Efficiency of autumn application of insecticides on winter wheat in the conditions of the Rostov region

Results of three-year researches on application of insecticides from different chemical classes against an autumn complex of wreckers of a winter wheat are presented in article. The biological and economic efficiency of insecticides against a wheaten fly and cereals a tsikadok is defined, at their application in a phase of shoots of a winter wheat. The conclusion is drawn that processing by insecticides against cereals a tsikadok was economically expedient and biologically reasonable in the second year of researches when the maximum number of the wrecker in the period of the peak has exceeded 60 copies / 1 sq.m, having caused prevalence of plants of a winter wheat the VZhKYa viruses.