香椿优树半同胞家系苗期测定及家系选择

陈建; 袁伟刚; 肖兴翠; 杨勇智; 郭洪英; 黄振; 陈炙

doi:10.16779/j.cnki.1003-5508.2017.05.002

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香椿优树半同胞家系苗期测定及家系选择

陈建 , 袁伟刚 , 肖兴翠 , 杨勇智 , 郭洪英 , 黄振 , 陈炙

文章导航 > 四川林业科技 > 2017 > 38(5): 8-12

陈建, 袁伟刚, 肖兴翠, 杨勇智, 郭洪英, 黄振, 陈炙. 香椿优树半同胞家系苗期测定及家系选择[J]. 四川林业科技, 2017, 38(5): 8-12. doi: 10.16779/j.cnki.1003-5508.2017.05.002

引用本文:

CHEN Jian, YUAN Wei-gang, XIAO Xing-cui, YANG Yong-zhi, GUO Hong-ying, HUANG Zhen, CHEN Zhi. Seedling Testing and Family Selection of Toona cillate Elite Half-sib Family[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(5): 8-12. doi: 10.16779/j.cnki.1003-5508.2017.05.002

Citation:

CHEN Jian, YUAN Wei-gang, XIAO Xing-cui, YANG Yong-zhi, GUO Hong-ying, HUANG Zhen, CHEN Zhi. Seedling Testing and Family Selection of Toona cillate Elite Half-sib Family[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(5): 8-12. doi: 10.16779/j.cnki.1003-5508.2017.05.002

香椿优树半同胞家系苗期测定及家系选择

doi: 10.16779/j.cnki.1003-5508.2017.05.002

详细信息

眉山市东坡区林业局，四川眉山 620010;雅安市雨城区国有林场，四川雅安 625000;四川省林业科学研究院，四川成都 610081

作者简介:
陈建(1973-),男,助理工程师,主要从事森林培育方面的工作。

基金项目:
四川省科技计划项目"突破性林木新品种选育与育种材料创新"(2016NYZ0035)子专题"香椿、香椿突破性新品种选育与育种材料创新"(2016NYZ0035-03)、"用材香椿良种繁育及高效培育技术示范推广"(项目编号:15010123)、四川省省财政专项"香椿优树选择及无性系化研究"(ZL2016-06)及"速生用材香椿种质资源调查收集与优树无性系化技术研究"(ZL2015-21)资助。
中图分类号: S792.33

Seedling Testing and Family Selection of Toona cillate Elite Half-sib Family

More Information

Forestry Bureau of Dongpo District in Meishan City, Meishan 620010, Sichuan;State-owned Forest Farm of Yucheng District, Ya'an 625000, Sichuan;Sichuan Academy of Forestry, Chengdu 610081, Sichuan

摘要: 为了奠定香椿遗传改良的基础,以四川省45个香椿优树半同胞家系为研究对象,进行了轻基质容器育苗试验,通过苗期生长指标测定,结果表明:家系间苗高和地径均有极显著差异,表明香椿优树半同胞家系间存在丰富的遗传变异,具选育潜力。综合筛选出蓬溪19号、蓬溪18号、蓬溪24号和蓬溪8号4个香椿苗期速生的家系,4个香椿优良家系平均苗高和地径分别为29.92 cm和4.18 mm,获得的遗传增益分别为23.59%和7.99%,较本次参试的45个家系平均苗高(23.22 cm)和地径(3.82 mm)分别高出28.83%和9.51%。然而,香椿半同胞家系间苗高、地径等性状均不能代表整个树体成长的过程,苗期表现只能为香椿优良家系选育的早期选择提供参考。
- 香椿;
- 优树;
- 半同胞家系;
- 苗期性状;
- 家系选择
Abstract: In order to establish genetic improvement foundation of Toona sinensis, a seedling raising tests in a light medium container were conducted by using 45 Toona sinensis elite and half-sib families progenys in Sichuan, and investigations were made on the growth condition of seedling height and ground diameter. The result showed that there were extremely significant differences in both seedling height and ground diameter among families, which showed good selecting and breeding potentiality for their abundant variation among half-sib families. After statistically analyzing, 4 fast-growing improved families in seedling period of Toona sinensis were screened out, by the name of No. 19, 18, 24, 8 of Pengxi. The average seedling height and ground diameter of 4 fast-growing improved families were 29.92 cm and 4.18 mm respectively, which were higher by 28.83% and 9.51% than the average figure of 23.22 cm and 3.82 mm of the 45 tested families, respectively, and the genetic gains were 23.59% and 7.99%, respectively. However, the growth performance in the seedling period could not demonstrate the growth law during whole life time but could help researchers finish early selection of selecting and breeding of Toona sinensis improved families.
- Toona sinensis;
- Elite tree;
- Half-sib families;
- Seedling performance;
- Family selecting

