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Article

Combined Selenium and Zinc Biofortification of Bread-Making Wheat under Mediterranean Conditions

1
Department of Agronomy and Forest Environment Engineering, University of Extremadura, Avenida Adolfo Suárez s/n, 06007 Badajoz, Spain
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Department of Construction and Agronomy, University of Salamanca, Avenida Cardenal Cisneros 34, 49029 Zamora, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Gokhan Hacisalihoglu
Plants 2021, 10(6), 1209; https://doi.org/10.3390/plants10061209
Received: 14 May 2021 / Revised: 5 June 2021 / Accepted: 8 June 2021 / Published: 14 June 2021
Millions of people worldwide have an inadequate intake of selenium (Se) and zinc (Zn), and agronomic biofortification may minimise these problems. To evaluate the efficacy of combined foliar Se and Zn fertilisation in bread making wheat (Triticum aestivum L.), a two-year field experiment was established in southern Spain under semi-arid Mediterranean conditions, by following a split-split-plot design. The study year (2017/2018, 2018/2019) was considered as the main-plot factor, soil Zn application (50 kg Zn ha−1, nor Zn) as a subplot factor and foliar application (nor Se, 10 g Se ha−1, 8 kg Zn ha−1, 10 g Se ha−1 + 8 kg Zn ha−1) as a sub-subplot factor. The best treatment to increase both Zn and Se concentration in both straw, 12.3- and 2.7-fold respectively, and grain, 1.3- and 4.3-fold respectively, was the combined foliar application of Zn and Se. This combined Zn and Se application also increased on average the yield of grain, main product of this crop, by almost 7%. Therefore, bread-making wheat seems to be a very suitable crop to be used in biofortification programs with Zn and Se to alleviate their deficiency in both, people when using its grain and livestock when using its straw. View Full-Text
Keywords: sodium selenate; zinc sulfate; cereal; rainfed conditions; forage yield sodium selenate; zinc sulfate; cereal; rainfed conditions; forage yield
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MDPI and ACS Style

Reynolds-Marzal, D.; Rivera-Martin, A.; Santamaria, O.; Poblaciones, M.J. Combined Selenium and Zinc Biofortification of Bread-Making Wheat under Mediterranean Conditions. Plants 2021, 10, 1209. https://doi.org/10.3390/plants10061209

AMA Style

Reynolds-Marzal D, Rivera-Martin A, Santamaria O, Poblaciones MJ. Combined Selenium and Zinc Biofortification of Bread-Making Wheat under Mediterranean Conditions. Plants. 2021; 10(6):1209. https://doi.org/10.3390/plants10061209

Chicago/Turabian Style

Reynolds-Marzal, Dolores, Angelica Rivera-Martin, Oscar Santamaria, and Maria J. Poblaciones 2021. "Combined Selenium and Zinc Biofortification of Bread-Making Wheat under Mediterranean Conditions" Plants 10, no. 6: 1209. https://doi.org/10.3390/plants10061209

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