ReviewTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2022
Quick mapping and characterization of a co-located kernel length and thousand-kernel weight-related QTL in wheat.
Review in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 27 citations in OpenAlex.
- Genetic Mapping of thePlants (Basel, Switzerland) · 2026Article
- Identification of QTL for Grain Traits and Plant Height Using the Recombinant Inbred Line Population Derived from the Cross of Zhongke 331 × Nongda 399.International journal of molecular sciences · 2025Article
- A novel quantitative trait locus for barley yellow dwarf virus resistance and kernel traits on chromosome 2D of a wheat cultivar Jagger.The plant genome · 2025Article
- Physical map of QTL for eleven agronomic traits across fifteen environments, identification of related candidate genes, and development of KASP markers with emphasis on terminal heat stress tolerance in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- QTL Mapping of Yield-Related Traits in Tetraploid Wheat Based on Wheat55K SNP Array.Plants (Basel, Switzerland) · 2024Article
- Characterization of a wheat stable QTL for spike length and its genetic effects on yield-related traits.BMC plant biology · 2024Article
- A major QTL simultaneously increases the number of spikelets per spike and thousand-kernel weight in a wheat line.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Mapping QTL conferring flag leaf senescence in durum wheat cultivars.Molecular breeding : new strategies in plant improvement · 2023Article
- QTL Mapping for Important Agronomic Traits Using a Wheat55K SNP Array-Based Genetic Map in Tetraploid Wheat.Plants (Basel, Switzerland) · 2023Article
- QTL cluster analysis and marker development for kernel traits based on DArT markers in spring bread wheat (Frontiers in plant science · 2023Article
- High-Density Linkage Mapping of Agronomic Trait QTLs in Wheat under Water Deficit Condition using Genotyping by Sequencing (GBS).Plants (Basel, Switzerland) · 2022Article
- Identification and validation of a locus for wheat maximum root length independent of parental reproductive environment.Frontiers in plant science · 2022Article
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Authors and funding
19 authors at 1 institution in 1 country.
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Abstract
key messageA co-located KL and TKW-related QTL with no negative effect on PH and AD was rapidly identified using BSA and wheat 660 K SNP array. Its effect was validated in a panel of 218 wheat accessions. Kernel length (KL) and thousand-kernel weight (TKW) of wheat (Triticum aestivum L.) contribute significantly to kernel yield. In the present study, a recombinant inbred line (RIL) population derived from the cross between the wheat line S849-8 with larger kernels and more spikelets per spike and the line SY95-71 was developed. Further, of both the bulked segregant analysis (BSA) and the wheat 660 K single nucleotide polymorphism (SNP) array were used to rapidly identify genomic regions for kernel-related traits from this RIL population. Kompetitive Allele Specific PCR markers were further developed in the SNP-enriched region on the 2D chromosome to construct a genetic map. Both QKL.sicau-SSY-2D for KL and QTKW.sicau-SSY-2D for TKW were identified at multiple environments on chromosome arm 2DL. These two QTLs explained 9.68-23.02% and 6.73-18.32% of the phenotypic variation, respectively. The effects of this co-located QTL were successfully verified in a natural population consisting of 218 Sichuan wheat accessions. Interestingly, the major QTL was significantly and positively correlated with spike length, but did not negatively affect spikelet number per spike (SNS), plant height, or anthesis date. These results indicated that it is possible to synchronously improve kernel weight and SNS by using this QTL. Additionally, several genes associated with kernel development and filling rate were predicted and sequenced in the QTL-containing physical intervals of reference genomes of 'Chinese spring' and Aegilops tauschii. Collectively, these results provide a QTL with great breeding potential and its linked markers which should be helpful for fine mapping and molecular breeding.
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