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Título: | Genotypic variability on grain yield and grain nutritional quality characteristics of wheat grown under elevated co2 and high temperature |
Autor: | Marcos Barbero, Emilio L. CSIC ORCID; Pérez Pérez, Pilar CSIC ORCID ; Martínez-Carrasco, Rafael CSIC ORCID; Arellano, Juan B. CSIC ORCID ; Morcuende, Rosa CSIC ORCID | Palabras clave: | Wheat Elevated CO2 Temperatures Grain yield Grain protein concentration Mineral nitrients Phenolic compounds Starch |
Fecha de publicación: | 2021 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Plants 10 (6): 1043 (2021) | Resumen: | The progressive rise in atmospheric CO2 concentrations and temperature associated with climate change is predicted to have a major impact on the productivity and quality of food crops. Therefore, food security is highly dependent on climate change. Following a survey with 60 bread wheat genotypes, here we investigated the genetic variation in grain yield and nutritional quality among 10 of these genotypes grown under elevated CO2 and temperature. With this purpose, the biomass production, grain yield-related traits, the grain concentration of starch, total protein, phenolic compounds, and mineral nutrients, together with the total antioxidant capacity, were determined. Variation among genotypes was found for almost all the studied traits. Higher grain and ear numbers were associated with increased grain yield but decreased grain total protein concentration and minerals such as Cu, Fe, Mg, Na, P, and Zn. Mineral nutrients were mainly associated with wheat biomass, whereas protein concentration was affected by plant biomass and yield-related traits. Associations among different nutrients and promising nutrient concentrations in some wheat genotypes were also found. This study demonstrates that the exploration of genetic diversity is a powerful approach, not only for selecting genotypes with improved quality, but also for dissecting the effect of the environment on grain yield and nutritional composition | Descripción: | 23 páginas, 6 tablas, 3 figuras | Versión del editor: | http://dx.doi.org/10.3390/plants10061043 | URI: | http://hdl.handle.net/10261/242541 | DOI: | 10.3390/plants10061043 | E-ISSN: | 2223-7747 |
Aparece en las colecciones: | (IRNASA) Artículos |
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Genotypic Variability on Grain Yield and Grain Nutritional.pdf | Artículo principal | 4,48 MB | Adobe PDF | Visualizar/Abrir |
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