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Title: Assessing the evolution of wheat grain traits during the last 166 years using archived samples
Author: Ben Mariem, Sinda
Gámez, Angie L.
Larraya, Luis
Fuertes Mendizabal, Teresa
Cañameras, Núria
Araus Ortega, José Luis
McGrath, Steve P.
Hawkesford, Malcolm J.
González Murua, Carmen
Gaudeul, Myriam
Medina, Leopoldo
Paton, Alan
Cattivelli, Luigi
Fangmeier, Andreas
Bunce, James
Tausz Posch, Sabine
Macdonald, Andy J.
Aranjuelo Michelena, Iker
Keywords: Avaluació de l'estat nutricional
Blat de moro
Proteïnes dels aliments
Nutritional status measurement
Protein content of food
Issue Date: 11-Dec-2020
Publisher: Nature Publishing Group
Abstract: The current study focuses on yield and nutritional quality changes of wheat grain over the last 166 years. It is based on wheat grain quality analyses carried out on samples collected between 1850 and 2016. Samples were obtained from the Broadbalk Continuous Wheat Experiment (UK) and from herbaria from 16 different countries around the world. Our study showed that, together with an increase in carbohydrate content, an impoverishment of mineral composition and protein content occurred. The imbalance in carbohydrate/protein content was specially marked after the 1960's, coinciding with strong increases in ambient [CO2] and temperature and the introduction of progressively shorter straw varieties. The implications of altered crop physiology are discussed.
Note: Reproducció del document publicat a:
It is part of: Scientific Reports, 2020, vol. 10, num. 1, p. 21828
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ISSN: 2045-2322
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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