温室蔬菜巧施药对症防治某一种病虫害，在选择农药时，要严格区分杀虫剂、杀螨剂、杀菌剂，防止治虫药剂和治病药剂互相滥用。要根据蔬菜发生病虫的种类，对症用药。适时防病要在某一种病害发生之前或发病初期用药。如果治虫，则要根据防治指标及各种虫害的取食方式、发生... In the choice of pesticides, we must strictly distinguish insecticides, acaricides and bactericides, and prevent the abuse of pest control agents and therapeutic agents against each other. According to the type of pests and diseases occurred in vegetables, symptomatic medication. Timely disease prevention in a disease before or early onset of medication. If the worm, then according to the prevention and control of indicators and a variety of pests feeding, occurs ...