.14 | |
3 | 24 | 40.00 | 16.67 | 10.00 | 10.00 | 0.00 | 0.00 | 0.00 | – |
48 | 80.00 | 60.00 | 70.00 | 40.00 | 10.00 | 10.00 | 0.00 | 0.22 | |
72 | 100.00 | 80.00 | 30.00 | 30.00 | 30.00 | 10.00 | 0.00 | 0.25 | |
6 | 24 | 100.00 | 90.00 | 30.00 | 30.00 | 10.00 | 0.00 | 0.00 | 0.27 |
48 | 96.67 | 86.67 | 60.00 | 30.00 | 20.00 | 10.00 | 0.00 | 0.19 | |
72 | 100.00 | 96.67 | 100.00 | 30.00 | 0.00 | 10.00 | 0.00 | 0.13 | |
7 | 24 | 33.33 | 40.00 | 20.00 | 10.00 | 0.00 | 10.00 | 0.00 | 1.68 |
48 | 100.00 | 56.67 | 50.00 | 40.00 | 3.33 | 10.00 | 0.00 | 0.25 | |
72 | 100.00 | 100.00 | 63.33 | 70.00 | 20.00 | 10.00 | 0.00 | 0.11 | |
8 | 24 | 60.00 | 50.00 | 20.00 | 23.33 | 30.00 | 6.67 | 0.00 | 0.64 |
48 | 100.00 | 90.00 | 20.00 | 20.00 | 30.00 | 10.00 | 0.00 | 0.33 | |
72 | 100.00 | 80.00 | 80.00 | 30.00 | 10.00 | 20.00 | 10.00 | 0.16 | |
Niclosamide | 24 | 100.00 | 80.00 | 40.00 | 26.67 | 0.00 | 0.00 | 0.00 | 0.14 |
48 | 100.00 | 100.00 | 90.00 | 90.00 | 46.67 | 20.00 | 0.00 | 0.03 | |
72 | 100.00 | 100.00 | 100.00 | 100.00 | 63.33 | 10.00 | 0.00 | 0.03 | |
Control | 24 | 0 | – | – | – | – | – | – | – |
48 | 0 | – | – | – | – | – | – | – | |
72 | 3.3 | – | – | – | – | – | – | – |