[1]陈毅琼,刘玉林,杨途熙,等. 杏16个主要农艺性状的多元统计分析[J].西北林学院学报,2015,30(05):151-156.[doi:doi:10.3969/j.issn.1001-7461.2015.05.24]
　CHEN Yi-qiong,LIU Yu-lin,YANG Tu-xi,et al. Multivariate Statistical Analysis for Sixteen Main Agronomic Traits of Apricots[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2015,30(05):151-156.[doi:doi:10.3969/j.issn.1001-7461.2015.05.24]
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 杏16个主要农艺性状的多元统计分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第30卷
期数:
2015年05期
页码:
151-156
栏目:
出版日期:
2015-09-30

文章信息/Info

Title:
 Multivariate Statistical Analysis for Sixteen Main Agronomic Traits of Apricots
文章编号:
1001-7461(2015)05-0151-06
作者:
 陈毅琼; 刘玉林; 杨途熙; 魏浩华; 魏安智*
 （西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 CHEN Yi-qiong;  LIU Yu-lin;  YANG Tu-xi;  WEI Hao-hua;  WEI An-zhi*
 (College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
 ; 杏; 农艺性状; 相关性分析; 主成分分析; 聚类分析
Keywords:
 ; apricot;  agronomic traits;  correlation analysis;  principal component analysis;  clustering analysis
分类号:
S662.8
DOI:
doi:10.3969/j.issn.1001-7461.2015.05.24
文献标志码:
A
摘要:
 研究选取具有代表性的17份杏品种，应用相关性分析、主成分分析与Q型聚类分析对杏的16项主要农艺性状进行多元统计研究。结果表明，提出的5个反映杏主要农艺性状的主成分，累积方差贡献率达到87.17%。果实产量与叶长、叶宽呈极显著和显著正相关，而果实单果重与出核率之间呈极显著负相关。通过聚类分析将17个杏品种分为3组，第1组包括10个品种，核仁干重和出核率均值最高，但冠幅、树高和地径最小；第2组冠幅、树高、地径及单果果重最大；第3组叶长、叶宽、果实产量和出仁率最高。研究结果为杏品种的栽培与选育提供了数据参考。
Abstract:
 Multivariate statistical analysis, such as correlation, Q-type clustering and principal component analysis was adopted to study 16 main agronomic traits of 17 apricot varieties to provide basic data for breeding and fine variety selection. Five principal components were put forward to reflect 16 main agronomic traits of apricots with the cumulative variance contribution of 87.17%. Highly significant positive and significant positive correlations were observed between fruit yields and leaf length and leaf width, respectively, and highly significant negative correlations between single fruit weight and stone rate. Seventeen varieties were classified into three groups by clustering analysis. The first group included 10 varieties, which exhibited the highest mean value of dry weight of kernels and the rate of outputting of cores, but smallest crown diameter, tree height and ground diameter. The second group demonstrated the largest crown diameter, tree height, ground diameter and weight of single fruit. And the third group was characterized by their longest leaf length and width, high fruit yield and the highest rate of outputting of kernels. These results would provide reference data for cultivation and breeding of apricots.

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备注/Memo

备注/Memo:
 收稿日期：2014-11-11修回日期：2015-03-10
基金项目：国家科技支撑计划子课题“仁用杏低产林改造技术集成与示范”（2013BAD14B0202）。
作者简介：陈毅琼，女，在读硕士，研究方向：森林培育。E-mail：cyqq017@126.com
*通信作者：魏安智，男，教授，博士生导师，研究方向：森林培育与林木遗传育种。E-mail： weianzhi@126.com
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