自从1948年有机磷类内吸杀蚜剂 OMPA 问世以来,相继出现了不少的新品种,对于除治蚜虫和红蜘蛛类害虫,表现了内吸作用的特效。这类内吸剂通过植株组织的吸收和体内的传导,在细胞液内有足够的毒效浓度可以使取食害虫致死,同时还能继续保持药效达到若干时日。所以内吸杀虫剂的使用,在防治 Since the advent of OMPA in 1948, an aphis-sphingomythrin has been developed in succession, and many new varieties have been developed successively, which show the effect of systemic action on the aphids and spider mites. Such endosidase through the absorption of plant tissue and the body’s conduction in the cytosol of sufficient toxic concentrations can kill pests, but can continue to maintain the efficacy of a number of days. Therefore, the use of insecticides within the control