1.Auxins influence the growth of stems toward light (phototropism) and against the force of gravity (geotropism).

1.它可影响茎的向光性和背地性生长。

2.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.

2.结果表明，培养基中无机盐浓度、源激素水平、的发育状况等对试管嫩茎生根具有明显影响。

3.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.

3.的型、物生长素、细胞分裂素的型二者的不同组合均对一品红在离条件下株的再生具有影响。