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凯撒是德国艾格福公司生产的一种新型拟除虫菊酯类杀虫剂，在国外已广泛应用于蔬菜、棉花、果树、茶叶等多种农作物上的害虫防治。受农业部药检所的委托，进行了凯撒防治菜青虫田间药效试验。1材料与方法①供试作物：甘蓝（京丰一号）、花椰菜（白丰）。②试验药剂：10．8％凯?
Caesar is a new type of pyrethroid insecticide produced by German Agfa company. It has been widely used in pest control of various crops such as vegetables, cotton, fruit trees and tea in foreign countries. Commissioned by the Ministry of Agriculture Drug Administration, Caesar’s prevention and treatment of cabbage field efficacy test. 1 Materials and methods ① test crops: cabbage (Jing Feng One), cauliflower (Bai Feng). ② test agent: 10.8% Kay?