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Extracts of plant contain antifeedant that keep away insects why

plants have a special secondary defence mechanism which is the production of secondary metabolites which is harmful and toxic to insects and other herbivores.


Antifeedant is a naturally occuring substance in plants which adversely affect the insect which eat them.
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Actually antifeedant are enzymes secreted by insectivorous plants which digest the insect who sit on them.
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