68份紫肉甘薯品种资源花青苷组分分析与评价
作者:
作者单位:

1.江苏徐淮地区徐州农业科学研究所;2.中国矿业大学化工学院;3.江苏师范大学江苏省药用植物生物技术重点实验室

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基金项目:

国家重点研发计划(2018YFD1000705,2018YFD1000700);现代农业产业技术体系专项资金资助(CARS-10-B1);江苏省根茎类作物种质资源库(JSGB2018-03);自治区优秀青年科技人才培养项目(2018Q41);徐州市科技项目(KC19243)


Evaluation and Analysis of Anthocyanin Components of 68 Purple-Fleshed Sweetpotato Accessions
Author:
Affiliation:

1.Xuzhou Institute of Agricultural Sciences in Xuhuai Region of Jiangsu;2.School of Chemical Engineering and Technology,China University of Mining and Technology;3.Key Laboratory of Biotechnology for Medicinal Plant of Jiangsu Province,Jiangsu Normal University

Fund Project:

National Key R&D Program of China (2018YFD1000705, 2018YFD1000700); Earmarked Fund for China Agriculture Research System (CARS-10-B1); Jiangsu Root & Tuber Crop germplasm resource Genebank Fund (JSGB2018-03); Excellent Young Scientific and Technological Talents Training Project of Autonomous Region (2018Q41); Xuzhou Science and Technology Project (KC19243)

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    摘要:

    为了解紫肉甘薯中的花青苷组分构成及其多样性分布,以来自国内外多家培育单位的68份紫肉甘薯品种资源为试验材料,利用液质联用技术测定了6类共计68种花青苷的含量。结果表明,6类花青苷中,矢车菊类和芍药类花青苷的含量较高,分布范围较广,天竺葵类花青苷的含量整体最低,分布范围最狭窄。相关性分析结果表明,检测到花青苷的总含量和矢车菊类、芍药类及矮牵牛类花青苷的含量均呈极显著正相关。系统聚类分析结果表明,68份紫肉甘薯品种资源被聚为6个类群,其中第II类群6类花青苷的含量均较高,第IV类群各类花青苷的含量均较低。68种花青苷在68份紫肉甘薯品种中的检出情况表明,有8种花青苷能够在全部的紫肉甘薯品种中检出,9种分别只能在43、12、12、44、48、44、47和47份材料中检出。68种花青苷含量的相关性分析结果表明,每类花青苷中均有几种花青苷的含量相等或呈极显著正相关。本研究通过对紫肉甘薯品种资源花青苷组分构成及多样性的分析与评价,筛选出6类花青苷含量较高的紫肉甘薯品种3份,单类花青苷含量较高的品种7份,为优质甘薯的推广和后续优质品种的选育提供了材料基础。

    Abstract:

    To understand the composition and diversity distribution of anthocyanins in purple-fleshed sweetpotato, 68 domestic and exotic purple-fleshed accessions were subjected for analyzing the contents of 68 anthocyanins in 6 categories using LC-MS. The results showed that in six categories of anthocyanins, cyanidin and peonidin had higher contents and wider distribution ranges, while pelargonidin had the lowest content and the narrowest overall distribution range. The significant positive correlation was detected between the total content of anthocyanins with the contents of cyanidin, peonidin and petunidin, respectively. Systematic cluster analysis showed that the 68 purple-flesh sweetpotato accessions were clustered into 6 groups, among which the contents of all 6 categories of anthocyanins were higher in group II and lower in group IV. Eight anthocyanins were detected in all purple-flesh sweetpotato varieties, whereas nine were detected in 43, 12, 12, 44, 48, 44, 47 and 47 varieties, respectively. Correlation analysis of the 68 anthocyanins showed that several anthocyanins in each category had equal contents or showed highly significant positive correlation. Collectively, this study evaluated the composition and diversity distribution of anthocyanins composition of purple-fleshed sweetpotato accessions, and identified three purple-fleshed sweetpotato varieties with high content of 6 categories of anthocyanins and 7 varieties with high content of single type of anthocyanin. These materials are valuable for the promotion of high-quality sweetpotato and the subsequent selection and breeding of high-quality varieties.

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赵凌霄,邓逸桐,衡曦彤,等.68份紫肉甘薯品种资源花青苷组分分析与评价[J].植物遗传资源学报,2021,22(4):1031-1041.

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  • 收稿日期:2021-02-22
  • 最后修改日期:2021-03-21
  • 录用日期:2021-04-01
  • 在线发布日期: 2021-07-08
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