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首页> 外文期刊>Plant Systematics and Evolution >Genetic diversity and relationship of clonal tea (Camellia sinensis) cultivars in China as revealed by SSR markers.
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Genetic diversity and relationship of clonal tea (Camellia sinensis) cultivars in China as revealed by SSR markers.

机译：SSR标记揭示中国克隆茶品种的遗传多样性及亲缘关系。

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Tea plant [Camellia sinensis ((L.) O.Kuntze)] is one of the most popular non-alcoholic beverage crops in the world today. In recent years, many clonal tea cultivars have been developed and widely planted to replace the diverse traditional tea populations. In this article, we study the relationships between classifications based on simple sequence repeat (SSR) markers and on morphological traits for 185 tea plant cultivars. Results show that the genetic diversity index (H) is between 0.229 and 0.803, and the mean value is 0.543; the observed heterozygosity (Ho) ranges from 0.103 to 0.683, with an average of 0.340, while the genetic identity varies from 0.267 to 0.984. Based on tea-making properties, the genetic diversity in the "black-green tea" group is much higher than in the "Oolong tea" group. Based on morphological traits, cluster analysis classifies the 185 cultivars into three groups, "group I," "group II" and "group III." Most cultivars are related based on the geographical origin and their genetic backgrounds.
机译：茶树[（（L.）O.Kuntze）]是当今世界上最受欢迎的非酒精饮料作物之一。近年来，已经开发出许多克隆茶品种并广泛种植，以取代多样化的传统茶种群。在本文中，我们研究了基于简单序列重复（SSR）标记的分类与185个茶树品种的形态性状之间的关系。结果表明，遗传多样性指数 H 在0.229至0.803之间，平均值为0.543;观察到的杂合度（ H o ）范围为0.103至0.683，平均值为0.340，而遗传同一性则为0.267至0.984。基于茶的特性，“黑绿茶”组的遗传多样性远高于“乌龙茶”组。基于形态特征，聚类分析将185个品种分为三类，即“ I组”，“ II组”和“ III组”。大多数品种根据地理起源及其遗传背景而相关。

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