The use of insecticides on maize in the Rostov region

The article presents the results of field experiments on the use of modern insecticides against cotton scoops (Helicoverpa armigera Ri). Biological efficiency of insecticides on the 14th day after application of insecticides Koragen, KS and Amplio, ISS 77.1, and 91.7%, respectively. On the version with the use of insecticide Karate Zeon pest death did not exceed 37.5%. The highest grain yield of maize in the reporting period were obtained on the variant, where was used the insecticide, Amplio, ISS - 31,9 kg/ha that exceeded the control variant by 43 %.