By dynamic changes of endogenous hormones, we discussed the regulatory effect of hormone and the significance of hormonal balance in different plant life cycle forms of c.

通过对植物内源激素的动态变化规律的分析，来探明内源激素在长春花不同生活史型中所起到的调控作用，以及激素平衡对生活史型转变的意义。

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Series physiological and biochemical reactions are accompanied with the course of leaf senescence, and these reactions are seriously affected by endogenous and exogenous hormone level in plant.

叶片衰老过程中伴随着一系列有序事件的发生和复杂的生理生化变化，外施植物激素或内源激素水平极大地影响叶片的衰老进程。

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Susceptible variety was more susceptible than resistant variety on the changes of plant endogenous hormone.

感病品种的内源激素变化较抗病品种更加敏感。

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