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

文献类型： 外文期刊

作者： Cao, Guangping 1 ; Yan, XiaoWei 1 ; Zhai, Linan 1 ; Xu, Jing 1 ; Tang, Liqiong 1 ; Zhu, Honglin 1 ; Lin, Li 1 ; Zhao, Mingchao 1 ; Xiao, Xiaorong 1 ; Li, Yapeng 1 ; Wang, Qingyu 1 ; Tang, Qingjie 1 ;

作者机构： 1.Hainan Acad Agr Sci, Inst Food Crops, Hainan Key Lab Crop Genet & Breeding, Haikou, Peoples R China

2.Hainan Acad Agr Sci, Sanya Inst, Sanya, Peoples R China

关键词： crop breeding; germplasm resource conservation; local food crop

期刊名称：PLANT GENETIC RESOURCES-CHARACTERIZATION AND UTILIZATION （ 影响因子：0.7； 五年影响因子：1.0 ）

ISSN： 1479-2621

年卷期： 2025 年

页码：

收录情况： SCI

摘要： 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.

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