Molluscicidal properties of Acacia nilotica subspecies tomentosa and astringens II.

A screening programme of plants rich in plant phenolic tannins for molluscicidal activity against the snail species Bulinus truncatus and Biomphalaria pfeifferi is now under way. The spray-dried powders of the pods and stem bark of Acacia nilotica subspp. nilotica, tomentosa and astringens prove to be promising vegetable molluscicides.