ArticleThe plant genome2025
Identification of leaf rust resistance loci in hard winter wheat using genome-wide association mapping.
Article in The plant genome, 2025. 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.
- Identification of septoria nodorum blotch susceptibility genes in hard winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Unlocking the potential of spring wheat genetic resources: uncovering resistance sources against leaf rust and yellow rust.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Novel genomic regions associated with adult-plant resistance to multiple fungal pathogens in wheat (Triticum aestivum L.) revealed by DArT marker sequencing.Journal of applied genetics · 2026Article
- Phenotypic evaluation of all-stage (ASR) and adult-plant resistance (APR) to leaf rust (Puccinia triticina Eriks) in an Iranian bread wheat germplasm.Scientific reports · 2026Article
- Dissecting multi-rust resistance in wheat through genome-wide association study, haplotype analysis, and marker validation.The plant genome · 2026Article
- Unveiling the genetic determinants of germination efficiency in common bermudagrass: A genome-wide association study.The plant genome · 2026Article
- Identification of stripe rust adult plant resistance genes in the hard winter wheat cultivar Baker's Ann.The plant genome · 2026Article
- Mapping novel yellow and leaf rust loci and predicting resistance in cross derived Canadian durum wheat.The plant genome · 2025Article
- Genome-wide association mapping for the identification of stripe rust resistance loci in US hard winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Identification of leaf rust resistance loci in hard winter wheat using genome-wide association mapping.The plant genome · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
Leaf rust, caused by Puccinia triticina (Pt), is a serious constraint to wheat production. Developing resistant varieties is the best approach to managing this disease. Wheat leaf rust resistance (Lr) genes have been classified into either all-stage resistance (ASR) or adult-plant resistance (APR). The objectives of this study were to identify sources of leaf rust resistance in contemporary US hard winter wheat (HWW) and to dissect the genetic basis underlying leaf rust resistance in HWW. A panel of 732 elite HWW genotypes was evaluated for response to US Pt races at the seedling stage and at the adult plant stage in leaf rust nurseries in Oklahoma, Texas, and Kansas. Further, the panel was genotyped using multiplex restriction amplicon sequencing (MRA-Seq) and DNA markers linked to the known ASR genes Lr18, Lr19, Lr21, Lr24, Lr37, and Lr42 and APR genes Lr34, Lr46, Lr67, Lr68, Lr77, and Lr78. Single nucleotide polymorphism (SNP) markers derived from MRA-Seq, DNA markers linked to the known Lr genes, and the phenotypic data were used for genome-wide association study (GWAS) to identify markers associated with leaf rust response. Gene postulation based on leaf rust reactions, DNA markers, and GWAS suggested the presence of Lr1, Lr2a, Lr10, Lr14a, Lr16, Lr18, Lr19, Lr21, Lr24, Lr26, Lr34, Lr37, Lr39, Lr42, Lr46, Lr68, Lr77, and Lr78 in the HWW panel. The GWAS identified 59 SNPs significantly associated with leaf rust response, of which 20 were likely associated with novel resistance loci and can be used to enhance wheat leaf rust resistance.
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