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Table 2 Mortalities of L. natalensis snails exposed to different concentrations of A. aspera aqueous leaf extract for 24 h

From: Molluscicidal effect of Achyranthes aspera L. (Amaranthaceae) aqueous extract on adult snails of Biomphalaria pfeifferi and Lymnaea natalensis

Concentration (ppm)

Exposed snails

Dead snails

Mortality rate

0

30

0

0%

25

30

0

0%

50

30

3

10%

75

30

17

56.7%

100

30

29

93.3%

200

30

30

100%

400

30

30

100%