摘要
对参试楸叶桐无性系进行了３试点多年度的测定，选出８２０１４和１３３两个优良系号，暂定名为烟楸桐（选）一号和二号。两个优良无性系均具有主干圆满通直、生长快、抗性较强的特点；５年生测定结果，单株材积分别超过对照７５．６８％～９１．１４％和４５．９１％～７８．４７％，遗传增益显著。
After permanent test on P. catalpifolia clones in 3 spots,two improved clones,i.e. 82014 and 133,temporarily named Yan P. catalpifolia Ⅰ&Ⅱ,have been selected.They are characterized by fine stem,growing fast,stronger resistance to diseases and pests.The results of 5-year measurement demonstrate that their volumes are higher than the control by 25.28%-91.4% and 45.91%-78.47% respectively,genetic gains both are significant.
出处
《山东林业科技》
北大核心
1998年第4期15-19,共5页
Journal of Shandong Forestry Science and Technology
关键词
楸叶桐
无性系
测定林
育种
Paulownia Catalpifolia
clone
test stands
