Effectiveness of insecticides against harmful turbinity depending on the term of their application

The article presents the results of a three - year application of insecticides against the main pest of winter wheat-a harmful turtle. Insecticides based on 3 groups of chemical compounds were tested. Insecticides were used in two periods: in the phase of earing and the phase of milk ripeness of winter wheat. It is noted that in the Azov zone of the Rostov region the optimal period of application of insecticides on winter wheat against harmful turtles is the phase of milk ripeness of grain.