二氯苯醚菊脂又名除虫精,是一种新型的拟除虫菊脂,具有高效、低毒、低残留、残效期长、对农作物安全等优点,是一种广谱性杀虫剂。一九七三年英国首先合成,国内江苏省农药所一九七五年试制成功,一九七九年我们用此药在粘虫上进行试验。一、试验方法农药样品是江苏省农药所合成的10%除虫精乳油。试验在春小麦地进行。用药量为:每亩用10%除虫精乳油6毫升、5毫升、3.5毫 Diphenyl ether chrysanthemum, also known as pest repellent, is a new type of pyrethrins, which has the advantages of high efficiency, low toxicity, low residue, long residual period and safety for crops. It is a broad spectrum insecticide. In 1973, the United Kingdom first synthesized, and the pesticide laboratories in Jiangsu province succeeded in trial production in 1975. In 1979, we experimented with the drug on armyworms. First, the test method Pesticide samples are pesticides in Jiangsu Province synthesized 10% deoxime refined cream. The experiment was conducted in spring wheat. Dosage per mu: 10% deoxirene concentrate cream 6 ml, 5 ml, 3.5 ml