The Study of the effect of some medical plant extracts on snail Lymnaea auricularia

Abstract

The aim of study to evaluate molluscicidal activity of some medicinal plant extracts(Achillea millefolium L., Artemisia vulgaris L., Salvia officinalis L.)against Lymnaea auricularia snails . the toxicity of different conditions after 24hrs,48hrs for mulluscs was time and dose dependent. The 24hrs Lc50=12mg/L of the ethanolic extract of Salvia officinalis L.were higher in comparison to Achillea millefolium L. Lc50=30mg/L and Artemisia vulgaris L. Lc50=20mg/L In chlorinated water extract, tap water extract and distilled water extract of A.vulgaris L. shown highest activity in comparison to S.officinalis L. and A.millefolium L.According to these results it may conclude that, the ethanolic extract of Salvia officinalis L. may be used for the snail control.