ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Identification and validation of two major QTLs for spike compactness and length in bread wheat (Triticum aestivum L.) showing pleiotropic effects on yield-related traits.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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28 citing papers in PubMed, 96 citations in OpenAlex.
- Two putatively novel loci associated with spike length and their breeding potential in Chinese endemic wheat.BMC genomics · 2026Article
- Molecular mapping of a novel non-canonical gibberellin-sensitive dwarfing gene Rht29 in wheat (Triticum aestivum).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Uncovering yield-related traits loci in Chinese wheat landraces using GWAS.Frontiers in plant science · 2026Article
- Identification and development of KASP markers for genetic loci controlling plant height in bread wheat and evaluation their effects using near isogenic lines.BMC plant biology · 2025Article
- QTL analysis of spike traits and KASP marker validation for basal sterile spikelet number in wheat.BMC plant biology · 2025Article
- QTL analysis in the Mianmai 902×Taichang 29 RIL population reveals the genetic basis for the high-yield of wheat cultivars Mianmai 902 in terms of spike and plant architecture.BMC plant biology · 2024Article
- Identification and validation of two quantitative trait loci showing pleiotropic effect on multiple grain-related traits in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Integrated meta-QTL and in silico transcriptome assessment pinpoint major genomic regions responsible for spike length in wheat (Triticum aestivum L.).The plant genome · 2024Article
- Review
- Alleles on locus chromosome 4B from different parents confer tiller number and the yield-associated traits in wheat.BMC plant biology · 2024Article
- Genome-wide association study and genomic selection of spike-related traits in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Characterization of a wheat stable QTL for spike length and its genetic effects on yield-related traits.BMC plant biology · 2024Article
- Cloning a novel reduced-height (Frontiers in plant science · 2024Article
- Molecular mapping and validation of quantitative trait loci for content of micronutrients in wheat grain.Frontiers in plant science · 2024Article
- Identification of molecular markers and candidate regions associated with grain number per spike in Pubing3228 using SLAF-BSA.Frontiers in plant science · 2024Article
- Two QTL regions for spike length showing pleiotropic effects on Fusarium head blight resistance and thousand-grain weight in bread wheat (Molecular breeding : new strategies in plant improvement · 2023Article
- Identification and validation of new quantitative trait loci for spike-related traits in two RIL populations.Molecular breeding : new strategies in plant improvement · 2023Review
- Genetic mapping and identification of Rht8-B1 that regulates plant height in wheat.BMC plant biology · 2023Article
- Genome-wide association analysis of spike and kernel traits in the U.S. hard winter wheat.The plant genome · 2023Article
- Identification and validation of plant height, spike length and spike compactness loci in common wheat (Triticum aestivum L.).BMC plant biology · 2022Article
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Authors and funding
16 authors at 3 institutions in 1 country.
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Abstract
key messageTwo major and stable QTLs for spike compactness and length were detected and validated in multiple genetic backgrounds and environments, and their pleiotropic effects on yield-related traits were analyzed. Spike compactness (SC) and length (SL) are greatly associated with wheat (Triticum aestivum L.) grain yield. To detect quantitative trait loci (QTL) associated with SC and SL, two biparental populations derived from crosses of Chuanmai42/Kechengmai1 and Chuanmai42/Chuannong16 were employed to perform QTL mapping in five environments. A total of 34 QTLs were identified, in which six major QTLs were repeatedly detected in more than four environments and the best linear unbiased prediction datasets, explaining 7.13-33.6% of phenotypic variation. These major QTLs were co-located in two genomic regions on chromosome 5A and 6A, namely QSc/Sl.cib-5A and QSc/Sl.cib-6A, respectively. By developing kompetitive allele-specific PCR (KASP) markers that linked to them, the two loci were validated in different genetic backgrounds, and their interactions were also analyzed. Comparison analysis showed that QSc/Sl.cib-5A was not Vrn-A1 and Q, and QSc/Sl.cib-6A was likely a new locus for SC and SL. Both QSc/Sl.cib-5A and QSc/Sl.cib-6A had pleiotropic effects on other yield-related traits including plant height, thousand grain weight and grain length. Therefore, the two loci combined with the developed KASP markers might be potentially applicable in wheat breeding. Furthermore, based on the spatiotemporal expression patterns, gene annotation, orthologous search and sequence differences, TraesCS5A01G301400 and TraesCS6A01G090300 were considered as potential candidates for QSc/Sl.cib-5A and QSc/Sl.cib-6A, respectively. These results provided valuable information for fine mapping and cloning of the two loci in the future.
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