火炬松树干通直度遗传变异及选择效果初探  被引量:2

Approaching the Genetic Variation and Selection Effect by Stem Straightness of Loblolly Pine

在线阅读下载全文

作  者:吕本树[1,1] 姜景民[1,1] 孙海菁[1] 

机构地区:[1]中国林业科学研究院亚热带林业研究所

出  处:《林业科学研究》1997年第6期668-672,共5页Forest Research

基  金:国家"八五"科技攻关专题

摘  要:火炬松树干通直度遗传变异及选择效果初探@吕本树@姜景民@孙海菁¥中国林业科学研究院亚热带林业研究所火炬松,种源—家系,通直度,遗传变异火炬松树干通直度遗传变异及选择效果初探*吕本树姜景民孙海菁关键词火炬松种源—家系通直度遗传变异在火炬松(Pinustaed...The investigation on the stem straightness of loblolly pine on five 10yearold proven ances tests and one 6yearold halfsib progeny tests plantation of seed orchard revealed that,there were marked difference among provenances in each test with GCV=4.64%~15.25% and H2=0.49~0.83,but the variations among families were not significant.The relationship of straightness with most of the growth traits were not close,namely it was independantly inherited.When stem straightness was used in multitrait selection for building lumber or pulp wood,the straight,highyielding and high wood quality provenances or families could be selected.

关 键 词:火炬松 种源 家系 通直度 遗传变异 选择效果 

分 类 号:S791.255[农业科学—林木遗传育种]

 

参考文献:

正在载入数据...

 

二级参考文献:

正在载入数据...

 

耦合文献:

正在载入数据...

 

引证文献:

正在载入数据...

 

二级引证文献:

正在载入数据...

 

同被引文献:

正在载入数据...

 

相关期刊文献:

正在载入数据...

相关的主题
相关的作者对象
相关的机构对象