More and more studies showed that the allelopathy of exotic plants played an important role in their successful ecesis .
越来越多的研究证明了植物化感作用在外来植物成功定居中扮演重要的角色.
The diversity of the size and weight of cone or seed , which decide nutrition status , the ability of sprout and intersperse , play an important role in the ecesis and survival of seedling .
