引进外来树种,这就是引种。有些外来树种引种到一个新地区很容易成功,能正常生长和发育,不降低原有的经济性状,并且能正常繁殖;有的却不然,需要采取各种措施才能达到上述目的,对人为干预的这种过程,叫做驯化。由野生 The introduction of exotic species, this is the introduction. Introduction of some exotic species to a new area is easy to succeed, normal growth and development, without reducing the original economic traits, and can reproduce normally; some do not, you need to take various measures to achieve the above objectives, the human intervention This process is called domestication. By the wild