[1]祁春芳,刘育生通讯作者刘育生（970）,男,等.中金、中尚杨树无性系的选育[J].西北林学院学报,2007,22(01):51-55.
　QI Chunfang,LIU Yusheng.Selective Breeding of Zhongjin and ZhongshangPoplar Clones[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(01):51-55.
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中金、中尚杨树无性系的选育()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年01期
页码:
51-55
栏目:
林木培育与育种
出版日期:
2007-01-30

文章信息/Info

Title:
Selective Breeding of Zhongjin and ZhongshangPoplar Clones
作者:
祁春芳1; 刘育生2通讯作者刘育生（1970）; 男; 助理研究员; 主要从事森林培育与科研管理方面研究。
1.山西省桑干河杨树丰产林实验局，山西 大同 037006；2.西北农林科技大学 科研处，陕西 杨陵 712100
Author(s):
QI Chunfang1; LIU Yusheng2
1.Poplar Experimental Bureau of Shanxi Province, Datong, Shanxi 037006, China; 2. Research Division, Northwest A&F University, Yangling, Shaanxi 712100, China
关键词:
无性系; 生长性状; 材性性状; 遗传分析; 选择
Keywords:
clone;  growing characteristics;  timber characteristics;  genetic analysis;  select
分类号:
S722.33
文献标志码:
A
摘要:
本文以群众杨、合作杨为对照，对以I69、欧洲黑杨、美洲黑杨、小叶杨、箭黑杨、青杨等为亲本的23个杂种无性系，进行了生长性状和材性性状分析。各无性系的树高、胸径、材积均差异极显著。67年生树高和胸径的遗传力均很高。随着树龄的增大，生长性状的遗传力增大，受较强的遗传力的控制。各无性系间木材密度差异极显著，最大者较对照群众杨提高了23.5％，无性系间纤维长度差异极显著。ZJ2和ZJ10较对照群众杨高出10.9％，通过综合评分法，从23个无性系中，选出6个无性系，分别为ZJ7、ZJ2、ZJ3、ZJ10、ZS8和L910140。这几个无性系生长性状和材性性状均优良，可以与群众杨、合作杨等品种平行推广应用。
Abstract:
Taking Populus popularis and P. opera as controls, the growth and timber characteristics of the 23 crossbreeding varieties, which used. Populus I69, P.deltoids, P. nigra , P. simonii, P. nigra var thevestina × P. nigra and P. cathayana as parents have been analyzed genetically in the thesis. The height (H), diameter at breast height (DBH) and timber volume between the clones were significantly different. The hereditary capacities (HC) of tree height and DBH of all the clones at ages from 6 to 7 were high, the hereditary capacities of the growth characteristics increased with the age, i.e. it controlled by the HC strongly. There were significant differences of the timber density between the clones. Among them the biggest one, comparing with P. poplaris increased to 23.5% and the fiber length between the clones were different significantly, among them the Zj2 and Zj 10's fiber length were improved 10.9% comparing to the P. popularis. Through an integrated analysis, 6 clones, ZJ7，ZJ2，ZJ3，ZJ10，ZS8 and L910140 were selected out from 23 clones. Both growth and timber characteristics of the 6 clones selected were good, therefore they can be extended and applied in the practice with poplar varieties of P. popularis and P. nigra simultaneously.

参考文献/References:

［1］马常耕.我国杂交育种的现状和发展对策［J］.林业科学，1995,31(1)6067.（下转第58页）

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备注/Memo

备注/Memo:
收稿日期20060428修回日期20060820基金项目国家“八五”攻关科技专题“欧美杨胶合板材纸浆材新品种选育”作者简介祁春芳（1971），女，工程师。主要研究方向杨树育种。
更新日期/Last Update: 2010-05-04