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多效唑(MET)又名PP333,属三唑类化合物,系英国ICI公司1981年公开的一种广谱的植物生长延缓剂,兼有杀菌作用。化学名称(2RS,3RS)-1-(4-氯苯基)-4.4-二甲基-2-(1H-1,2,4-三唑-1-基)戊醉-3。纯品为白色结晶,在25℃以下能稳定6个月以上,熔点165-166℃,稳定性强。稀溶液在任何PH值或光下均稳定,低毒,大白鼠急性经口毒性LD_(50)为1365毫克/公斤,经皮LD_(50)为1000毫克/公斤。国内1984年由江苏省农药研究所和建湖县农药厂共同试验成功,由建湖农药厂最先生产,我们把多效唑在油菜、马铃薯、水稻上进行试验、示范和
Metronidazole (MET), also known as PP333, belongs to triazole compounds. It is a broad-spectrum plant growth retarding agent published by ICI in 1981 in UK and has bactericidal effect. Chemical Name (2RS, 3RS) -1- (4-chlorophenyl) -4,4-dimethyl-2- (1H-1,2,4-triazol-1-yl) pentan-3-one. Pure white crystals, stable below 25 ℃ for 6 months or more, melting point 165-166 ℃, strong stability. Dilute solution is stable at any PH or light, low toxicity, rat acute oral toxicity LD_ (50) of 1365 mg / kg, percutaneous LD_ (50) of 1000 mg / kg. Domestic 1984 by the Jiangsu Provincial Institute of pesticides and pesticides Jianhu County joint trial success, Jianhu Pesticide Factory first produced, we paclitaxel in rape, potato, rice on the test, demonstration and