[1]徐清乾,吴成田,许忠坤*.杉木全双列子代遗传变异分析[J].湖南林业科技,2015,(06):7-12.[doi:10.3969/j.issn.1003-5710.2015.06.002]
 ,Analysis of Chinese fir full diallel progeny genetic variation[J].Hunan Forestry Science & Technology,2015,(06):7-12.[doi:10.3969/j.issn.1003-5710.2015.06.002]
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杉木全双列子代遗传变异分析()
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《湖南林业科技》[ISSN:1003-5710/CN:43-1096/S]

卷:
期数:
2015年06期
页码:
7-12
栏目:
研究报告
出版日期:
2015-11-30

文章信息/Info

Title:
Analysis of Chinese fir full diallel progeny genetic variation
文章编号:
1003-5710(2015)06-0007-06
作者:
徐清乾1;? 吴成田2;? 许忠坤1*
1湖南省林业科学院, 湖南 长沙410004;
2靖州县排牙山国有林场, 湖南 靖州 418400
Author(s):
XUQingqian1;?WUChengtian2;?XUZhongkun1
1HunanAcademyofforestry,Changsha410004,China;
2JingzhouPaiyashanStateOwnedForestFarm,Jingzhou418400,China
关键词:
杉木;? 无性系;? 全双列杂交;? 配合力;? 遗传方差
Keywords:
Chinese fir;? clone;? full line crossing;? combining ability;? genetic variance
分类号:
S 7912701
DOI:
10.3969/j.issn.1003-5710.2015.06.002
文献标志码:
A
摘要:
对杉木8个无性系全双列杂交组合的32年生成林的树高、胸径和材积作了杂交优势和自交衰退效应分析,并对配合力方差和配合力效应值进行了计算。得出如下结论: 3个性状都存在真实的遗传变异,一般配合力、特殊配合力、正反交效应方差都达到显着水平,且材积以特殊配合力的遗传方差比(GVC)最大。评选出适于杂交的优良无性系3个,适于建立双系种子园的优良无性系2组,适于选作二代优树的优良杂交组合19个。
Abstract:
The eight clones of Chinese fir complete diallel crosses of 32yearold forest's tree height, DBH and volume for test the advantages of hybrid and inbred fading effect analysis, and the combining ability variance and combining ability effect value were calculated.The result show that: true genetic variation exists in three traits, general combining ability, special combining ability, positive and negative cross effect variance all reached significant level, and volume to special combining ability of the genetic variance ratio (GVC) is maximum.Selected three excellent clones for hybridization and two growps of excellent clones for Biclonal seed orchard, and 19 combination of cross superior trees for second generation

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备注/Memo

备注/Memo:
基金项目:农村领域国家科技计划项目“湖南杉木三代育种技术研究与示范”(2012BAD01B020102)。
作者简介:徐清乾(1963-),男,湖南省浏阳市人,研究员,主要从事林木育种研究。
* 为通讯作者。
更新日期/Last Update: 2015-11-30