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Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome

Nadia Daskalova   ORCID icon orcid.org/0000-0002-3314-3935 ; Plant Production Department, Technical University, Varna, Bulgaria
Sonya Doneva ; Dobrudzha Agricultural Institute, General Toshevo, Bulgaria
Penko Spetsov   ORCID icon orcid.org/0000-0002-3110-4676 ; Aksakovo Center, Aksakovo, Varna region, Bulgaria

Puni tekst: engleski, pdf (757 KB) str. 107-115 preuzimanja: 27* citiraj
APA 6th Edition
Daskalova, N., Doneva, S. i Spetsov, P. (2021). Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome. Agriculturae Conspectus Scientificus, 86 (2), 107-115. Preuzeto s https://hrcak.srce.hr/259578
MLA 8th Edition
Daskalova, Nadia, et al. "Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome." Agriculturae Conspectus Scientificus, vol. 86, br. 2, 2021, str. 107-115. https://hrcak.srce.hr/259578. Citirano 02.12.2021.
Chicago 17th Edition
Daskalova, Nadia, Sonya Doneva i Penko Spetsov. "Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome." Agriculturae Conspectus Scientificus 86, br. 2 (2021): 107-115. https://hrcak.srce.hr/259578
Harvard
Daskalova, N., Doneva, S., i Spetsov, P. (2021). 'Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome', Agriculturae Conspectus Scientificus, 86(2), str. 107-115. Preuzeto s: https://hrcak.srce.hr/259578 (Datum pristupa: 02.12.2021.)
Vancouver
Daskalova N, Doneva S, Spetsov P. Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome. Agriculturae Conspectus Scientificus [Internet]. 2021 [pristupljeno 02.12.2021.];86(2):107-115. Dostupno na: https://hrcak.srce.hr/259578
IEEE
N. Daskalova, S. Doneva i P. Spetsov, "Characterization of Triticale (× Triticosecale Wittmack) Accessions and Reciprocal Hybrids Possessing Wheat 1D Chromosome", Agriculturae Conspectus Scientificus, vol.86, br. 2, str. 107-115, 2021. [Online]. Dostupno na: https://hrcak.srce.hr/259578. [Citirano: 02.12.2021.]

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Sažetak
The aim of this study was to evaluate the genetic diversity of five triticale accessions and to perform reciprocal crosses involving wheat 1D chromosome in early generations. Morphological, cytological and seed protein analysis was applied in order to select the best individuals among initial triticale strains. Individual selection for spike traits was performed followed by chromosome examination and seed protein analysis. One hexaploid line (2n=42) and an octoploid strain (2n=56) with the D genome from Triticum aestivum L. cv. Mironovskaya 808, were the most distant among all triticale studied. They differed from each other on almost all traits analyzed, including storage proteins encoded at the loci of four genomes. Cytologically fixed plants of the two lines were involved in reciprocal crosses. Selected individuals in F2 generation, containing 1D chromosome through the presence of the subunit pair 5+10, were selfed and measured for six traits. According to HMW glutenins and secalins, F3 seeds were divided in eleven genotypes, among which G2 (2*-2r+6.5r-7+9- 5+10-d2) and G5 (1-2r+6.5r-7+9/9r-5+10-d2) were the most frequently distributed, 14.3% and 11.4%, respectively. Some of them expressed structural changes marked by combining alleles in A- and B-genomes and d1 and d2 in Gli-R2 loci. Our data suggested that selection in crosses between 6x and 8x triticales appeared as an effective approach for transferring 1D chromosome of a particular wheat variety into hexaploid triticale in association with diverse glutenin and secalin compositions.

Ključne riječi
triticale (6x and 8x), glutenins, secalins, wheat 1D chromosome, F1-F3 generations

Hrčak ID: 259578

URI
https://hrcak.srce.hr/259578

Posjeta: 64 *