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香椿优树半同胞家系苗期测定及家系选择

doi: 10.16779/j.cnki.1003-5508.2017.05.002

眉山市东坡区林业局，四川眉山 620010;雅安市雨城区国有林场，四川雅安 625000;四川省林业科学研究院，四川成都 610081

作者简介:
陈建(1973-),男,助理工程师,主要从事森林培育方面的工作。

收稿日期: 2017-07-03

基金项目:

四川省科技计划项目"突破性林木新品种选育与育种材料创新"(2016NYZ0035)子专题"香椿、香椿突破性新品种选育与育种材料创新"(2016NYZ0035-03)、"用材香椿良种繁育及高效培育技术示范推广"(项目编号:15010123)、四川省省财政专项"香椿优树选择及无性系化研究"(ZL2016-06)及"速生用材香椿种质资源调查收集与优树无性系化技术研究"(ZL2015-21)资助。

中图分类号: S792.33

关键词:

摘要: 为了奠定香椿遗传改良的基础,以四川省45个香椿优树半同胞家系为研究对象,进行了轻基质容器育苗试验,通过苗期生长指标测定,结果表明:家系间苗高和地径均有极显著差异,表明香椿优树半同胞家系间存在丰富的遗传变异,具选育潜力。综合筛选出蓬溪19号、蓬溪18号、蓬溪24号和蓬溪8号4个香椿苗期速生的家系,4个香椿优良家系平均苗高和地径分别为29.92 cm和4.18 mm,获得的遗传增益分别为23.59%和7.99%,较本次参试的45个家系平均苗高(23.22 cm)和地径(3.82 mm)分别高出28.83%和9.51%。然而,香椿半同胞家系间苗高、地径等性状均不能代表整个树体成长的过程,苗期表现只能为香椿优良家系选育的早期选择提供参考。

English Abstract

Seedling Testing and Family Selection of Toona cillate Elite Half-sib Family

Forestry Bureau of Dongpo District in Meishan City, Meishan 620010, Sichuan;State-owned Forest Farm of Yucheng District, Ya'an 625000, Sichuan;Sichuan Academy of Forestry, Chengdu 610081, Sichuan

Received Date: 2017-07-03

Keywords:

Abstract: In order to establish genetic improvement foundation of Toona sinensis, a seedling raising tests in a light medium container were conducted by using 45 Toona sinensis elite and half-sib families progenys in Sichuan, and investigations were made on the growth condition of seedling height and ground diameter. The result showed that there were extremely significant differences in both seedling height and ground diameter among families, which showed good selecting and breeding potentiality for their abundant variation among half-sib families. After statistically analyzing, 4 fast-growing improved families in seedling period of Toona sinensis were screened out, by the name of No. 19, 18, 24, 8 of Pengxi. The average seedling height and ground diameter of 4 fast-growing improved families were 29.92 cm and 4.18 mm respectively, which were higher by 28.83% and 9.51% than the average figure of 23.22 cm and 3.82 mm of the 45 tested families, respectively, and the genetic gains were 23.59% and 7.99%, respectively. However, the growth performance in the seedling period could not demonstrate the growth law during whole life time but could help researchers finish early selection of selecting and breeding of Toona sinensis improved families.