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。1996年我们在安吴国营茶场用凯撒在茶树上进行了杀虫效果的试验。1材料与方法1．1供试作物泾县国营茶场条播常规茶园，树龄25a，台刈多次。1．2试 Caesar is a new type of pyrethroid insecticide produced by Agfa Corporation of Germany. In foreign countries have been widely used in vegetables, cotton, fruit trees, tea and other crops on the pest control. In 1996, we used Caesar on the tea plantations in An Wu State Tea Plantation to test the insecticidal effect. 1 Materials and Methods 1.1 for trial crop Jingxian state-run tea plantation conventional tea plantation, age 25a, Taiwan mulched many times. 1.2 trial