| When we refer to the interaction of garden plants between china and overseas, the garden plants, as a wide and unique form, have a long history. Throughout the history of exchanges, plants had contributed a lot to the development of friendship between china and many other countries and regions. Lots of Chinese grain crops, fruits and flowers have spread oversea, meanwhile, many other countries vegetables, fruits and spices have settled in China.Garden plants, as a common carrier in human cultural exchanges, are most easily neglected. It also plays an important role in the spread of science and technology, humanities and arts, religion and customs .So, it is very valuable not only in natural science but also in the humanitiesWhen we refer to the interaction of garden plants between china and overseas, we can divided it into three stages: the traditional times,during modern times and modern times. The ways of spread of civilization are diverse, interaction of garden plants as an integral part of exchanges, and mode of transmission is also not simple. We should put it in the background of interaction of culture between china and overseas to study. Each of the different historical periods taken by many different ways, there are certain historical features.The power of human exchange is to meet the material and spiritual needs, that is profit-driven theory, therefore, people love the special features of plants and enjoy the practical functions. Internal mechanism of plants exchange is natural and artificial selection. Natural selection, survival of the fittest, plants are rooted in a foreign country must be subject to natural selection. However, human being can create conditions for small changes in climate, soil and cultivation measures, in order to promote growth and development of some exotic plants, on the other hand, we can connect the plants with cultural arts, religion and customs, etc.The history of the interaction of garden plants between china and overseas, alien plants are more than native plants, because the intersection with Chinese characteristics and intensive localization of alien plants. Garden plant itself is green, is a symbol of friendship, and happiness of the mascot. Nature of plant is harmless, so we should promote exchange of garden plant ,against the local protectionism, and accelerate global plant exchange and create a more material and spiritual wealth. |