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Title: Characterization of Triticum turgidum sspp. durum, turanicum, and polonicum grown in Central Italy in relation to technological and nutritional aspects
Authors: Palombieri, Samuela 
Bonarrigo, Marco
Cammerata, Alessandro
Quagliata, Giulia
Astolfi, Stefania 
Lafiandra, Domenico 
Sestili, Francesco 
Masci, Stefania 
Issue Date: 2023
Wheat is a staple food, with the two most common species being Triticum aestivum and Triticum turgidum ssp. durum. Besides, this latter, T. turgidum includes other tetraploid subspecies, among which the sspp. turanicum (Khorasan wheat) and polonicum (Polish wheat), whose importance has increased in the last decades, representing alternative crops for marginal areas, besides being a source of genetic diversity. In this work, different accessions of these three subspecies of T. turgidum have been grown in two years in the same environment and have been characterized for technological properties and factors affecting nutritional quality, such as fiber amount and the content of micro- and macro-nutrients in grains, and for root morphological traits. These analyses allowed the identification, in particular, of a Polish wheat accession showing better technological performances, a higher amount of positive micro-and macro-elements, and a lower amount of toxic cadmium. The modern variety Svevo and the Polish Pol2 showed the lowest and the highest shoot:root ratio, respectively. The high shoot/root ratio in Pol2 was mainly attributable to the decrease in root growth. Although Pol2 had a lower root biomass, its particular root morphology made it more efficient for nutrient uptake, as evident from the greater accumulation of micro- and macronutrients. These results underline that it is not possible to draw general conclusions about the difference between primitive and modern wheats, but rather a case-by-case approach should be chosen.
ISSN: 1664-462X
DOI: 10.3389/fpls.2023.1269212
Rights: CC0 1.0 Universal
Appears in Collections:A1. Articolo in rivista

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