ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
Genetic analysis and mapping of adult plant resistance loci to leaf rust in durum wheat cultivar Bairds.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 24 citations in OpenAlex.
- Fine-mapping of LrN3B on wheat chromosome arm 3BS, one of the two complementary genes for adult-plant leaf rust resistance.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Physiological specialization of Puccinia triticina and genome-wide association mapping provide insights into the genetics of wheat leaf rust resistance in Iran.Scientific reports · 2023Article
- Mapping and characterization of a novel adult-plant leaf rust resistance gene LrYang16G216 via bulked segregant analysis and conventional linkage method.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Stripe rust and leaf rust resistance in CIMMYT wheat line "Mucuy" is conferred by combinations of race-specific and adult-plant resistance loci.Frontiers in plant science · 2022Article
- Identification and Characterization of Resistance Loci to Wheat Leaf Rust and Stripe Rust in Afghan Landrace "KU3067".Frontiers in plant science · 2022Article
- Genome-wide association mapping of leaf rust and stripe rust resistance in wheat accessions using the 90K SNP array.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- From Genetic Maps to QTL Cloning: An Overview for Durum Wheat.Plants (Basel, Switzerland) · 2021Review
- A durum wheat adult plant stripe rust resistance QTL and its relationship with the bread wheat Yr80 locus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Investigation and genome-wide association study for Fusarium crown rot resistance in Chinese common wheat.BMC plant biology · 2019Article
- Mapping of Genetic Loci Conferring Resistance to Leaf Rust From Three Globally Resistant Durum Wheat Sources.Frontiers in plant science · 2019Article
- A High-Density Integrated DArTseq SNP-Based Genetic Map ofFrontiers in plant science · 2018Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageNew leaf rust adult plant resistance (APR) QTL QLr.cim - 6BL was mapped and confirmed the known pleotropic APR gene Lr46 effect on leaf rust in durum wheat line Bairds. CIMMYT-derived durum wheat line Bairds displays an adequate level of adult plant resistance (APR) to leaf rust in Mexican field environments. A recombinant inbred line (RIL) population developed from a cross of Bairds with susceptible parent Atred#1 was phenotyped for leaf rust response at Ciudad Obregon, Mexico, during 2013, 2014, 2015 and 2016 under artificially created epidemics of Puccinia triticina (Pt) race BBG/BP. The RIL population and its parents were genotyped with the 50 K diversity arrays technology (DArT) sequence system and simple sequence repeat (SSR) markers. A genetic map comprising 1150 markers was used to map the resistance loci. Four significant quantitative trait loci (QTLs) were detected on chromosomes 1BL, 2BC (centromere region), 5BL and 6BL. These QTLs, named Lr46, QLr.cim-2BC, QLr.cim-5BL and QLr.cim-6BL, respectively, explained 13.5-60.8%, 9.0-14.3%, 2.8-13.9%, and 11.6-29.4%, respectively, of leaf rust severity variation by the inclusive composite interval mapping method. All of these resistance loci were contributed by the resistant parent Bairds, except for QLr.cim-2BC, which came from susceptible parent Atred#1. Among these, the QTL on chromosome 1BL was the known pleiotropic APR gene Lr46, whereas QLr.cim-6BL, a consistently detected locus, should be a new leaf rust resistance locus in durum wheat. The mean leaf rust severity of RILs carrying all four QTLs ranged from 8.0 to 17.5%, whereas it ranged from 10.9 to 38.5% for three QTLs (Lr46 + 5BL + 6BL) derived from the resistant parent Bairds. Two RILs with four QTLs combinations can be used as sources of complex APR in durum wheat breeding.
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