CHEN Lin-lin,WU Rui-jiao,LI Guang-wei,et al.The Variability Analysis of Malus Mill.Taxonomic Character From Different Population[J].Northern Horticulture,2014,38(13):6-10.
苹果属植物不同居群分类性状的变异性分析
- Title:
- The Variability Analysis of Malus Mill.Taxonomic Character From Different Population
- 文章编号:
- 1001-0009(2014)13-0006-05
- Keywords:
- Malus Mill.; natural populations; characters; dendrogram of cluster analysis; the principal component
- 分类号:
- S 661.1
- 文献标志码:
- A
- 摘要:
- 以观测的16个苹果属野外居群（含盖了12个分类群）果实和叶的28个数量性状为研究对象，采用散点图、系统聚类法、主成分分析等方法评估了各性状对苹果属分类的重要性，以期筛选出合适的性状来判断不同种之间的亲缘关系。结果表明：同一物种的居群内差异性小于居群间的差异性，支持将锡金海棠、三叶海棠划分为山荆子组，稻城海棠应归入花楸海棠组，筛选出8个性状作为苹果属分类的主要分类依据。
- Abstract:
- Twenty-eight characters of leaves and fruits were observed from sixteen wild populations of Malus Mill.(involved twelve taxa).The scatter plots，the dendrogram of cluster analysis and the principal component were performed for data processing，to assess the importance of character，and pick up the proper characters to determine the relationship between different taxa.The results showed that in a same species，the character diversity inner population was smaller than that of inter populations.The results supported to put M.sikkimensis and M.toringo into the Sect.Gymnomeles Koehne and M.daochenensis C.L.Li should be a member of Sect.Sorbomalus Zabel instead of Sect.Gymnomeles Koehne.Eight characters were important for the classification the genus Malus.
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备注/Memo
第一作者简介：陈琳琳（1988-），女，硕士研究生，研究方向为植物分类学。Email：chenlin1022@163.com.