MA Jinjian,LI Ning,ZHANG Shujuan,et al.Diversity Analysis of Non-heading Chinese Cabbage Based on Seeding Phenotypic Traits[J].Northern Horticulture,2015,39(17):21-24.[doi:10.11937/bfyy.201517006]
小白菜种质资源苗期表型性状的多样性分析
- Title:
- Diversity Analysis of Non-heading Chinese Cabbage Based on Seeding Phenotypic Traits
- Keywords:
- non-heading Chinese cabbage; germplasm; phenotypic character; cluster analysis; principal components analysis
- 文献标志码:
- A
- 摘要:
- 以50份小白菜种质为研究对象，利用12个数量性状和8个质量性状分析资源遗传多样性。结果表明：苗期12个数量性状的变异系数为20.69%～71.68%，平均值为34.30%，其中单株重的变异系数最大，叶宽的变异系数最小。经主成分分析，将20个性状综合为4个主要成分，其累计贡献率达80.092%，以植株大小和产量相关的性状贡献率最高，达到57.257%。聚类分析将50份材料划分为3个类群。
- Abstract:
- The genetic diversity was studied on 50 kinds of non-heading Chinese cabbage germplasms based on 12 quantitative characters and 8 qualitative characters.The results showed that the variable coefficient of 12 quantitative traits was among 20.69%-71.68%，and the average value was 34.30%.The widest variation was found in plant weight which had a coefficient of variance 71.68%，leaf width was the smallest.The principle analysis showed that 20 characters were integrated into 4 principle components and their additive contributing rate came up to 80.092%，especially the yield factor(57.257%).By cluster analysis，50 materials were clustered into 3 groups.
参考文献/References:
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备注/Memo
第一作者简介：马金健（1990-），男，硕士研究生，研究方向为蔬菜种质资源创新及分子育种。E-mail:15909293714@163.com.责任作者：惠麦侠（1968-），女，博士，副教授，研究方向为蔬菜种质资源创新及分子育种。E-mail：huimaixia@nwsuaf.edu.cn.基金项目：国家自然科学基金资助项目（31272164,31372062）；西安市科技计划资助项目（NC1204）；唐仲英育种专项资助项目。