Effects of cypermethrin and deltamethrin on reproduction of Brachionus calyciflorus 两种亚致死剂量的农药对亚洲玉米螟化学通讯系统的干扰作用 Effects of deltamethrin on chemical communication of male Asian corn borer to sex pheromone under sublethal dosage STUDIES ON DELTAMETHRIN RESISTANCE BREEDING AND ITS RESISTANT MECHANISM OF DIAMOND BACK MOTH DELTAMETHRIN RESISTANCE IN HELICOVERPA ARMIGERA HUBNER: LABORATORY SELECTION, BIOCHEMICAL MECHANISM AND INHERITANCE MODE STUDIES ON THE LABORATORY DEVELOPMENT OF RESISTANCE AND CROSS-RESISTANCE OF COTTON BOLLWORM TO DELTAMETHRIN, CYHALOTHRIN AND A MIXTURE CONTAINED CYHALOTHRIN Studies on the Insecticide-Tolerance of Dendrolimus punctatus to Fenvaleratc Studies on the Dynamic Changes of Hemolymph Esterases Activity of Dendrolimus punctatus and the Effects of Deltamethrin Study on the Aerial Equipment of Spraying Pesticide and Techniques of MonitoringⅡ.Controlling Dendrolimus punctatus by the Aerial Equipment of Spraying Pesticide Effects of pyrethroid insecticides on chemical communication system of female cotton bollworm, Helicoverpa armigera EFFECTS OF DELTAMETHRIN ON CATALASE ACTIVITY IN CUCUMBER SEEDLINGS