鹅掌楸属种源生长性状变异与优良种源选择

贾晨; 周永丽; 陈国平; 何彬生; 辜云杰; 高洁; 罗建勋

doi:10.16779/j.cnki.1003-5508.2015.06.016

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鹅掌楸属种源生长性状变异与优良种源选择

贾晨 , 周永丽 , 陈国平 , 何彬生 , 辜云杰 , 高洁 , 罗建勋

文章导航 > 四川林业科技 > 2015 > 36(6): 85-89

贾晨, 周永丽, 陈国平, 何彬生, 辜云杰, 高洁, 罗建勋. 鹅掌楸属种源生长性状变异与优良种源选择[J]. 四川林业科技, 2015, 36(6): 85-89. doi: 10.16779/j.cnki.1003-5508.2015.06.016

引用本文:

JIA Chen, ZHOU Yong-li, CHEN Guo-ping, HE Bin-sheng, GU Yun-jie, GAO Jie, LUO Jian-xun. A Study of Variation of Growing Traits of Liriodendron and Its Excellent Provenance Selection[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(6): 85-89. doi: 10.16779/j.cnki.1003-5508.2015.06.016

Citation:

JIA Chen, ZHOU Yong-li, CHEN Guo-ping, HE Bin-sheng, GU Yun-jie, GAO Jie, LUO Jian-xun. A Study of Variation of Growing Traits of Liriodendron and Its Excellent Provenance Selection[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(6): 85-89. doi: 10.16779/j.cnki.1003-5508.2015.06.016

鹅掌楸属种源生长性状变异与优良种源选择

doi: 10.16779/j.cnki.1003-5508.2015.06.016

详细信息

四川省林业科学研究院，四川成都 610081;夹金山林业局，四川雅安 625700;国营通江县空山林场，四川通江 636700

作者简介:
贾晨(1989-),硕士,工程师,主要从事森林培育与经营研究。

基金项目:
四川省财政专项院自列项目:鹅掌楸种质资源综合评价及优异种质选择[ZL2015-09]。
中图分类号: S722

A Study of Variation of Growing Traits of Liriodendron and Its Excellent Provenance Selection

More Information

Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;Forestry Bureau of Jiajinshan, Yaan 625700, Sichuan, China;Tongjiang Kongshan State Forestry Centre, Tongjiang 636700, Sichuan, China

摘要: 以设置在四川省邛崃国有林场的22 a生鹅掌楸种源试验林为研究对象,测定其树高、胸径、枝下高和冠幅等主要生长性状,进行遗传变异分析和种源选择。结果表明:鹅掌楸属多个种的生长性状在种源间存在极显著或显著的遗传差异。9个种源的鹅掌楸平均树高12.44 m,平均胸径20.20 cm,平均材积0.2182 m³,平均冠幅3.18m,平均枝下高8.35 m。海拔高低对鹅掌楸胸径生长影响显著。树高、胸径、材积、冠幅和枝下高的种源广义遗传力分别为0.856、0.847、0.806、0.576与0.547,受较强的遗传控制。以树高、胸径和材积3个性状的生长量为指标,综合评选出3个优良种源,分别是贵州黎平、四川叙永和美国A。入选种源的胸径、树高和材积的平均遗传增益分别是19.56%、6.60%和35.36%,贵州黎平种源的材积遗传增益最多(39.88%),四川叙永次之(33.71%)。综合筛选出6株优良单株,入选优良单株胸径、树高与材积平均值分别是30.4 cm、15.17 m与0.5230 m³,分别超总体均值22.09%、14.47%与66.63%。本研究为四川地区的鹅掌楸栽培推广提供了物质条件和理论依据。
- 鹅掌楸属;
- 种源;
- 性状变异;
- 种源选择
Abstract: In this paper,Liriodendron provenance forest at the age of twenty-two in Qionglai National Forest Farm in Sichuan province was taken as the research object,the main growth traits such as tree height (H), diameter at breast height (DBH),volume (V),height under branch(HB) and crown width(CW) were determined in order to analyze the genetic variation and conduct the selection of its provenance. The results showed that there were statistically significant difference in H,DBH,and V among different provenances,while there were significant difference in HB,and CW. The average H,average DBH,average V, average CW and average HB of 9 provenances were 12.44 m,20.20 cm,0.2182 m³,3.18 m and 8.35 m respectively. The elevation level had a significant influence on the DBH growth of Liriodendron. The hereditabilities of tree height, DBH, volume of tree, CW and HB were 0.856, 0.847, 0.806, 0.576 and 0.547,which indicated that the growth traits were strongly controlled by genetic factors. Three superior provenances Liping Guizhou,Xuyong Sichuan and America A, were selected by synthetic evaluation. The selected provenances' genetic increments of DBH, H and stem volume were 19.56%, 6.60% and 35.36% respectively. Six superior individuals were selected out by comprehensive appraisal,whose average DBH,H and stem volume were 30.4 cm,15.17 m and 0.5230 m³ respectively, and exceeded the population means of 22.09%,14.47% and 66.63% respectively. This study provided the material conditions and theoretical basis for the cultivation and popularization of Liriodendron in Sichuan region.
- Liriodendron;
- Provenance;
- Character variation;
- Provenance selection

