ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2023
Two major quantitative trait loci control wheat dwarf virus resistance in four related winter wheat populations.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Allelic differences within DNA polymerase delta subunit 1 correlate with geminivirus resistance in diverse plants.G3 (Bethesda, Md.) · 2025Article
- The Past, Present, and Future of Wheat Dwarf Virus Management-A Review.Plants (Basel, Switzerland) · 2023Review
- Identification of Markers Associated with Wheat Dwarf Virus (WDV) Tolerance/Resistance in Barley (Viruses · 2023Article
- Wheat Dwarf Virus as a Modulator of Multi-Stress Responses in Wheat.Physiologia plantarumReview
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
key messageQwdv.ifa-6A on chromosomes 6AL and Qwdv.ifa-1B on chromosome 1B are highly effective against wheat dwarf virus and act additively when combined. Wheat dwarf virus (WDV) is among the most damaging viral pathogens. Its prevalence has increased substantially in recent years, and it is predicted to increase even further due to global warming. There are limited options to control the virus. Growing resistant cultivars would safeguard crops, but most current wheat cultivars are highly susceptible. Thus, the aim of this study was to dissect the genetic architecture of WDV resistance in resistant germplasm and to identify quantitative trait loci (QTL) to support resistance breeding. QTL mapping was conducted using four related populations comprising 168, 105, 99 and 130 recombinant inbred lines. Populations were evaluated under field conditions for three years. Natural infestation was provoked by early autumn sowing. WDV symptom severity was visually assessed at two time points in spring. QTL analysis revealed two highly significant QTL with the major QTL Qwdv.ifa-6A mapping to the long arm of chromosome 6A between markers Tdurum_contig75700_411 (601,412,152 bp) and AX-95197581 (605,868,853 bp). Qwdv.ifa-6A descends from the Dutch experimental line SVP-72017 and was of high effect in all populations, explaining up to 73.9% of the phenotypic variance. The second QTL, Qwdv.ifa-1B, mapped to chromosome 1B and is putatively associated with the 1RS.1BL translocation, which was contributed by the CIMMYT line CM-82036. Qwdv.ifa-1B explained up to 15.8% of the phenotypic variance. Qwdv.ifa-6A and Qwdv.ifa-1B are among the first identified highly effective resistance QTL and represent valuable resources for improving WDV resistance in wheat.
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