Triticum parvicoccum Kislev in Transcaucasia

Schultze-Motel, Jürgen

doi:10.1007/s10722-019-00795-5

Cited by 3 publications

(4 citation statements)

References 15 publications

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“…dicoccon which had a hulled grain and a nonbrittle rachis. Free-threshing tetraploid wheat appeared soon following the nonfragile types, in the Near east, late Pre-Pottery Neolithic B (PPNB) ( Kislev, 1980 ; Nesbitt, 2001 ; Schultze-Motel, 2019 ).…”

Section: Wheat Domesticationmentioning

confidence: 99%

“…The domesticated free-threshing tetraploid wheat that was cultivated approximately 9,000 YA, starting in the Levant and spreading throughout the fertile crescent, when T. aestivum was formed is the primitive tetraploid T. turgidum ssp. parvicoccum ( 1980 , Kislev, 2009 ; Schultze-Motel, 2019 ), making it a candidate as donor of the BBAA genomes. This is reinforced by the fact that the extracted tetraploids produced by Kerber (1964) , having the BBAA subgenomes from hexaploid wheat and lacking the D subgenome (see Figure 3 ), were free threshing and had similar small and oval grain shape as ssp.…”

Section: Wheat Domesticationmentioning

confidence: 99%

“…While ssp. parvicoccum was found in several archaeological sites beyond the fertile crescent, in the Balkans and in Transcaucasia, and as late as approximately 1,000 years ago in Georgia ( Schultze-Motel, 2019 ), it is now extinct as it was replaced during the Roman period by the more prolific and large-grain ssp. durum ( Kislev, 2009 ).…”

Section: Wheat Domesticationmentioning

confidence: 99%

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Evolution and origin of bread wheat

2022

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Bread wheat (Triticum aestivum, genome BBAADD) is a young hexaploid species formed only 8500-9000 years ago through hybridization between a domesticated free-threshing tetraploid progenitor, genome BBAA, and Aegilops tauschii, the diploid donor of the D subgenome. Very soon after its formation, it spread globally from its cradle in the fertile crescent into new habitats and climates, to become a staple food of humanity. This extraordinary global expansion was probably enabled by allopolyploidy that accelerated genetic novelty through the acquisition of new traits, new intergenomic interactions, and buffering of mutations, and by the attractiveness of bread wheat’s large, tasty, and nutritious grain with high baking quality. New genome sequences suggest that the elusive donor of the B subgenome is a distinct (unknown or extinct) species rather than a mosaic genome. We discuss the origin of the diploid and tetraploid progenitors of bread wheat and the conflicting genetic and archaeological evidence on where it was formed and which species was its free-threshing tetraploid progenitor. Wheat experienced many environmental changes throughout its evolution, therefore, while it might adapt to current climatic changes, efforts are needed to better use and conserve the vast gene pool of wheat biodiversity on which our food security depends.

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Section: Wheat Domesticationmentioning

confidence: 99%

Section: Wheat Domesticationmentioning

confidence: 99%

Section: Wheat Domesticationmentioning

confidence: 99%

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Evolution and origin of bread wheat

2022

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“…ex H.Wendl., Triticum L. or Vicia L. genera; to provide a good practice guide for working with taxa whose types are archaeological material; and finally, to resolve the nomenclatural confusion surrounding the names of one of these small-grained archaeobotanical wheats, Triticum parvicoccum Kislev. Kislev, 1980Kislev, , 1981Kislev, , 1984Kislev, , 2009Tan, 1985;Kislev & Melamed, 2000;Kislev & al., 2006;IFPNI, 2014, Schultze-Motel, 2019 Triticum sativum var. Heer, 1865Heer, , 1866Dyer, 1886;Deininger, 1892;Buschan, 1895;Flaksberger, 1930;Jessen & Helbaek, 1944…”

Section: ■ Introductionmentioning

confidence: 99%

Fossil or non‐fossil? A best‐practice guide for archaeobotanical taxa

Rivera,

Ferrer‐Gallego,

Obón

et al. 2023

TAXON

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Triticum L.

Feldman,

Levy

2023

Wheat Evolution and Domestication

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In this chapter, the taxonomical complexities of the genus Triticum are presented. Following the biological concept of species, the genus contains six species, two diploids, two tetraploid, and two hexaploids. The characteristic morphology of the genus and that of the wild forms, their geographic distribution, and ecological affinities, as well as their preadaptation for domestication and the processes leading to wheat domestication are reported. The origin and evolution of the diploid species, and the genome analysis of the allopolyploids are reviewed. Origin of the A, B, and D subgenomes of allopolyploid wheats, are presented. The relationships between Triticum species and other Triticineae are discussed.

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Triticum parvicoccum Kislev in Transcaucasia

Cited by 3 publications

References 15 publications

Evolution and origin of bread wheat

Evolution and origin of bread wheat

Fossil or non‐fossil? A best‐practice guide for archaeobotanical taxa

Triticum L.

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