The result showed that the successful rooting system was closely related to the concentration of macronutrient of MS medium, auxin concentration and developing state of the explant.

结果表明，培养基中无机盐浓度、外源激素水平、种类以及外植体状况等对管嫩茎生有明显影响。

It is the factors affected plant regeneration in explant culture in Euphorbia pulchrrima willd to different explants or aurin or cytokinin or the combination of the auxin and cytokinin.

外植体类型、植物生长素、细胞分裂素类型及二者不同组合均对一品红在离体条件下植株再生有影响。