To summarizes the changes of endogenous hormones in the cut flowers after being picked off so as to provide theoretical basis for deferring the senescence of cut flowers by using exogenous plant growth regulators 摘要综述了鲜切花采后的内源激素水平变化,以期为应用外源植物生长调节剂延缓切花衰老过程提供理论依据。