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Novel Tetraploid Triticale (Einkorn Wheat × Rye)—A Source of Stem Rust Resistance

cris.virtual.author-orcid0000-0001-9442-3124
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cris.virtual.author-orcid0000-0002-2214-406X
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cris.virtualsource.author-orcid07a12041-d6ed-46a8-8dc3-df09345a7119
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dc.abstract.enAmong cereals, triticale (×Trititcoseale Wittmack ex A. Camus) represents a number of advantages such as high grain yield even in marginal environments, tolerance to drought, cold and acid soils, as well as lower production costs. Together with high biomass of grain and straw, triticale is also considered as an industrial energy crop. As an artificial hybrid, it has not evolved naturally, which is reflected in narrow genetic diversity causing a resistance collapse in recent years. Here, we describe a novel, synthetic tetraploid triticale, which was developed by the crossing of rye (Secale cereale L.) with einkorn wheat (Triticum monococcum spp. monococcum), which possess Sr35 stem rust resistance gene. Three subsequent generations of alloploids were obtained by chromosome doubling followed by self-pollination. The cytogenetic analyses revealed that the amphiploids possess a set of 28 chromosomes (14 of Am-genome and 14 of R-genome). The values of the most important yield-shaping traits for these tetraploid triticale form, including thousand-grain weight, plant height and stem length were higher compared to parental genotypes, as well as standard hexaploid triticale cultivars. This study shows that this tetraploid triticale genetic stock can be an interesting pre-breeding germplasm for triticale improvement or can be developed as a new alternative crop.
dc.affiliationWydział Rolnictwa, Ogrodnictwa i Biotechnologii
dc.affiliation.instituteKatedra Genetyki i Hodowli Roślin
dc.contributor.authorKwiatek, Michał Tomasz
dc.contributor.authorNoweiska, Aleksandra
dc.contributor.authorBobrowska, Roksana
dc.contributor.authorCzapiewska, Adrianna
dc.contributor.authorAygün, Mert
dc.contributor.authorMunyamahoro, Francois d’Assise
dc.contributor.authorMikołajczyk, Sylwia
dc.contributor.authorTomkowiak, Agnieszka
dc.contributor.authorKurasiak-Popowska, Danuta
dc.contributor.authorPoślednik, Paweł
dc.date.access2025-10-28
dc.date.accessioned2025-10-28T12:34:00Z
dc.date.available2025-10-28T12:34:00Z
dc.date.copyright2023-01-07
dc.date.issued2023
dc.description.abstract<jats:p>Among cereals, triticale (×Trititcoseale Wittmack ex A. Camus) represents a number of advantages such as high grain yield even in marginal environments, tolerance to drought, cold and acid soils, as well as lower production costs. Together with high biomass of grain and straw, triticale is also considered as an industrial energy crop. As an artificial hybrid, it has not evolved naturally, which is reflected in narrow genetic diversity causing a resistance collapse in recent years. Here, we describe a novel, synthetic tetraploid triticale, which was developed by the crossing of rye (Secale cereale L.) with einkorn wheat (Triticum monococcum spp. monococcum), which possess Sr35 stem rust resistance gene. Three subsequent generations of alloploids were obtained by chromosome doubling followed by self-pollination. The cytogenetic analyses revealed that the amphiploids possess a set of 28 chromosomes (14 of Am-genome and 14 of R-genome). The values of the most important yield-shaping traits for these tetraploid triticale form, including thousand-grain weight, plant height and stem length were higher compared to parental genotypes, as well as standard hexaploid triticale cultivars. This study shows that this tetraploid triticale genetic stock can be an interesting pre-breeding germplasm for triticale improvement or can be developed as a new alternative crop.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if4,0
dc.description.number2
dc.description.points70
dc.description.versionfinal_published
dc.description.volume12
dc.identifier.doi10.3390/plants12020278
dc.identifier.issn2223-7747
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5548
dc.identifier.weblinkhttps://www.mdpi.com/2223-7747/12/2/278
dc.languageen
dc.relation.ispartofPlants
dc.relation.pagesart. 278
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.eneinkorn
dc.subject.enfluorescence in situ hybridization
dc.subject.engenetic diversity
dc.subject.enresistance genes
dc.subject.ensteam rust
dc.subject.entriticale
dc.titleNovel Tetraploid Triticale (Einkorn Wheat × Rye)—A Source of Stem Rust Resistance
dc.title.volumeSpecial Issue Chromosome Engineering in Plants: Genetics, Breeding, Evolution
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.issue2
oaire.citation.volume12