[1]吴东山,梁健敏,杨章旗,等.20 年生马尾松半同胞子代生长和产脂力遗传变异及指数选择[J].浙江林业科技,2018,38(02):8-13.[doi:10.3969/j.issn.1001-3776.2018.02.002]
 WU Dong-shan,LIANG Jian-min,YANG Zhang-qi,et al.Genetic Variation and Index Selection of Growth and Resin Yield of 20-year Half-sib Families of Pinus massoniana[J].Journal of Zhejiang Forestry Science and Technology,2018,38(02):8-13.[doi:10.3969/j.issn.1001-3776.2018.02.002]
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20 年生马尾松半同胞子代生长和产脂力遗传变异及指数选择()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
38
期数:
2018年02期
页码:
8-13
栏目:
出版日期:
2018-05-31

文章信息/Info

Title:
Genetic Variation and Index Selection of Growth and Resin Yield of 20-year Half-sib Families of Pinus massoniana
作者:
吴东山1梁健敏2杨章旗1黄永利3
1. 广西壮族自治区林业科学研究院,国家林业局马尾松工程技术研究中心,广西马尾松工程技术研究中心,广西 南宁,530002; 2. 广西贵港市覃塘林场,广西 贵港,537121;3. 广西南宁市林业科学研究所,广西 武鸣 530100
Author(s):
WU Dong-shan1LIANG Jian-min2YANG Zhang-qi1HUANG Yong-li3
1. Guangxi Forestry Research Institute, Nanning 530002, China; 2.Qin Tong forest farm, Guangxi, Guigang 537121, China; 3. Nanning Forestry Research Institute of Guangxi, Wuming 530100, China
关键词:
马尾松半同胞家系生长与产脂遗传增益相关性指数选择
Keywords:
Pinus massoniana half-sib family growth and resin yield genetic gain correlation index selection
分类号:
S722.5;S719.248
DOI:
10.3969/j.issn.1001-3776.2018.02.002
文献标志码:
A
摘要:
以20 年生马尾松Pinus massoniana 半同胞子代采脂林为研究对象,分析其生长性状、产脂性状的变异并进 行指数选择研究。结果表明,树高、胸径、材积、产脂力在家系间存在极显著(P<0.01)的遗传差异,其遗传变 异系数分别为5.28%,8.33%,12.41%和4.71%;家系遗传力分别为0.524,0.607,0.585 和0.468。各性状间相关 分析结果表明,生长性状和产脂性状间存在显著(P<0.05)的表型、遗传相关,胸径性状的改良对产脂性状的间 接改良效果明显,两者间存在极显著(P<0.01)遗传正向相关关系。利用生长性状、产脂性状构建的指数选择方 程,选择出10 个高产脂优良家系,其平均产脂力遗传增益为23.92%。分析结果表明运用指数法对林木的多性状 综合选择及定向选择是可行的。
Abstract:
In July 2011, determinations were carried out on height, DBH and volume of 20-year Pinus massoniana of 48 half-sib families and 5 controls in Nanning, Guangxi Zhuang Autonomous Region, and from August to December of the same year, resin tapping was implemented. Analysis demonstrated that height, DBH, volume and resin yield had significant genetic differences among families, with variable coefficient of 5.28%, 8.33%, 12.41% and 4.71%, and heritability of 0.524, 0.607, 0.585 and 0.468. Correlation analysis on different traits indicated that it had significant phenotypic and genetic correlation among growth and resin yield. Improvement of DBH had obvious effect on resin yield, indicating significant positive correlation between them. Index equation with growth traits and resin yield calculated 10 superior families. Their mean genetic gain of resin yield was 23.92%.

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备注/Memo

备注/Memo:
收稿日期:2017-09-13;修回日期:2018-01-25 基金项目:马尾松材脂兼用林高效培育技术研究(2017YFD0600303);松树遗传改良与优良无性系规模化生产应用(桂科AA17204087-1); 马尾松材脂兼用高效培育技术创新与示范(桂科AA17204087-4);松脂高特征性组分优良繁殖材料的选择与应用,桂林科字 〔2016〕1 号 作者简介:吴东山,硕士,工程师,从事森林培育研究;E-mail:wudshan@126.com。通信作者:杨章旗,博士,教授级高级工程师,从事 林木遗传育种学研究;E-mail:yangzhangqi@163.com。
更新日期/Last Update: 2018-06-15