文献类型： 外文期刊
作者： Fang, Zhiqiang 1 ; Lu, Zhanhua 1 ; Wang, Shiguang 1 ; Liu, Wei 1 ; Lu, Dongbai 1 ; Wang, Xiaofei 1 ; He, Xiuying 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Rice Res Inst, Guangdong Prov Key Lab New Technol Rice Breeding, Guangdong Rice Engn Lab, Guangzhou, Peoples R China
2.Guangdong Acad Agr Sci, Rice Res Inst, Guangzhou 510640, Peoples R China
关键词： Rice quality; RVA profile; Amylose Content; Cluster analysis
期刊名称：JOURNAL OF APPLIED BOTANY AND FOOD QUALITY （ 影响因子：1.483； 五年影响因子：1.818 ）
ISSN： 1439-040X
年卷期： 2022 年 95 卷
页码：
收录情况： SCI
摘要： Rice quality is a comprehensive quantitative trait greatly influenced by heredity and environment. Here, 11 rice quality traits and Rapid Visco-Analyser (RVA) profiles of 30 indica rice germplasms were detected and analyzed. In addition, we used grain size genes and starch synthesis gene Wx to detect the rice quality genotypes of rice. The results showed different degrees of correlation among rice quality traits. In addition, principal component analysis (PCA) divided rice quality traits into four principal components, and the cumulative contribution rate reached 82.478%. Cluster analysis divided 30 rice varieties into five categories. The first four types had better rice quality. Identification of rice quality genes indicated that most of the genotypes were GS3, GS9, GW5, GW8 and Wx(b), and a few were GW7 and Wx(a). Identifying rice quality characteristics and genotypes of rice varieties may lay a theoretical foundation for promoting the cultivation of new rice varieties, enabling breeders and researchers to develop better rice varieties.
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