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QTL analysis related to rice appearance quality and rice food quality trait using high-density SNP genetic map

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Abstract

Rice is one of the major crops in the world. In the twenty-first century, due to the development and popularity of Japanese food culture, the consumption of rice increased dramatically not only in Asia but also in European and American countries. Thus, the demand for rice quality also increased, especially in terms of taste. In this study, the localization of Quantitative Trait Locus (QTL) related to qualities of rice appearance, taste, and palatability of cooked rice was performed in a recombinant inbred population of LD4 and Ha068142 by using high-density single nucleotide polymorphisms genetic map**. Fourteen QTLs (qFV-5–1, qFV-5 –2, qFV-10, qRAV.7, qRAV.9, qRTV.1, qPGWC.5-1, qPGWC.5-2, qPGWC.11, qGWC.11, qPC.1, qPC.7, qAC.1, qAC.5) related to qualities of rice appearance and taste were detected based on seven traits. Three QTLs (qFV-5–1, qFV-5–2, qFV-10) on chromosomes 5 and 10 were identified utilizing rice foodstuff value. Concurrently, the interaction effect between genes was also detected. The three QTLs can improve rice foodstuff value by 9.8 points. The findings of this study thus lay the foundation for the molecular breeding of rice with high-quality appearance and taste.

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Funding

Funding was provided by Heilongjiang Academy of Agricultural Sciences Outstanding youth project (2021JCQN001), National Rice Industry Technology System (CARS-01-57), Major Science and Technology Project of Heilongjiang Province (2020ZX16B01012), Scientific Research Operating Cost Program of Heilongjiang (CZKYF2022-1-013).

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Correspondence to Shichen Sun.

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The authors have not disclosed any competing interests.

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Communicated by Guosheng **ong.

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Cao, L., Ding, G., Lei, L. et al. QTL analysis related to rice appearance quality and rice food quality trait using high-density SNP genetic map. Plant Growth Regul 102, 461–470 (2024). https://doi.org/10.1007/s10725-023-01074-1

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  • DOI: https://doi.org/10.1007/s10725-023-01074-1

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