重金属胁迫下药用植物耐受及超富集的机制
Heavy metal stress on medicinal plant and its resistance and hyperaccumulation mechanism
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摘要: 重金属胁迫下药用植物的生长、发育、繁殖等各个方面均会受到影响,同时植物长期在重金属胁迫环境下,产生植物耐受或超富集特性。本文就重金属胁迫及超富集药用植物进行了综述,包括重金属对药用植物生长的影响,植物在重金属胁迫下的耐受机制,超富集药用植物及其超富集的机制,并对重金属耐受与超富集特性对中药安全性的影响进行讨论。Abstract: Heavy metals in soil will affect the growth,development,multiplication of plants.Meanwhile,the plants that grow under heavy metal press can produce heavy metal tolerance and hyperaccumulation.This paper reviewed the impacts of heavy metal stress on the growth of medicinal plants and its machanism of tolerance and hyperaccumulation.The impacts of heavy metal tolerance and hyperaccumulation on the safety of traditional Chinese medicine were also reviewed.
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Key words:
- heavy metal stress /
- medicinal plants /
- tolerance /
- hyperaccumulation
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