摘要
对湖北省宜昌市夷陵区国有樟村坪林场的3个种21个种源5年生(包括苗龄2年)云杉试验林观测数据进行分析,结果表明:成活率和保存率、平均胸径、树高冠幅均表现出欧洲云杉最好,最优良种源是5号和6号种源,其立木单株树高比其它2个种平均树高提高24.7%。
The analysis of Picea asperata test forest observational data of 21 provenances m ;5 specles s-year- old （including 2 yearg seedling age） in Zhangcunping Forest Farm in Yiling district in Yichang city in Hubei province. The results showed that Picea abies was best in the survival and preservation rate, average diame- ter at breast height, tree height and crown width of the best provenances were the fifth and the sixth, its stumpage plant tree height increased 24.7% higher than the other two kinds of tree average height.
出处
《湖北林业科技》
2013年第3期4-7,23,共5页
Hubei Forestry Science and Technology
基金
国家"十二五"科技支撑计划课题"北亚热带落叶松
云杉育种技术研究"(2012BAD01B02-1)
关键词
云杉
种源
生长量
Picea asperata ~ provenances
growth
