关键词: 园林, 常绿木本植物, 冰雪灾害, 预防措施, 株洲市

Abstract: Snow disasters in the early spring of 2008 to the garden evergreen woody plants in Zhuzhou was investigated with the quadrat method.The results showed that the ornamental plants in Zhuzhou,Hunan Province were seriously damaged by the heavy snow squall.The injured symptoms of plants were characterized by snow broken,snow inverted,and plants organs frozen.Cinnamomum camphora,Phyllostachys edulis,Cunninghamia lanceolata,and Pinus massoniana were more injuried by snow broken and snow inverted.The most injuried species were those introducted from south subtropical regions in recently years.Most of them died,and some survival ones need 2～4 years to recover.All native traditional plants hurt by the freezing flushed new leaves in late May and recovered to normal growth.The authos believe that it is possible to prevent from snow disasters.Some measures must be done for that.Scientific principle in introducing of exotic species must be obeyed.Sound rules for introducting exotic tree species must be carried out.Adaptable trees would be planted in adaptable sites.Garden plants are chosen according to forest site classification.The horticultural technology must be improved(for example coldproofing and frostproofing measures,pruning and sculpting).Cultivation and management measures such as planting mixed forests and shelterbelts can prevent snow disasters from injuring trees.

Key words: garden evergreen woody plants, snow disaster, prevent, Zhuzhou