PP333(Paclobutrazol)是英国ICI公司作为杀菌剂开发的。由于被认为对植物的生长有抑制作用,七十年代末期开始探讨应用作为果树的矮化剂。 PP333的化学名称为(2RS,3RS)—1—(4—氯苯基)—4,4—二甲醚—2,(1、2、4—三唑—1—基)戊烷—3—醇,欧洲的商品名称为CuItar,是三唑类系化合物。其结构式是: PP333可抑制营养生长的机理,主要是阻碍植物体内赤霉素的合成,其矮化效果显 PP333 (Paclobutrazol) is a British company ICI developed as a fungicide. It is considered to be a dwarfing agent for fruit trees because it is thought to inhibit the growth of plants in the late seventies. The chemical name of PP333 is (2RS, 3RS) -1- (4-chlorophenyl) -4,4-dimethyl ether- Alcohol, European trade name CuItar, is a triazole-based compounds. Its structure is: PP333 can inhibit the mechanism of vegetative growth, mainly hindered the synthesis of gibberellic acid plant, the dwarf effect was significantly