ArticleBMC plant biology2021
Mapping QTL for spike fertility and related traits in two doubled haploid wheat (Triticum aestivum L.) populations.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Two putatively novel loci associated with spike length and their breeding potential in Chinese endemic wheat.BMC genomics · 2026Article
- Genome-wide atlas of loci involved in chromosomal recombination in common wheat.BMC plant biology · 2024Article
- Genetic analysis of QTLs for lysine content in four maize DH populations.BMC genomics · 2024Article
- Characterization of a wheat stable QTL for spike length and its genetic effects on yield-related traits.BMC plant biology · 2024Article
- Efficient identification of QTL for agronomic traits in foxtail millet (Setaria italica) using RTM- and MLM-GWAS.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Potential gene editing targets for developing haploid inducer stocks in rice and wheat with high haploid induction frequency.3 Biotech · 2024Article
- Characterization and fine mapping analysis of a major stable QTL qKnps-4A for kernel number per spike in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- A high-resolution genotype-phenotype map identifies the TaSPL17 controlling grain number and size in wheat.Genome biology · 2023Article
- Genetic dissection of major QTL for grain number per spike on chromosomes 5A and 6A in bread wheat (Frontiers in plant science · 2023Article
- Genetic Dissection of Drought Tolerance of Elite Bread Wheat (Plants (Basel, Switzerland) · 2022Article
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5 authors.
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Abstract
backgroundIn breeding programs, the selection of cultivars with the highest yield potential consisted in the selection of the yield per se, which resulted in cultivars with higher grains per spike (GN) and occasionally increased grain weight (GW) (main numerical components of the yield). In this study, quantitative trait loci (QTL) for GW, GN and spike fertility traits related to GN determination were mapped using two doubled haploid (DH) populations (Baguette Premium 11 × BioINTA 2002 and Baguette 19 × BioINTA 2002).
resultsIn total 305 QTL were identified for 14 traits, out of which 12 QTL were identified in more than three environments and explained more than 10% of the phenotypic variation in at least one environment. Eight hotspot regions were detected on chromosomes 1A, 2B, 3A, 5A, 5B, 7A and 7B in which at least two major and stable QTL sheared confidence intervals. QTL on two of these regions (R5A.1 and R5A.2) have previously been described, but the other six regions are novel.
conclusionsBased on the pleiotropic analysis within a robust physiological model we conclude that two hotspot genomic regions (R5A.1 and R5A.2) together with the QGW.perg-6B are of high relevance to be used in marker assisted selection in order to improve the spike yield potential. All the QTL identified for the spike related traits are the first step to search for their candidate genes, which will allow their better manipulation in the future.
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