What question did this study set out to answer?

To identify genetic loci and candidate genes associated with primary yield-related agronomic traits in rice to facilitate molecular breeding.

September 17, 2026Frontiers in Plant ScienceOpen Access

Genome wide association mapping and haplotype analysis identify genetic loci and candidate genes associated with yield related traits in rice (Oryza sativa L.)

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Authors

NWNansheng WangAnhui Agricultural University MHMuhammad Ahmad HassanAnhui Agricultural University KLKang LiRice Research Institute

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Implication

Genome-wide association study uncovers 20 quantitative trait loci and candidate genes for yield traits in 265 rice accessions, highlighting genetic targets for breeding improvement.

Key Points

To identify genetic loci and candidate genes associated with primary yield-related agronomic traits in rice to facilitate molecular breeding.
Phenotyped 265 natural rice accessions over two consecutive growing seasons (2022–2023) at one field location for grain yield, seed setting rate, plant height, and thousand-grain weight.
Conducted genome-wide association mapping using a mixed linear model with best linear unbiased prediction (BLUP) values and 4,454,137 high-quality single nucleotide polymorphisms (SNPs).
Identified 102 significant SNPs that consolidated into 20 quantitative trait loci (QTLs): 5 for grain yield, 4 for seed setting rate, 10 for plant height, and 1 for thousand-grain weight.
Prioritized four candidate genes showing significant phenotypic variation across haplotypes: LOC_Os09g28230 (GID1L2) for grain yield, LOC_Os05g09500 for seed setting rate, LOC_Os03g06930 for plant height, and LOC_Os02g09170 for thousand-grain weight.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6aabb6445f706d05830e4ac2 https://doi.org/10.3389/fpls.2026.1909754

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Implication

Genome-wide association study uncovers 20 quantitative trait loci and candidate genes for yield traits in 265 rice accessions, highlighting genetic targets for breeding improvement.

Genome wide association mapping and haplotype analysis identify genetic loci and candidate genes associated with yield related traits in rice (Oryza sativa L.)

Discussion

Member takes

Implication

Key Points

Cite This Study

Genome wide association mapping and haplotype analysis identify genetic loci and candidate genes associated with yield related traits in rice (Oryza sativa L.)

Discussion

Member takes

Implication

Key Points

Cite This Study

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