Population genetic insights into the conservation of common walnut (Juglans regia) in Central Asia

doi:10.1016/j.pld.2024.06.001

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	Population genetic insights into the conservation of common walnut (Juglans regia) in Central Asia
	Ye, Linjiang; Shavvon, Robabeh Shahi; Qi, Hailing; Wu, Hongyu; Fan, Pengzhen; Shalizi, Mohammad Nasir; Khurram, Safiullah; Davletbek, Mamadzhanov; Turuspekov, Yerlan; Liu, Jie
	2024
发表期刊	PLANT DIVERSITY
ISSN	2096-2703
卷号	46 期号:5 页码:600-610
摘要	The common walnut (Juglans regia) is one of the most economically important nut trees cultivated worldwide. Despite its importance, no comprehensive evaluation of walnut tree population genetics has been undertaken across the range where it originated, Central Asia. In this study, we investigated the genetic diversity and population structure of 1082 individuals from 46 populations across Central Asia. We found moderate genetic diversity of J. regia across Central Asia, with 46 populations clustered into three groups with a weak relationship between genetic and geographic distance. Our findings reveal that the western Himalaya might be the core region of common walnut genetic diversity in Central Asia and that, except for two populations in Gongliu Wild Walnut Valley, humans might have introduced walnut populations to Xinjiang, China. The observed distribution of the genetic landscape has probably been affected by historical climate fluctuation, breeding system, and prolonged anthropogenic activity. We propose the conservation of the core genetic diversity resources in the western Himalaya and pay special attention to populations from Gongliu in Xinjiang. These findings enhance our understanding of the genetic variation throughout the distribution range of J. regia in Central Asia, which will provide a key prerequisite for evidence-based conservation and management. Copyright (c) 2024 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd. This is an open access article under the CC BY- NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
DOI	10.1016/j.pld.2024.06.001
WOS记录号	WOS:001318244100001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/76042
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Ye, Linjiang,Shavvon, Robabeh Shahi,Qi, Hailing,et al. Population genetic insights into the conservation of common walnut (Juglans regia) in Central Asia[J]. PLANT DIVERSITY,2024,46(5):600-610.
APA	Ye, Linjiang.,Shavvon, Robabeh Shahi.,Qi, Hailing.,Wu, Hongyu.,Fan, Pengzhen.,...&Liu, Jie.(2024).Population genetic insights into the conservation of common walnut (Juglans regia) in Central Asia.PLANT DIVERSITY,46(5),600-610.
MLA	Ye, Linjiang,et al."Population genetic insights into the conservation of common walnut (Juglans regia) in Central Asia".PLANT DIVERSITY 46.5(2024):600-610.

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