Host plants Diamondback moth

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several wild species in family act hosts, in season when cultivated crops unavailable. egg-laying females have been reported recognize chemicals in host plants, glucosinolates , isothiocyanates, characteristic of brassicaceae family (but occur in related families). these chemicals found stimulate oviposition, when applied piece of paper. 1 plant species contains egg-laying cues wintercress, barbarea vulgaris. indeed, diamondback moth females lay eggs on plant species, newly hatched larvae die due effects of additional natural plant chemicals called saponins.








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