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A survey and analysis of germplasm resources of food crops in Hainan Province

Published online by Cambridge University Press:  24 June 2025

Guangping Cao ,
XiaoWei Yan ,
Linan Zhai ,
Jing Xu ,
Liqiong Tang ,
Honglin Zhu ,
Li Lin ,
Mingchao Zhao ,
Xiaorong Xiao  and
Yapeng Li
...Show all authors
Guangping Cao
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
XiaoWei Yan
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya, China
Linan Zhai
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Jing Xu
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Liqiong Tang
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Honglin Zhu
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Li Lin
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Mingchao Zhao
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya, China
Xiaorong Xiao
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya, China
Yapeng Li
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya, China
Qingyu Wang
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China
Qingjie Tang*
Affiliation:
Institute of Food Crops, Hainan Academy of Agricultural Sciences/Hainan Key Laboratory of Crop Genetics and Breeding, Haikou, China Sanya Institute, Hainan Academy of Agricultural Sciences, Sanya, China
*
Corresponding author: Qingjie Tang; Email: tangqingjie@hnaas.org.cn
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Abstract

Germplasm resources are the foundation for improving crop varieties and a strategic asset for global food security. They also advance plant breeding, agricultural biotechnology and the production of essential agricultural goods. To assess the distribution, diversity and conservation status of food crop germplasm in the Hainan Province, China, we conducted a detailed survey of the Hainan Island. Between 2017 and 2022, we collected 330 food crop germplasm resources, encompassing 16 cereal crops, including rice, maize, sweet potato. The collected germplasm resources exhibited traits of high resistance to both biotic and abiotic stresses, including common diseases and drought stress, as well as superior quality and adaptability to poor soil conditions such as sandy land. However, challenges such as low productivity and hybrid degradation were identified. These resources were primarily found in Haikou City, Baisha County, Danzhou City, Wuzhishan City and Sanya City. Additionally, we collected several ancient local varieties and endangered germplasm resources such as ‘Jiezi rice’ and ‘Wuzhishan maize’. This study serves as a reference for the conservation, development and utilization of local food crop germplasm resources in Hainan Province and lays the foundation for breeding and developing new varieties.

Keywords

crop breedinggermplasm resource conservationlocal food crop

Information

Type
Research Article
Information
Plant Genetic Resources , Volume 23 , Issue 5 , October 2025 , pp. 382 - 390
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of National Institute of Agricultural Botany.

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Footnotes

‡

This article has been updated since its original publication. A notice detailing the changes can be found here: https://DOI.org/10.1017/S1479262125100130

*

Authors contributed equally to this work.

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