ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2021
Identification of eight QTL controlling multiple yield components in a German multi-parental wheat population, including Rht24, WAPO-A1, WAPO-B1 and genetic loci on chromosomes 5A and 6A.
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 14 papers.
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14 citing papers in PubMed, 23 citations in OpenAlex.
- Identification and Validation of Stable Loci Underlying Productivity-Related Traits in Common Wheat.International journal of molecular sciences · 2026Article
- Uncover the genetic basis of processing quality related traits in common wheat (Frontiers in plant science · 2026Article
- Leveraging trait and QTL covariates to improve genomic prediction of resistance to Fusarium head blight in Central European winter wheat.Frontiers in plant science · 2024Article
- Dissection and validation of a promising QTL controlling spikelet number on 5B in bread wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- WheatCENet: A Database for Comparative Co-expression Networks Analysis of Allohexaploid Wheat and Its Progenitors.Genomics, proteomics & bioinformatics · 2023Article
- Longer epidermal cells underlie a quantitative source of variation in wheat flag leaf size.The New phytologist · 2023Article
- Identification of stable QTL controlling multiple yield components in a durum × cultivated emmer wheat population under field and greenhouse conditions.G3 (Bethesda, Md.) · 2023Article
- Overexpression of the WAPO-A1 gene increases the number of spikelets per spike in bread wheat.Scientific reports · 2022Article
- Genetics of the Inverse Relationship between Grain Yield and Grain Protein Content in Common Wheat.Plants (Basel, Switzerland) · 2022Article
- Wheat glutamine synthetase TaGSr-4B is a candidate gene for a QTL of thousand grain weight on chromosome 4B.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Capturing Wheat Phenotypes at the Genome Level.Frontiers in plant science · 2022Review
- QTL mapping of yield components and kernel traits in wheat cultivars TAM 112 and Duster.Frontiers in plant science · 2022Article
- Yield-Related QTL Clusters and the Potential Candidate Genes in Two Wheat DH Populations.International journal of molecular sciences · 2021Article
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14 authors at 6 institutions in 5 countries.
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Abstract
key messageQuantitative trait locus (QTL) mapping of 15 yield component traits in a German multi-founder population identified eight QTL each controlling ≥2 phenotypes, including the genetic loci Rht24, WAPO-A1 and WAPO-B1. Grain yield in wheat (Triticum aestivum L.) is a polygenic trait representing the culmination of many developmental processes and their interactions with the environment. Toward maintaining genetic gains in yield potential, 'reductionist approaches' are commonly undertaken by which the genetic control of yield components, that collectively determine yield, are established. Here we use an eight-founder German multi-parental wheat population to investigate the genetic control and phenotypic trade-offs between 15 yield components. Increased grains per ear was significantly positively correlated with the number of fertile spikelets per ear and negatively correlated with the number of infertile spikelets. However, as increased grain number and fertile spikelet number per ear were significantly negatively correlated with thousand grain weight, sink strength limitations were evident. Genetic mapping identified 34 replicated quantitative trait loci (QTL) at two or more test environments, of which 24 resolved into eight loci each controlling two or more traits-termed here 'multi-trait QTL' (MT-QTL). These included MT-QTL associated with previously cloned genes controlling semi-dwarf plant stature, and with the genetic locus Reduced height 24 (Rht24) that further modulates plant height. Additionally, MT-QTL controlling spikelet number traits were located to chromosome 7A encompassing the gene WHEAT ORTHOLOG OF APO1 (WAPO-A1), and to its homoeologous location on chromosome 7B containing WAPO-B1. The genetic loci identified in this study, particularly those that potentially control multiple yield components, provide future opportunities for the targeted investigation of their underlying genes, gene networks and phenotypic trade-offs, in order to underpin further genetic gains in yield.
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