ArticleBMC genomics2020
Identification of QTLs conferring resistance to scald (Rhynchosporium commune) in the barley nested association mapping population HEB-25.
Article in BMC genomics, 2020. 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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Who cites it
10 citing papers in PubMed, 20 citations in OpenAlex.
- Genome-wide association analysis of resistance to scald in an adapted multiparent winter malting barley population.The plant genome · 2026Article
- Decoding the Genetic Basis of Salinity Tolerance at Germination and Seedling Traits in HEB-25 Barley NAM Population.Plants (Basel, Switzerland) · 2026Article
- Introgression of wild barley alleles improves seedlings salinity tolerance in the nested association mapping HEB-400 population.The plant genome · 2026Article
- Article
- An island of receptor-like genes at the Rrs13 locus on barley chromosome 6HS co-locate with three novel sources of scald resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Investigating the genetic control of plant development in spring barley under speed breeding conditions.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Review
- Wild barley (Hordeum spontaneum) and landraces (Hordeum vulgare) from Turkey contain an abundance of novel Rhynchosporium commune resistance loci.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Pyramiding of scald resistance genes in four spring barley MAGIC populations.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Footprints of Selection Derived From Temporal Heterozygosity Patterns in a Barley Nested Association Mapping Population.Frontiers in plant science · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundBarley scald, caused by the fungus Rhynchosporium commune, is distributed worldwide to all barley growing areas especially in cool and humid climates. Scald is an economically important leaf disease resulting in yield losses of up to 40%. To breed resistant cultivars the identification of quantitative trait loci (QTLs) conferring resistance to scald is necessary. Introgressing promising resistance alleles of wild barley is a way to broaden the genetic basis of scald resistance in cultivated barley. Here, we apply nested association mapping (NAM) to map resistance QTLs in the barley NAM population HEB-25, comprising 1420 lines in BC
resultsIn scald infection trials in the greenhouse variability of resistance across and within HEB-25 families was found. NAM based on 33,005 informative SNPs resulted in the identification of eight reliable QTLs for resistance against scald with most wild alleles increasing resistance as compared to cv. Barke. Three of them are located in the region of known resistance genes and two in the regions of QTLs, respectively. The most promising wild allele was found at Rrs17 in one specific wild donor. Also, novel QTLs with beneficial wild allele effects on scald resistance were detected.
conclusionsTo sum up, wild barley represents a rich resource for scald resistance. As the QTLs were linked to the physical map the identified candidate genes will facilitate cloning of the scald resistance genes. The closely linked flanking molecular markers can be used for marker-assisted selection of the respective resistance genes to integrate them in elite cultivars.
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