[1]王宁,牛立新,张延龙,等.元宝枫天然居群表型多样性研究[J].北方园艺,2019,43(08):90-96.[doi:10.11937/bfyy.20183634]
　(College of Landscape Architecture and Arts,Northwest A&F University,Yangling,et al.Phenotypic Diversity of Acer truncatum Natural Populations in China[J].Northern Horticulture,2019,43(08):90-96.[doi:10.11937/bfyy.20183634]
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元宝枫天然居群表型多样性研究

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 43卷 期数: 2019年08 页码: 90-96 栏目: 出版日期: 2019-04-30
Title:
Phenotypic Diversity of Acer truncatum Natural Populations in China
作者:
王宁; 牛立新; 张延龙; 白章振; 谢力行; 闫振国
（西北农林科技大学 风景园林艺术学院，陕西 杨凌 712100）
Author(s):
(College of Landscape Architecture and Arts; Northwest A&F University; Yangling; Shaanxi 712100)
Acer truncatum；natural populations;phenotypic diversity
关键词:
元宝枫; 天然居群; 表型多样性
Keywords:
Acer truncatum; natural populations; phenotypic diversity
DOI:
10.11937/bfyy.20183634
文献标志码:
A
摘要:
以10个具有代表性的元宝枫天然居群的叶片、果实、种子为试验材料，采用相关性分析、聚类分析、主成分分析等方法，研究了群体间和群体内的表型多样性，以期揭示元宝枫表型变异程度与变异规律。结果表明：10个种源元宝枫居群间表型性状的变异系数在4.65%~40.34%，其中果实张开角变异幅度最大，而着生痕稳定性最高。主成分分析表明，元宝枫居群表型多样性来源依次为果实贡献率>叶片贡献率>种子贡献率。表型性状相关性表明，果实和种子之间的关系密切，而叶片相关性状与种实之间相关性不显著。不同种源元宝枫表型性状与各地地理生态因子分析表明，经纬度对元宝枫种实及其相关性状影响较大，而叶片相关性状受年均温的影响更加明显。聚类分析将元宝枫10个居群分为4类，各居群并未完全依照地理距离而聚类。
Abstract:
The leaves,fruits and seeds of ten natural populations of A.truncatum in China were selected as experimental materials,and using correlation analysis,cluster analysis and principal component analysis to analyze the phenotypic diversity of A.truncatum populations and their spatial patterns.In order to determine phenotypic variation of A.truncatum populations.The results showed that,the variation coefficient(CV)of phenotype traits of ten A.truncatum areas ranged from 4.65% to 40.34%，and the fruit opening angle(OA) had the largest variation,while bears the mark(BTM) was the most stable traits.Principal component analysis showed that the main variation sources of A.truncatum was fruit>leaf>seed.Correlation analysis of the phenotypic traits revealed that the relationship between fruit and seed was close,and the correlation between leaf-related traits and seeding was not significant.The correlation analysis between geo-ecological factors and phenotypic traits showed that the latitude and longitude had significant effect on fruits and seeds,and the average annual temperature had significantly impact on leaf.The 10 populations of A. truncatum clustered into four groups according to cluster analysis,which did not strictly classify with the geography distance.

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备注/Memo

第一作者简介：王宁（1993-），男，硕士研究生，研究方向为园林植物种质资源调查。E-mail：452534909@qq.com.责任作者：牛立新（1963-），男，博士，教授，博士生导师，现主要从事油用牡丹新品种选育教学与科研等工作。E-mail：niulixin@nwafu.edu.cn.基金项目：陕西省林业厅资助项目（20170313000005）。收稿日期：2019-01-15

更新日期/Last Update: 2019-06-03