Defensive strategies can be induced either by herbivore or mechanical damage. An overview on the function of elicitors, early signals events and systemic response of signal transduction were given.

• 摘要主要时防御反应形成过程中化学诱导物的作用、细胞内发生的早期信号事件和信号分子在植物体内的系统性传递进行了综述。