Took the magnolia obovata and prunus sargentill introdultive seedlings as test materials , tested the comprehensive process of wintering performance , analyzed the relationship of different protection measures and plant frostbite rates , the growth situation , explored the best methods of cultivation of magnolia obovata and prunus sargentill introductive seedlings and protection measures in winter , enacted appropriate cultivation and management measures in order to solve the problem of wintering of magnolia obovata under natural conditions in northern region 摘要以日本厚朴和山樱引种实生苗为试材，综合引种过程中日本厚朴和山樱的越冬表现，分析不同越冬防护措施与植株冻伤率、生长状况之间的关系，探讨沈阳地区引种日本厚朴和山樱栽培的最佳方式和越冬防寒措施，制定适宜的栽培管理措施，解决日本厚朴在北方地区自然条件下安全越冬问题。
