[1]赵洋,刘振,杨培迪,等.黄金茶种质资源生化成分的多样性分析[J].江苏农业学报,2021,(05):1285-1291.[doi:doi:10.3969/j.issn.1000-4440.2021.05.025]
　ZHAO Yang,LIU Zhen,YANG Pei-di,et al.Diversity analysis of biochemical components in Huangjincha (Camellia sinensis) germplasm resources[J].,2021,(05):1285-1291.[doi:doi:10.3969/j.issn.1000-4440.2021.05.025]
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黄金茶种质资源生化成分的多样性分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年05期
页码:
1285-1291
栏目:
园艺
出版日期:
2021-10-30

文章信息/Info

Title:
Diversity analysis of biochemical components in Huangjincha (Camellia sinensis) germplasm resources
作者:
赵洋; 刘振; 杨培迪; 宁静; 成杨; 杨阳
（湖南省茶叶研究所，湖南长沙410125）
Author(s):
ZHAO Yang; LIU Zhen; YANG Pei-di; NING Jing; CHENG Yang; YANG Yang
(Hunan Tea Research Institute, Changsha 410125， China）
关键词:
茶树; 种质资源; 遗传多样性; 生化成分; 主成分分析; 聚类分析
Keywords:
tea plant; germplasm resource; genetic diversity; biochemical component; principal component analysis; cluster analysis
分类号:
S571.132
DOI:
doi:10.3969/j.issn.1000-4440.2021.05.025
文献标志码:
A
摘要:
为了给黄金茶种质资源鉴定、评价和茶树品种选育提供数据和材料基础，对25份黄金茶种质资源的水浸出物、茶多酚、氨基酸、咖啡碱、茶氨酸等生化成分含量进行检测，结合聚类分析和主成分分析，对黄金茶种质资源主要生化成分统计参数的遗传多样性进行鉴定、评价。结果表明，黄金茶种质资源生化成分具有丰富的遗传多样性，平均遗传多样性指数为2.74，变异系数为5.73%～19.58%；基于生化成分，将25份种质资源分为Ⅰ、Ⅱ 2个类群，这2个类群在茶多酚含量、水浸出物含量和酚氨比上存在显著差异，Ⅰ类群茶多酚含量比Ⅱ类群高；主成分分析的前3个主成分代表了生化成分多样性92.67%的信息，第1主成分得分为正的资源被归为Ⅰ类群，得分为负的资源被归为Ⅱ类群。初步筛选出1份高氨基酸含量资源，3份高茶多酚含量资源。
Abstract:
In order to provide data and material basis for the identification and evaluation of Huangjincha germplasm resources and the breeding of tea varieties, the contents of water extracts， tea polyphenols， amino acid， caffeine and theanine of 25 Huangjincha germplasm resources were detected, then the principal component analysis and cluster analysis were performed on the test data. The results showed that there was abundant diversity in biochemical components of Huangjincha germplasm resources. The average genetic diversity index was 2.74. The coefficient of variation ranged from 5.73% to 19.58%. Based on the biochemical components, 25 germplasm resources were divided into two groups. There were significant differences between group Ⅰ and group Ⅱ in tea polyphenol content, water extract content and the ration of phenol/ammonia. The content of tea polyphenol in group Ⅰ was higher than that in group Ⅱ. In principal component analysis, the first three principal components represented 92.67% of the biochemical diversity. The resources with a positive score of the first principal component were classified as group Ⅰ, while the resources with a negative score were classified as group Ⅱ. One resource with high amino acid content and three resources with high tea polyphenol content were preliminarily screened out.

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备注/Memo

备注/Memo:
收稿日期：2021-02-07基金项目：国家自然科学基金项目（31800591）；湖南省自然科学基金项目（2017JJ3157）；国家现代农业技术体系建设专项（CARS-19）作者简介：赵洋（1979-），湖南长沙人，硕士，副研究员，主要从事茶树品种选育。（E-mail）m18002@126.com通讯作者：杨阳，（E-mail）yangyangsir@126.com
更新日期/Last Update: 2021-11-09