Identification of Novel QTLs Associated with Frost Tolerance in Winter Wheat (Triticum aestivum L.)

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dc.contributor.authorBolouri, Parisa
dc.contributor.authorHaliloglu, Kamil
dc.contributor.authorMohammadi, Seyyed Abolghasem
dc.contributor.authorTurkoglu, Aras
dc.contributor.authorIlhan, Emre
dc.contributor.authorNiedbala, Gniewko
dc.contributor.authorSzulc, Piotr
dc.date.accessioned2024-02-23T14:35:20Z
dc.date.available2024-02-23T14:35:20Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractLow temperature (cold) and freezing stress is a major problem during winter wheat growth. Low temperature tolerance (LT) is an important agronomic trait in winter wheat and determines the plants' ability to cope with below-freezing temperatures; thus, the development of cold-tolerant cultivars has become a major goal of breeding in various regions of the world. In this study, we sought to identify quantitative trait loci (QTL) using molecular markers related to freezing tolerance in winter. Thirty-four polymorphic markers among 425 SSR markers were obtained for the population, including 180 inbred lines of F-12 generation wheat, derived from crosses (Norstar x Zagros) after testing with parents. LT50 is used as an effective selection criterion for identifying frost-tolerance genotypes. The progeny of individual F-12 plants were used to evaluate LT50. Several QTLs related to wheat yield, including heading time period, 1000-seed weight, and number of surviving plants after overwintering, were identified. Single-marker analysis illustrated that four SSR markers with a total of 25% phenotypic variance determination were linked to LT50. Related QTLs were located on chromosomes 4A, 2B, and 3B. Common QTLs identified in two cropping seasons based on agronomical traits were two QTLs for heading time period, one QTL for 1000-seed weight, and six QTLs for number of surviving plants after overwintering. The four markers identified linked to LT50 significantly affected both LT50 and yield-related traits simultaneously. This is the first report to identify a major-effect QTL related to frost tolerance on chromosome 4A by the marker XGWM160. It is possible that some QTLs are closely related to pleiotropic effects that control two or more traits simultaneously, and this feature can be used as a factor to select frost-resistant lines in plant breeding programs.en_US
dc.identifier.doi10.3390/plants12081641
dc.identifier.issn2223-7747
dc.identifier.issue8en_US
dc.identifier.pmid37111864en_US
dc.identifier.scopus2-s2.0-85156241035en_US
dc.identifier.urihttps://doi.org/10.3390/plants12081641
dc.identifier.urihttps://hdl.handle.net/20.500.12452/15953
dc.identifier.volume12en_US
dc.identifier.wosWOS:000978855900001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofPlants-Baselen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectWinter Wheaten_US
dc.subjectFrost Toleranceen_US
dc.subjectLt50en_US
dc.subjectChromosome 4aen_US
dc.subjectSsr Markeren_US
dc.subjectYield-Related Traitsen_US
dc.titleIdentification of Novel QTLs Associated with Frost Tolerance in Winter Wheat (Triticum aestivum L.)en_US
dc.typeArticleen_US

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