Integrated Crop Management News

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Three systemic insecticides applied as seed treatments will be used in Iowa this year: clothianidin, imidacloprid, and thiamethoxam. All three insecticides are in the neonicotinoid chemical family and closely resemble nicotine in mode of action. Neonicotinoids have high activity against sucking insects such as aphids and against chewing pests such as beetles and some Lepidoptera (cutworms, for instance). These chemicals are highly systemic in the plant roots and new leaf tissues, and can be used for several purposes, especially as seed treatment.

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Iowa State University



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