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鹅掌楸属种源生长性状变异与优良种源选择

doi: 10.16779/j.cnki.1003-5508.2015.06.016

四川省林业科学研究院，四川成都 610081;夹金山林业局，四川雅安 625700;国营通江县空山林场，四川通江 636700

作者简介:
贾晨(1989-),硕士,工程师,主要从事森林培育与经营研究。

收稿日期: 2015-10-23

基金项目:

四川省财政专项院自列项目:鹅掌楸种质资源综合评价及优异种质选择[ZL2015-09]。

中图分类号: S722

关键词:

摘要: 以设置在四川省邛崃国有林场的22 a生鹅掌楸种源试验林为研究对象,测定其树高、胸径、枝下高和冠幅等主要生长性状,进行遗传变异分析和种源选择。结果表明:鹅掌楸属多个种的生长性状在种源间存在极显著或显著的遗传差异。9个种源的鹅掌楸平均树高12.44 m,平均胸径20.20 cm,平均材积0.2182 m³,平均冠幅3.18m,平均枝下高8.35 m。海拔高低对鹅掌楸胸径生长影响显著。树高、胸径、材积、冠幅和枝下高的种源广义遗传力分别为0.856、0.847、0.806、0.576与0.547,受较强的遗传控制。以树高、胸径和材积3个性状的生长量为指标,综合评选出3个优良种源,分别是贵州黎平、四川叙永和美国A。入选种源的胸径、树高和材积的平均遗传增益分别是19.56%、6.60%和35.36%,贵州黎平种源的材积遗传增益最多(39.88%),四川叙永次之(33.71%)。综合筛选出6株优良单株,入选优良单株胸径、树高与材积平均值分别是30.4 cm、15.17 m与0.5230 m³,分别超总体均值22.09%、14.47%与66.63%。本研究为四川地区的鹅掌楸栽培推广提供了物质条件和理论依据。

English Abstract

A Study of Variation of Growing Traits of Liriodendron and Its Excellent Provenance Selection

Sichuan Academy of Forestry, Chengdu 610081, Sichuan, China;Forestry Bureau of Jiajinshan, Yaan 625700, Sichuan, China;Tongjiang Kongshan State Forestry Centre, Tongjiang 636700, Sichuan, China

Received Date: 2015-10-23

Keywords:

Abstract: In this paper,Liriodendron provenance forest at the age of twenty-two in Qionglai National Forest Farm in Sichuan province was taken as the research object,the main growth traits such as tree height (H), diameter at breast height (DBH),volume (V),height under branch(HB) and crown width(CW) were determined in order to analyze the genetic variation and conduct the selection of its provenance. The results showed that there were statistically significant difference in H,DBH,and V among different provenances,while there were significant difference in HB,and CW. The average H,average DBH,average V, average CW and average HB of 9 provenances were 12.44 m,20.20 cm,0.2182 m³,3.18 m and 8.35 m respectively. The elevation level had a significant influence on the DBH growth of Liriodendron. The hereditabilities of tree height, DBH, volume of tree, CW and HB were 0.856, 0.847, 0.806, 0.576 and 0.547,which indicated that the growth traits were strongly controlled by genetic factors. Three superior provenances Liping Guizhou,Xuyong Sichuan and America A, were selected by synthetic evaluation. The selected provenances' genetic increments of DBH, H and stem volume were 19.56%, 6.60% and 35.36% respectively. Six superior individuals were selected out by comprehensive appraisal,whose average DBH,H and stem volume were 30.4 cm,15.17 m and 0.5230 m³ respectively, and exceeded the population means of 22.09%,14.47% and 66.63% respectively. This study provided the material conditions and theoretical basis for the cultivation and popularization of Liriodendron in Sichuan region.