[1]曹汉洋.杉木第2代种子园半同胞子代测定及早期选择[J].南京林业大学学报(自然科学版),2011,35(01):019-23.[doi:10.3969/j.jssn.1000-2006.2011.01.005]
 CAO Hanyang.Halfsib progeny test and early selection of the 2nd generation seed orchard for Cunninghamia lanceolata[J].Journal of Nanjing Forestry University(Natural Science Edition),2011,35(01):019-23.[doi:10.3969/j.jssn.1000-2006.2011.01.005]
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杉木第2代种子园半同胞子代测定及早期选择
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
35
期数:
2011年01期
页码:
019-23
栏目:
研究论文
出版日期:
2011-01-01

文章信息/Info

Title:
Halfsib progeny test and early selection of the 2nd generation seed orchard for Cunninghamia lanceolata
作者:
曹汉洋
福建省永安国有林场,福建永安366031
Author(s):
CAO Hanyang
National Forest Farm of Yong′an,Fujian Province,Yong′an 366031,China
关键词:
杉木第2代种子园半同胞子代测定遗传参数
Keywords:
Cunninghamia lanceolata 2nd generation seed orchard halfsib progeny test genetic parameters
分类号:
S722
DOI:
10.3969/j.jssn.1000-2006.2011.01.005
文献标志码:
A
摘要:
在福建省沙县官庄国有林场对杉木第2代种子园半同胞子代进行研究。结果表明,杉木第2代种子园半同胞子代保存率和生长性状在家系水平上均有统计学意义,并受到中度或中度偏下遗传控制。较树高、胸径而言,以材积为指标进行选择可获得更大遗传增益。据连续4 a调查数据从参试家系中综合选择出6个优良家系和12株优良单株,选择效果明显。同时,选择出9个生长不良的家系为第2代种子园疏伐对象,以此措施提高杉木第2代种子园种子遗传品质。
Abstract:
To provide technical basis for construction of highgeneration seed orchard, progeny test was conducted by using halfsib progenies of the 2nd generation seed orchard of Cunninghamia lanceolata on National Forest Farm in Shaxian, Fujian province. The results showed that there were genetic differences among families in growth and preservation rate. And the differences were controlled by genetic factors, moderately or lower. By contrast, more genetic gain would be got if volume other than tree height and DBH was used as the selection index. Six superior families and 12 superior individuals were selected based on data of four consecutive years. During the the same period, nine poor families were selected in the 2nd generation seed orchard for thinning cut to improve the seed orchard. This study provides a meaningful technique for the construction of highgeneration seed orchard.

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备注/Memo

备注/Memo:
收稿日期:2010-08-25修回日期:2010-09-29基金项目:福建省林木种苗科技攻关项目(闽林综(2003)127号)作者简介:曹汉洋(1966—),高级工程师。Email:Lyaschy@163.com。
更新日期/Last Update: 2011-01-14