改革开放以来 ,随着我国对外贸易的发展 ,通过上海口岸进口的花卉种苗数量不断增加 ,进口过程中由于保活的需要 ,种苗常常带有少量根际土壤或栽培介质。近期 ,一些从事蔬菜和花卉生产的企业因现代化农业生产的需要 ,开始从国外进口栽培介质 (主要是泥炭 )。而我国的检疫法规定 Since the reform and opening up, with the development of China’s foreign trade, the quantity of flower seeds and seedlings imported through Shanghai ports has been increasing. Due to the need of keeping subsistence, seedlings often contain a small amount of rhizosphere soil or cultivation medium. Recently, some enterprises engaged in the production of vegetables and flowers began to import cultivation media (mainly peat) from abroad due to the needs of modern agricultural production. Quarantine Law in our country