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长江滩地杨树无性系苗期选择研究
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摘要:
在定期观测引种的81个杨树无性系苗期生长量的基础上,运用DPS软件对引种的81个杨树无性系的扦插成活率、Ⅰ级苗率进行系统聚类分析,结果表明,81个杨树无性系分成3种类型,第二类的17个无性系表现优良。这17个杨树无性系早期生长统计分析结果,杨树无性系以14、65、41、43、44和32生长较好。
关键词:  长江滩地 苗期选择 杨树 无性系
DOI:
修订日期:2001-10-16
基金项目:国家科技攻关项目;98-02;
Study on the Seedling Selection of Poplar Strains on Beach of Changjiang River
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Abstract:
Based on the growth analysis of different poplar strains planted in beach of Changjiang river,a statistic method was employed to classify the 81 poplar strains into 3 groups.The results of statistic analysis of early year growth showed that poplar strains, such as 14,65,41,43,44 and 32 were better compared to the others.
Key words:  beach,poplar strains,seedling,selection

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