[1]刘毅,唐德瑞,何佳林*,等.陕西银杏主要栽培品种的数量分类研究[J].西北林学院学报,2006,21(06):100.
 LIU Yi,TANG Derui,HE Jialin,et al.Studies on Numeric Taxonomy of Main Cultivars of Ginkgo biloba in Shaanxi Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(06):100.
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陕西银杏主要栽培品种的数量分类研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年06期
页码:
100
栏目:
林木繁育与栽培
出版日期:
2006-12-30

文章信息/Info

Title:
Studies on Numeric Taxonomy of Main Cultivars of Ginkgo biloba in Shaanxi Province
作者:
刘毅唐德瑞何佳林*史小华
西北农林科技大学 林学院, 陕西 杨陵 712100
Author(s):
LIU YiTANG DeruiHE JialinSHI Xiaohua
College of Forestry Northwest A & F University,Yangling, Shaanxi 712100,China
关键词:
银杏聚类分析主成分分析数量分类
Keywords:
Ginkgo biloba cluster analysis principal component analysis numeric taxonomy
分类号:
S718.512.3
文献标志码:
A
摘要:
以36个陕西银杏主要栽培品种作为分类运算单位,选用20个形态性状进行聚类分析和主成分分析。结果表明,数量分类能基本反映银杏品种间的遗传差异,与传统分类法基本吻合。Q型聚类可按照植株形态特征将36个品种分为5类,其中第1类(马铃3号、泰山3号)可作优良的叶用银杏栽培品种,第4类(陕引15号)和第3类(陕引10号、C9468、陕引2号)适合做观赏绿化用;主成分分析可将原20个性状综合成7个主成分,其累积贡献率可以达到85%以上,其中叶大小(包括叶长、叶宽、叶面积)、叶形态(包括叶形指数、叶色、叶重、叶厚)为第一、二主成分,将叶形态和叶大小作为银杏品种分类的主要分类标准是可行的。
Abstract:
This paper presented cluster analysis and PCA of 20 charaters in 36 main cultivars of Ginkgo biloba in Shaanxi Province. The principal component analysis showed that the numeric taxonomy basically revealed the heritable differences among the varieties,which was the same as traditional analysis and tallies with actual situation. Q cluster analysis revealed that 36 main cultivars were classified into 5 groups based on the characteristics of plant.The 1st group(Maling3,Taishan3)can be planted as eminent leafused Ginkgo biloba variety. The 4th (Shanyin15) and 3rd (Shanyin10,C9468,Shanyin2) can be planted as eminent ornamentalones.20 characters were integrated into 7 principal components and their accumulative contribution rates came up to 85%.The size of leaves(including leaflength,width and area) and the characteristics of leaves(including index of leaflength,color,weight and thickness) were the first and second principal components. The size and the characteristics of leaves can be used as main criteria for classification.

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备注/Memo

备注/Memo:
收稿日期:20060410修回日期:20060523基金项目:西北农林科技大学育种专项“银杏种质资源研究”(05YZ0382)作者简介:刘毅(1982),男,陕西渭南人,在读硕士,主要从事森林培育学研究。*通讯作者:何佳林(1968),男,副研究员,博士,主要从事经济林研究。
更新日期/Last Update: 2010-05-04