[1]张平冬,吴 峰,康向阳,等.三倍体白杨杂种无性系的纤维性状遗传变异研究[J].西北林学院学报,2014,29(01):78-83.[doi:10.3969/j.issn.1001-7461.2014.01.16]
 ZHANG Ping-dong,WU Feng,KANG Xiang-yang,et al.Genetic Variation of Fiber Properties of Triploid Hybrid Clones of White Poplar[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(01):78-83.[doi:10.3969/j.issn.1001-7461.2014.01.16]
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三倍体白杨杂种无性系的纤维性状遗传变异研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年01期
页码:
78-83
栏目:
林木遗传育种与培育
出版日期:
2014-01-21

文章信息/Info

Title:
Genetic Variation of Fiber Properties of Triploid Hybrid Clones of White Poplar
文章编号:
1001-7461(2014)01-0078-06
作者:
张平冬1吴 峰1康向阳1田书勇2
1.北京林业大学 林木育种国家工程实验室,北京 100083;
2.国有冠县苗圃,山东 冠县 252500
Author(s):
ZHANG Ping-dong1WU Feng1KANG Xiang-yang1TIAN Shu-yong2
1. National Engineering Laboratory for Tree Breeding, Beijing Forestry University, Beijing 100083, China;
2. National Nursery of Guanxian County, Guanxian, Shandong 252500, China
关键词:
三倍体白杨杂种 无性系 纤维性状 重复力 遗传变异
Keywords:
white poplar triploid hybrid clone clone fiber property repeatability genetic variation
分类号:
S792.117
DOI:
10.3969/j.issn.1001-7461.2014.01.16
文献标志码:
A
摘要:
以5年生三倍体白杨杂种无性系测定林为研究对象,对三倍体白杨杂种无性系纤维性状的遗传变异及其与生长性状间的相关性进行了研究。结果表明,不同无性系的纤维长度、纤维宽度、纤维粗度及长宽比的差异显著。三倍体白杨杂种无性系的平均纤维长度、平均纤维宽度、平均长宽比以及平均纤维粗度分别为(0.818±0.033)mm、(25.3±0.71)μm、(32.3±1.4)、(112.2±7.4)μg·m-1,比对照毛白杨无性系1319分别提高20.6%、14.0%、5.5%、28.2%。三倍体白杨杂种无性系纤维长度、纤维宽度、长宽比以及纤维粗度的重复力分别为0.89、0.88、0.57、0.87。生长性状与纤维长度、长宽比间呈显著的正相关,而与纤维宽度、纤维粗度呈不显著的正相关,表明选择生长量大的三倍体白杨杂种无性系,可以显著提高其纤维长度和长宽比,而不会显著改变其纤维宽度以及纤维粗度。
Abstract:
An experiment was conducted to determine the genetic variations of fiber properties and phenotypic correlations between the growth traits and fiber properties of five-year-old triploid hybrid clones of white Poplar.The results indicated that clonal effects were significant on fiber length,fiber width,coarseness, and ratio between fiber length/width. The average fiber length, width,ratio of length to width,and coarseness were(0.818±0.033)mm,(25.3±0.71)μm,(32.3±1.4)and(112.2±7.4)μg·m-1,respectively.which increased by 20.6%, 14.0%, 5.5%, and 28.2%,respectively, compared with those of the control(diploid clone 1319 of Populus tomentosa).The estimated repeatability of clonal means was 0.89 for fiber length,0.88 for fiber width,0.57 for the ratio of fiber length to width,and 0.87 for coarseness.Significantly positive correlations were observed between growth traits and fiber length and the ratio of fiber length to width, and insignificantly positive correlations were found between growth traits and fiber width and coarseness,suggesting that selection of triploid clones with fast growth will lead to an significant increase in fiber length and the ratio of fiber length to width, and will not lead to a significant change in fiber width and coarseness.

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备注/Memo

备注/Memo:
收稿日期:2013-06-20 修回日期:2013-08-01
基金项目:“十二五”农村领域国家科技支撑计划专题(2012BAD01B0302); 中央高校基本科研事业费专项(YX2013-07)。
作者简介:张平冬,男,副教授,研究方向:林木细胞遗传学与多倍体育种。E-mail:zhangpd@bjfu.edu.cn
更新日期/Last Update: 2014-01-20