湖北省葛店化工厂试制了一种1605浓乳剂,本剂为1962年11月出厂,样品含有效成份45—50％。我所受该厂的委托,对几种主要棉虫,进行了防治效果测定,结果,认为杀虫效果不亚于西德制1605乳剂。为了及时总结经验验,使国产药剂应用于生产,现将初步测定结果报道如后。 Hubei Gedian Chemical Factory trial of a 1605 concentrated emulsion, the agent for the factory in November 1962, the sample contains 45-50% of the active ingredient. I was commissioned by the plant, on several major cotton insects, the control effect of the test, the result, that the insecticidal effect of no less than the West German system 1605 emulsion. In order to timely summarize the experience test, so that domestic pharmaceuticals used in the production, the preliminary results are reported as reported.