Winter hardiness analysis of wheat-rye 5R(5A)-substituted lines in Western Siberia

Ефремова, Т. Т.; Chumanova, E. V.; Zhukova, I M

doi:10.1007/s42976-021-00147-z

Cited by 3 publications

(1 citation statement)

References 43 publications

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“…tauschii chromosomes with early heading date genes were introgressed into Japanese elite cultivars through synthetic hexaploid wheat lines. In our present work, in winter cultivars Filatovka and Ulʼynovka, the recessive vrn-A1 allele of wheat was replaced with the dominant rye VRN-R1 gene, which led to a change in the winter type of development to the spring type(Efremova et al 2022).…”

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Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

2023

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The optimal timing of the heading stage, mainly determined by the VRN genes, contributes to the wide spread of bread wheat and the realization of adaptive and breeding potential. Wild wheat species are valuable sources for expanding the bread wheat genetic diversity by the introgression of new gene alleles, including VRN genes. In this study, a near-isogenic line of the winter wheat cultivar Bezostaya 1 with a VRN-A1 dominant allele was obtained with a T. aestivum ssp. petropavlovskyi accession as the donor. Using known PCR markers for the promoter and rst intron sequences of the VRN-1 gene and subsequent sequencing of PCR fragments, the presence of the Langdon deletion was revealed in the rst intron (Vrn-A1L allele), previously described only for tetraploid wheat. The allele composition of VRN genes was determined in T. aestivum ssp. petropavlovskyi accessions and the presence of the Vrn-A1L dominant allele was established in all accessions. It was shown that the Vrn-A1L dominant allele increased the shoots-heading period under long-and shortday conditions, which is associated with a prolongation before the rst node formation. The comparative study of productivity characteristics of isogenic lines with Vrn-A1a and Vrn-A1Ldominant alleles on spike and plant productivity is presented.

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confidence: 64%

Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

2023

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Development and characterization of a novel common wheat–Mexico Rye T1DL·1RS translocation line with stripe rust and powdery mildew resistance

Zhao

et al. 2023

Journal of Integrative Agriculture

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Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

Chumanova

Ефремова

Vavilova

2022

Preprint

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The optimal timing of the heading stage, mainly determined by the VRN genes, contributes to the wide spread of bread wheat and the realization of adaptive and breeding potential. Wild wheat species are valuable sources for expanding the bread wheat genetic diversity by the introgression of new gene alleles, including VRN genes. In this study, a near-isogenic line of the winter wheat cultivar Bezostaya 1 with a VRN-A1 dominant allele was obtained with a T. aestivum ssp. petropavlovskyi accession as the donor. Using known PCR markers for the promoter and first intron sequences of the VRN-1 gene and subsequent sequencing of PCR fragments, the presence of the Langdon deletion was revealed in the first intron (Vrn-A1L allele), previously described only for tetraploid wheat. The allele composition of VRN genes was determined in T. aestivum ssp. petropavlovskyi accessions and the presence of the Vrn-A1L dominant allele was established in all accessions. It was shown that the Vrn-A1L dominant allele increased the shoots-heading period under long- and short-day conditions, which is associated with a prolongation before the first node formation. The comparative study of productivity characteristics of isogenic lines with Vrn-A1a and Vrn-A1Ldominant alleles on spike and plant productivity is presented.

show abstract

Winter hardiness analysis of wheat-rye 5R(5A)-substituted lines in Western Siberia

Cited by 3 publications

References 43 publications

Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

Development and characterization of a novel common wheat–Mexico Rye T1DL·1RS translocation line with stripe rust and powdery mildew resistance

Characterization of the VRN-A1 allele introgressed from T. aestivum ssp. petropavlovskyi that influences the heading time in bread wheat

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