New purple-grain botanical varieties of bread wheat (Triticum aestivum L.)
https://doi.org/10.30901/2658-3860-2025-2-o1
Abstract
Background. Purple color of grain is rare in Triticum aestivum L. This trait is characteristic of T. aethiopicum Jakubz. The discovery of antioxidants beneficial to human health in purple grain of bread wheat has stimulated breeding for this trait.
Materials and methods. The purple grain identified in that of spring bread wheat cultivar 'Nadine' (k-67127, Tyumen Province) was used for selecting lines differing in awns, pubescence, and glume color. The selections were conducted over a five-year period of 2019–2024. In 2024, segregation ceased and the lines became stable. Plants from the resulting samples were selected for herbarization, designated as the nomenclatural types, and submitted to the Herbarium of Cultivated Plants of the World, their Wild Relatives, and Weeds (WIR).
Results. The comparative morphological studies yielded descriptions of six new botanical varieties of common wheat: Triticum aestivum subsp. aestivum var. violaceomilturum Zuev et Bryk. var. nov.; T. aestivum subsp. aestivum var. violaceopyrothrix Zuev et Bryk. var. nov.; T. aestivum subsp. aestivum var. violaceovelutinum Zuev et Bryk. var. nov.; T. aestivum subsp. aestivum var. violaceoferrugineum Zuev et Bryk. var. nov.; T. aestivum subsp. hadropyrum var. violaceobarbarossa Zuev et Bryk. var. nov.; T. aestivum subsp. hadropyrum var. violaceohostianum Zuev et Bryk. var. nov.
Conclusions. The selected purple-grain lines expand the botanical diversity of the bread wheat collection at VIR. The isolated botanical varieties can also be used as source material for breeding wheat as a functional food product.
About the Authors
A. N. BrykovaRussian Federation
Alla N. Brykova, Senior Researcher, Department of Wheat Genetic Resources, VIR
42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia
N. Yu. Lim
Russian Federation
Nelli Yu. Lim, Junior Researcher, Laboratory of Bioresources Monitoring and Archaeobotany, VIR
42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia
E. V. Zuyev
Russian Federation
Evgeny V. Zuev, Cand. Sci. (Agriculture), Leading Researcher, Department of Wheat Genetic Resources, VIR
42, 44 Bolshaya Morskaya Street, St. Petersburg 190000, Russia
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Review
For citations:
Brykova A.N., Lim N.Yu., Zuyev E.V. New purple-grain botanical varieties of bread wheat (Triticum aestivum L.). Vavilovia. https://doi.org/10.30901/2658-3860-2025-2-o1
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