ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2020
Identification and validation of stable quantitative trait loci for grain filling rate in common wheat (Triticum aestivum L.).
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 18 citations in OpenAlex.
- Identification of a dominant stripe rust resistance gene YrXY on chromosome 6R in hexaploid triticale.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genetic dissection of grain morphology and yield components in a wheat line with defective grain filling.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Identification and Validation of Quantitative Trait Loci Mapping for Spike-Layer Uniformity in Wheat.International journal of molecular sciences · 2022Article
- Physical mapping of QTL associated with agronomic and end-use quality traits in spring wheat under conventional and organic management systems.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- QTL Mapping and Validation for Kernel Area and Circumference in Common WheatFrontiers in plant science · 2021Article
- Genome-Wide Association Study of Kernel Traits inFrontiers in genetics · 2021Article
- Multi-Locus Genome-Wide Association Study of Four Yield-Related Traits in Chinese Wheat Landraces.Frontiers in plant science · 2021Article
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Authors and funding
14 authors at 1 institution in 1 country.
Funding
Abstract
key messageWe identified and validated two stable grain filling rate (GFR) quantitative trait loci (QTL) in wheat that positively influenced several yield-related traits. Among them, QGfr.sicau-7D.1 was a novel GFR QTL. The grain filling rate (GFR) plays a crucial role in determining grain yield. To advance the current understanding of the genetic characteristics underlying the GFR in common wheat, three recombinant inbred line populations were used to map and validate GFR quantitative trait loci (QTL). Using a high-density genetic linkage map, 10 GFR QTL were detected. They were located on chromosomes 2D, 4A, 4B, 5B, 6D, 7A and 7D, explained 4.99-12.62% of the phenotypic variation. Two of them, QGfr.sicau-6D and QGfr.sicau-7D.1, were detected in all four environments tested and their genetic effect was validated by closely linked kompetitive allele specific PCR (KASP) markers in different genetic backgrounds. The effects of these two GFR QTL on other yield-related traits were also estimated. QGfr.sicau-6D had a significant positive influence (p < 0.01) on thousand kernel weight, kernel width, kernel volume, and kernel surface area. QGfr.sicau-7D.1 had a significant positive influence (p < 0.01) on thousand kernel weight and kernel length. Furthermore, QGfr.sicau-7D.1 was a completely novel QTL for GFR; several genes associated with grain growth and development were predicted in its physical interval. These results will facilitate molecular marker-assisted selection of wheat with high-confidence QTL for GFR and fine mapping of genes associated with GFR, thereby contributing to yield improvement.
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