METHOD OF COMBATING PLANT LOUSE, UTILIZATION OF SOLID CONCENTRATE WHEN PREPARING AQUEOUS DISPERSION, AND UTILIZATION OF THE LATTER TO COMBAT PLANT LOUSE

摘要

FIELD: pest control. SUBSTANCE: pest place is treated with aqueous dispersion of solid preparation containing pyrethroid insecticide (cipermetrin, deltametrin, ciflutrin, esfenvalerate) and more than 50% of polyvinylpyrrolidone. Concentrate can be prepared by extruding pyrethroid mixture or evaporating solution of polyvinylpyrrolidone and insecticide in suitable solvent. EFFECT: increased activity of pyrethroids with respect plant louse and safety of preparation. 7 cl, 4 tbl, 8 ex