一、摘心除八角骨干延长枝外 ,其它旺盛生长的新梢可在４月下旬至５月上旬 ,新梢长２０ｃｍ时摘心。摘去新梢顶端幼嫩部分３～４节 ,可抑制八角树的营养生长 ,促进其生殖生长。也可施用植物生长调节剂延缓或抑制新梢的生长 ,如土施多效唑 ,每株用纯量１～４ｇ,叶片喷施浓度为５ A, topping In addition to the octagonal backbone to extend the branches, other vigorous growth of new shoots in late April to early May, the new shoot long 20cm topping. Excerpt the young shoot the top of the young section 3 to 4, can inhibit the nutrition of star anise tree growth and promote their reproductive growth. Plant growth regulators can also be applied to delay or inhibit the growth of shoots, such as soil application of paclobutrazol, each plant with a purity of 1 ~ 4g, leaf spray concentration of 5