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Molluscicidal activity and biochemical effect of two phyto-glycosides against land snails [electronic resource].

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Hussein, H.I

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Language: English Summary language: Arabic Description: p.667-677Other title:

النشاط الإبادى والتأتيرات البيوكيميائية لإثنين من الجليكوسيدات النباتية ضد القواقع الأرضية [Added title page title]

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Journal of the advances in agricultural researches, 2007 v. 12 (4) [electronic resource].

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In: Journal of the Advances in Agricultural Researches 2007.v.12(4)Summary: The cardiac glycosides ouabain and lanatoside C were tested for their molluscicidal activity against two terrestrial snails - Eobania vermiculata (Müller) and Theba pisana (Müller). Lanatoside C did not exhibit any molluseicidal action against the two tested snails at the range of the tested doses (up to 80 ug/g body weight). Although, ouabain was inactive against E. vermiculata, it was highly toxic to T.pisana. The median lethal dose (LD₅₀) was 9.35 ug/g body weight after 24 hr of treatment. Sub-lethal doses of ouabain caused marked decrease in T.pisana protein concentration. Aspartate transaminase (AST) and alanin transaminase (ALT) activities were significantly stimulated by the tested doses of ouabain, especially the lower ones, indicating the lesion occurred in the snail's digestive gland. Response of ALT toward ouabain treatment was more sensitive than AST.

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The cardiac glycosides ouabain and lanatoside C were tested for their molluscicidal activity against two terrestrial snails - Eobania vermiculata (Müller) and Theba pisana (Müller). Lanatoside C did not exhibit any molluseicidal action against the two tested snails at the range of the tested doses (up to 80 ug/g body weight). Although, ouabain was inactive against E. vermiculata, it was highly toxic to T.pisana. The median lethal dose (LD₅₀) was 9.35 ug/g body weight after 24 hr of treatment. Sub-lethal doses of ouabain caused marked decrease in T.pisana protein concentration. Aspartate transaminase (AST) and alanin transaminase (ALT) activities were significantly stimulated by the tested doses of ouabain, especially the lower ones, indicating the lesion occurred in the snail's digestive gland. Response of ALT toward ouabain treatment was more sensitive than AST.

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