| Summary: | The appearance quality of rice represent the primary concern of consumers when choosing rice, as well as a necessary condition for high-quality rice. In the past, the focus of attention on rice appearance quality was mainly on chalkiness, and most previous reviews on rice appearance quality focused on the chalky phenotype of rice, while some more generalized chalkiness as the only indicator of rice appearance quality. This paper objectively analyses the definitions and interrelationships of rice appearance quality indicators at the present stage. Then, the formation mechanism and research status of rice appearance quality were analyzed from three aspects: endosperm structure, genetic background, and endosperm material basis. The two indicators (chalkiness and transparency) were selected, having the greatest influence on appearance, as the starting point. On this basis, the problems in the current research on rice appearance quality were analyzed and relevant suggestions are put forward, aiming to provide a theoretical basis for the overall improvement of rice appearance quality under large-scale production conditions.
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