Application of biological and chemical preparations against the gipsy moth in the nut zone of the Chirchik basin

The data on the results of field tests of biological and chemical preparations for the protection of nut plantations in the mountain zone of the Ugam-Chatkal national park, Bruchmulinskii forestry (Uzbekistan) are given. In field experiments in 2016, bacterial preparations based on the use of the entomopathogenic Bacillus thuringiensis var. thuringiensis were tested Bacillus thuringiensis var. kurstaki Prestizh & Lepidotsid. The effectiveness of the drugs, adjusted for control, was quite high and ranged from 96.2% to 55%. On the basis of field trials, Prestizh is recommended for industrial use against a gypsy moth with a consumption rate of 4 l/ha. It can be concluded that all the tested drugs showed high biological efficacy.