①IBA树龄、枝段对日本晚樱插穗生根率和壮苗率均有极显著的影响 ,在这 3因素中 ,用IBA处理 1年生树龄枝的基段作插穗较好 ;②插穗生根率高低可反映扦插苗质量 ;③愈伤组织发生率受插穗生理成熟度影响 ,而与IBA处理与否无关 ①IBA age and branches had a very significant effect on the rooting rate and seedling growth rate of Japanese cherry blossom. In these three factors, the base of 1-year-old branches of IBA was better for cutting; ② The rooting rate of cuttings could be Reflect the quality of cutting seedlings; ③ the incidence of callus affected by cutting maturity, but not with IBA treatment or not