Abstract

Western corn rootworm (Diabrotica virgifera virgifera Le Conte) is a dangerous quarantine pest of corn. To localize and eliminate new foci of its invasion on the territory of Belarus an assessment was made of the biological efficiency of insecticides from different classes: neonicotinoids – 20.8–95.5 %, pyrethroids – 75.2–100 %, organophosphorus compounds – 86.0–100 % and combined insecticides – 85.1–100 %. The developed tactics for the application of insecticides involves the choice of the preparation, taking into account the number of the pest, chemical group and heat resistance.

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