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Antifeeding effects of bryophyte extracts from Neckera crispa and Porella obtusata against the slug Arion lusitaniens

Jan-Peter FRAHM & Klaus KIRCHHOFF

en Cryptogamie, Bryologie 23 (3) - Pages 271-275

Published on 26 July 2002

Alcoholic extracts of one moss and one hepatic were tested for the first time for its antifeedant activity against a slug (Arion lusitaniens). In a preference test, the extracts of Neckera crispa showed low antifeedant effects in concentrations of 0.5% dry weight and more. In contrast, the extracts of Porella obtusata showed moderate effects at concentrations of 0.05% and absolute antifeedant acitivity at 0.25% dry weight.


Keywords:

Bryophyta, antiphagic effects, antifeedant effect

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