Agronomic Biofortification with Selenium in Tomato Crops ( Solanum lycopersicon L. Mill)

Foroughbakhch Pournavab Rahim, Castillo Godina Rocio, Benavides Mendoza Adalberto, Salas Cruz Lidia Rosaura and Ngangyo Heya Maginot
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Foroughbakhch Pournavab Rahim: Departamento de Botánica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Av. Universidad s/n Cd. Universitaria, San Nicolás de los Garza 66451, Nuevo León, Mexico
Castillo Godina Rocio: Departamento de Horticultura, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923, Saltillo 25315, Coahuila, Mexico
Benavides Mendoza Adalberto: Departamento de Horticultura, Universidad Autónoma Agraria Antonio Narro, Calzada Antonio Narro 1923, Saltillo 25315, Coahuila, Mexico
Salas Cruz Lidia Rosaura: Facultad de Agronomía, Universidad Autónoma de Nuevo León, Francisco Villa s/n, Col. Ex-Hacienda “El Canadá”, Escobedo 66050, Nuevo León, Mexico
Ngangyo Heya Maginot: Facultad de Agronomía, Universidad Autónoma de Nuevo León, Francisco Villa s/n, Col. Ex-Hacienda “El Canadá”, Escobedo 66050, Nuevo León, Mexico

Agriculture, 2020, vol. 10, issue 10, 1-11

Abstract: Biofortification aims to increase the concentration of bioavailable elements in crops, to increase their nutritional quality. Selenium is a trace element of great impact on the antioxidant metabolism of plants and its accumulation is poor in species such as Solanum lycopersicon , so adding it is part of biofortification programs. The present work analyzes the capacity of sodium selenite (Na 2 SeO 3 ) to increase the concentration of Selenium in tomatoes plants and fruits. For this, three treatments were applied (0, 2, and 5 mg L −1 of sodium selenite) using irrigation water as a vehicle. 40 days after transplanting, the accumulation of selenium and macronutrients in leaves, stems, and fruits was quantified, as well as their impact on tomato plant productivity. Agronomic variables such as height (cm), diameter (mm) of stems, number and weight (g) of fruits produced were determined. The results were analyzed by ANOVA and later, a Tukey mean comparison test was performed. An increase in the accumulation of Se was observed, being up to 53% in the fruits under the 5 mg L −1 treatment compared to the control. However, this increase did not have a noticeable impact on macronutrient content and tomato yield, but rather, contributed to the improvement of the nutritional quality of the tomato.

Keywords: selenium biofortification; sodium selenite; Solanum lycopersicon; health and nutrition (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2020
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