摘要
应用田间生长量实测法和统计分析方法研究了22个不同种源青杨Populuscathayana幼树的生长特性。结果表明:所有参试青杨种源间和无性系间的生长特性均有显著差异。生长较好的卢氏、洛南、长安等6个种源,其内部的无性系间亦有差别,每一种源内部都有生长较好的无性系,这说明进行林木杂交育种时,在优良的种源中选择好的单株作杂交亲本也是有意义的。
. The growth characters of 22 young trees of Populus cathayana of different provenances are studied by the methods of field investigation and statistics analysis. The results show that there are significant difference among the growth characters of young trees of all provenances and clones. Young trees of P.cathayana from Lushi, Luonan, Changan and other provenances grow well, but there are obvious differences among clones. Young trees of every provenance have well grown clone,which indicates that choosing a good tree of super provenance as cross parent is meaningful when we conduct tree hybridization breeding.
出处
《浙江林学院学报》
CSCD
北大核心
2004年第1期115-118,共4页
Journal of Zhejiang Forestry College
基金
八五"国家科技攻关资助项目(85 018 01 07)
关键词
森林培育学
青杨
种源
生长特性
亲本选择
. silviculture
Populus cathayana
provenance
growth character
variation
choosing parent
