Захист багаторічних насаджень від американського білого метелика на території Житомирської області

The paper focuses on the efficiency of chemical and biological preparations used for the destruction of caterpillars of the American white butterfly (AWB) of different age groups on the territory of Zhytomyr region. The authors determined the most efficient biopreparations for the AWB control within the limits of settlements and an household plots where the application of chemical preparations is not desirable.The preparations Karate Zeon 050 EC and Bitoxibacillin – BTU have proved to be the most efficient for destructing AWB caterpillars of 1-2 and 3-4 age groups, because their application results in 95,2 to 100 percent decrease in the number of caterpillars.