At the same time, the tolerant ecotype appeared, the heavy-metal-binding polypeptide produced, heavy metal compartmented and the free radical clear system activated.

• 植物的耐性机制表现在耐重金属生态型的产生、重金属结合多肽的形成、重金属离子的区域化以及活性氧自由基清除系统的活化.