随着我国经济的快速发展和城市建设水平的提高,全国掀起了绿化高潮。在绿化中起着主体作用的苗木,尤其是绿化用的大苗,一段时间以来缺口很大。特别对具有观赏性树种的需求不断增加,而国内的一些苗圃难以保证供给,因此,近几年来我国进口绿化、美化用的林木种子、苗木的种类与数量骤然上升。与此同时,也带动了我国绿化苗木出口的增长。我国进口的绿化苗木种类主要有针叶树、色叶树、观花树、观叶树、速生树、艺术造型树及盆景树等。出口的绿 With the rapid development of our country’s economy and the improvement of the level of urban construction, the country has set off a greening climax. Seedlings that play a major role in greening, especially large-scale seedlings for greening, have had a large gap for a period of time. In particular, there is an increasing demand for ornamental tree species, and it is difficult to guarantee the supply of some nurseries in the country. Therefore, in recent years, the types and quantities of tree seeds and seedlings used for greening and landscaping imported from China have suddenly increased. At the same time, it also led to the growth of China’s export of green seedlings. The types of green seedlings imported by China mainly include coniferous trees, colored leaf trees, flower-seeing trees, foliage trees, fast-growing trees, art-style trees, and bonsai trees. Green export