Illustrated key to infraspecific taxa of Triticum durum Desf.
https://doi.org/10.30901/2658-3860-2020-2-9-34
Abstract
Classifications of the genus Triticum L. differ in approaches to the number and content of both intrageneric and infraspecific taxa. According to the «GrainTax» System, an on‑line source of information on the taxonomy of wheat, there are currently 7 main classifications of the genus Triticum L. These include a classification developed at the Department of Wheat Genetic Resources of VIR, which is referred to as the “Classification of Triticum by Dorofeev et al.” This is the world’s first standardized system that contains all known infraspecific taxa of wild and cultivated wheat species. A detailed classification makes it possible to identify a wide variety of forms when working with the genus Triticum L. and its individual species, which is especially important for collections preserved in genetic seed banks. In accordance with this system, durum wheat (T. durum Desf.) is regarded as a species that includes two subspecies, 131 botanical varieties and 42 forms united into six groups and three subgroups of varieties. The basis of the infraspecific system is made up of botanical varieties with a definite complex of morphological traits of the spike and kernel. The present work contains descriptions of each botanical variety and photographs of most of them.
Keywords
durum wheat (Triticum durum),
infraspecific classification,
taxon,
morphological traits,
botanical variety
Supporting agencies: The work was performed within the framework of the State Assignment according to the Thematic Plan of VIR, Project No. 0662-2019-0006 “Search for, maintenance of viability and revealing of the hereditary variability potential in the VIR global collection of cereal and groat crops for the development of an optimized genebank and for rational use in breeding and crop production.”
About the Author
O. A. Lyapunova
https://www.vir.nw.ru/vir/podrazdeleniya-instituta/otdely/resursnye-otdely/otdel-geneticheskih-resursov-pshenitsy/
N.I. Vavilov All‑Russian Institute of Plant Genetic Resources
Russian Federation
42, 44 Bolshaya Morskaya Street, St. Petersburg, 19000
N.I. Vavilov All‑Russian Institute of Plant Genetic Resources
Russian Federation
42, 44 Bolshaya Morskaya Street, St. Petersburg, 19000
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Review
For citations:
Lyapunova O.A. Illustrated key to infraspecific taxa of Triticum durum Desf. Vavilovia. 2020;3(2):9-34. (In Russ.) https://doi.org/10.30901/2658-3860-2020-2-9-34
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