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Production of synthetic wheat lines to exploit the genetic diversity of emmer wheat and D genome containing Aegilops species in wheat breeding

Agriculture

Production of synthetic wheat lines to exploit the genetic diversity of emmer wheat and D genome containing Aegilops species in wheat breeding

G. Mirzaghaderi, Z. Abdolmalaki, et al.

This research, conducted by Ghader Mirzaghaderi, Zinat Abdolmalaki, Rahman Ebrahimzadegan, Farshid Bahmani, Fatemeh Orooji, Mohammad Majdi, and Ali-Akbar Mozafari, reveals the creation of 192 cross combinations of diverse wheat and Aegilops genotypes, producing stable synthetic amphiploids. The findings highlight how emmer wheat and Aegilops species can enhance the genetic diversity of bread wheat, showcasing incredible potential for future agricultural enhancements.

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Playback language: English
Abstract
Emmer wheat (*Triticum turgidum* subsp. *dicoccum* and *dicoccoides*), durum wheat (*T. turgidum* subsp. *durum*), *T. timopheevii*, and D genome-containing *Aegilops* species are valuable sources of genetic variation for improving bread wheat (*T. aestivum*). This study created 192 cross combinations between diverse wheat and *Aegilops* genotypes, resulting in 56 synthetic hexaploid and octaploid F2 lines with AABBDD, AABBDDDD, AAGGDD, D'D¹XXAABB, D'D¹C¹CAABB, and D'D¹N¹N¹AABB genomes. Cytogenetic analysis confirmed the produced lines as stable amphiploids, demonstrating the potential of emmer wheat and *Aegilops* species for broadening bread wheat genetic variation.
Publisher
Scientific Reports
Published On
Nov 12, 2020
Authors
Ghader Mirzaghaderi, Zinat Abdolmalaki, Rahman Ebrahimzadegan, Farshid Bahmani, Fatemeh Orooji, Mohammad Majdi, Ali-Akbar Mozafari
Tags
emmer wheat
bread wheat
genetic variation
synthetic hexaploids
Aegilops
cross combinations
cytogenetic analysis

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