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Genetic diversity and grain quality analysis of Yiyang Dahegu rice (YyDHG)

Published online by Cambridge University Press:  21 July 2025

Bingxin Meng Open the ORCID record for Bingxin Meng [Opens in a new window] ,
Jiaxiao Hu ,
Yan Yang ,
Wangzhong Hua ,
Hang Tu ,
Jin Liu ,
Huiying Zhou ,
Wenjing Luo ,
Maomao Li  and
Liqin Yu Open the ORCID record for Liqin Yu [Opens in a new window]
Bingxin Meng
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Jiaxiao Hu
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Yan Yang
Affiliation:
Jiangxi Agricultural Technology Promotion Center, Nanchang, China
Wangzhong Hua
Affiliation:
Yiyang County Agricultural and Rural Industrial Development Service Center, Yiyang County, China
Hang Tu
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Jin Liu
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Huiying Zhou
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Wenjing Luo
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Maomao Li
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
Liqin Yu*
Affiliation:
Jiangxi Academy of Agricultural Sciences, Rice Research Institute, Nanchang, China
*
Corresponding author: Liqin Yu; Email: Lqyu480@163.com
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Abstract

Yiyang Dahegu rice (YyDHG) is an important agricultural specialty of Yiyang County, Jiangxi Province, and it is also a significant component of the local cultural and economic development. In this experiment, 89 samples of Dahegu rice (DHG) were collected from Jiangxi Province, including 52 samples of YyDHG and 37 samples of DHG from other regions within Jiangxi Province (oDHG). Comprehensive analysis was conducted using polyacrylamide gel electrophoresis, field phenotypic observation, population structure analysis and quality analysis. The results of variety identification indicated that the 89 samples actually comprised 52 distinct varieties, including 19 varieties of YyDHG. Population analysis has revealed rich genetic diversity among DHG varieties within Jiangxi Province, yet no significant subpopulation differentiation was observed between YyDHG and oDHG. Quality experiments demonstrated that YyDHG exhibits significant differences in appearance quality from oDHG, but no notable differences in milling quality or cooked taste and flavour. This suggests that the competitiveness of YyDHG in the market may not entirely depend on its unique quality characteristics, but rather more on its cultural value and brand effect. This experiment conducted a comprehensive analysis of the variety characteristics, genetic diversity and quality traits of YyDHG. Not only does it provide a scientific basis for the breeding and germplasm resource conservation of YyDHG, but it also holds positive implications for promoting the development of its industry.

Keywords

genetic analysisquality analysisvariety identificationYiyang Dahegu rice (YyDHG)

Information

Type
Research Article
Information
Plant Genetic Resources , First View , pp. 1 - 7
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of National Institute of Agricultural Botany.

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