近几年,我们用敌敌畏薰杀体型较大的中、大龄粘虫,经过室内毒力测定和田间药效试验,都证明是取代有机氯制剂较为理想的药剂及施用方法,已成为江苏徐淮地区防治粘虫的主体措施。 毒力测定 在25℃及减压条件下,按设计剂量用微量注射器将80％敌敌畏(南通农药厂产)注入5000毫升烧瓶中,尽速使药液进入容器,并 In recent years, we use the dichlorvos to kill larger body and older adults, armyworm, through indoor toxicity determination and field efficacy test, have proved to be the ideal substitute for organochlorine agents and application methods, has become Xuhuai The main measures for preventing and controlling armyworm in the area. Toxicity Assay 80% dichlorvos (manufactured by Nantong Pesticide Factory) were injected into a 5000 ml flask at 25 ° C under reduced pressure at the designed dose using a micro syringe, allowing the liquid to enter the container as soon as possible