ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
QTL mapping identifies a major locus for resistance in wheat to Sunn pest (Eurygaster integriceps) feeding at the vegetative growth stage.
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 10 papers.
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Who cites it
10 citing papers in PubMed.
- Plant resistance: scientific basis and latest research progress.Frontiers in plant science · 2026Review
- High-Density Genetic Map Construction and Quantitative Trait Locus Analysis of Fruit- and Oil-Related Traits inInternational journal of molecular sciences · 2024Article
- Molecular mechanisms, genetic mapping, and genome editing for insect pest resistance in field crops.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Review
- Genomics-assisted breeding for successful development of multiple-stress-tolerant, climate-smart rice for southern and southeastern Asia.The plant genome · 2021Article
- Genome-wide association analysis of chickpea germplasms differing for salinity tolerance based on DArTseq markers.PloS one · 2021Article
- Analyzing Sunn pest resistance in bread wheat genotypes using phenotypic characteristics and molecular markers.Physiology and molecular biology of plants : an international journal of functional plant biology · 2019Article
- Genetic Dissection of Snow Mold Tolerance in US Pacific Northwest Winter Wheat Through Genome-Wide Association Study and Genomic Selection.Frontiers in plant science · 2019Article
- Molecular Characterization of 87 Functional Genes in Wheat Diversity Panel and Their Association With Phenotypes Under Well-Watered and Water-Limited Conditions.Frontiers in plant science · 2019Article
- Accuracy assessment of plant height using an unmanned aerial vehicle for quantitative genomic analysis in bread wheat.Plant methods · 2019Article
- Development of SNP assays for hessian fly response genes, Hfr-1 and Hfr-2, for marker-assisted selection in wheat breeding.BMC genetics · 2018Article
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7 authors.
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Abstract
key messageThis research provides the first report of a major locus controlling wheat resistance to Sunn pest. It developed and validated SNP markers that will be useful for marker-assisted selection. Sunn pest (Eurygaster integriceps Puton) is the most destructive insect pest of bread wheat and durum wheat in West and Central Asia and East Europe. Breeding for resistance at the vegetative stage of growth is vital in reducing the damage caused by overwintered adult populations that feed on shoot and leaves of seedlings, and in reducing the next generation of pest populations (nymphs and adults), which can cause damage to grain quality by feeding on spikes. In the present study, two doubled haploid (DH) populations involving resistant landraces from Afghanistan were genotyped with the 90k SNP iSelect assay and candidate gene-based KASP markers. The DH lines and parents were phenotyped for resistance to Sunn pest feeding, using artificial infestation cages at Terbol station, in Lebanon, over three years. Quantitative trait locus (QTL) analysis identified a single major locus on chromosome 4BS in the two populations, with the resistance allele derived from the landrace accessions, IG139431 and IG139883. The QTL explained a maximum of 42 % of the phenotypic variation in the Cham6 × IG139431 and 56 % in the Cham6 × IG139883 populations. SNP markers closest to the QTL showed high similarity to rice genes that putatively encode proteins for defense response to herbivory and wounding. The markers were validated in a large, unrelated population of parental wheat genotypes. All wheat lines carrying the 'C-G' haplotype at the identified SNPs were resistant, suggesting that selection based on a haplotype of favourable alleles would be effective in predicting resistance status of unknown genotypes.
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