武威外来树种抗寒性田间测定  

Field Measurement of Cold Resistance for Exotic Species in Wuwei Foreign Trees

作　　者：于柱英 冯祥元 季立荣 任学花 张生伟 

机构地区：[1]武威市林业综合服务中心,甘肃武威733000

出　　处：《防护林科技》2012年第2期20-21,23,共3页Protection Forest Science and Technology

摘　　要：用树木抗寒等级标准对武威89个外来树种进行平均抗寒指数测定,结果表明,武威市抗寒树种有46种,较抗寒树种34种,其余为不抗寒树种。提出了树种选择的抗寒性定量指标。Mean cold-resistance index of 89 foreign trees in Wuwei city was determined by using standards for grade of cold- resistance of trees. Result shows that there are 46 kinds of cold-resistactant species in Wuwei city, more cold-resistactant species being 34 kinds;the rest is non-cold-resistant species. Quantitative indicators of cold-resistance for tree species se- lection were put forward.

关 键 词：树木 抗寒等级 抗寒指数 树种选择 武威 

分 类 号：S718.45[农业科学—林学]