杨树优良无性系选择初探

Journal of Inner Mongolia Forestry Science and Technology(2012)

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Abstract
引种杨树无性系进行对比造林试验,对保存率大于70%的7种无性系的生长量和稳定性进行分析评价,结果选择出哲林4号和白林2号杨,抗逆性比较强,生长量也比较高。8年生幼树的胸径生长量达12.4cm和11.6 cm,为对照树种小黑杨的124%和116%;树高为11.7 m和12.1 m,为对照树种的129%和133%。哲林4号和白林2号杨综合评定为优良无性系。
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Key words
Populus L.,fine clones,stability,growth
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