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多效唑(PP333)是近年来在苹果幼树上使用较多的植物生长延缓剂。通过叶面喷施或土壤处理,多效唑对抑制苹果树的营养生长,促进开花结果,具有较好的综合效应。现将近年来我们与山西运城和晋中地区推广应用技术和经验介绍如下。
Paclobutrazol (PP333) is a plant retarding agent used more on young apple trees in recent years. By foliar spraying or soil treatment, paclobutrazol has good comprehensive effects on inhibiting the vegetative growth of apple tree and promoting flowering. Now in recent years we and Shanxi Yuncheng and Jinzhong region to promote the application of technology and experience are as follows.