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Open AccessArticle

Mineral Composition and Antioxidant Status of Tomato with Application of Selenium

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Departamento de Horticultura, Universidad Autónoma Agraria Antonio Narro (UAAAN), Calzada, Antonio Narro # 1923, Saltillo 25315, Coahuila, Mexico
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Departamento de Nutrición Animal, Universidad Autónoma Agraria Antonio Narro (UAAAN), Calzada, Antonio Narro # 1923, Saltillo 25315, Coahuila, Mexico
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Doctorado en Agricultura Protegida, Universidad Autónoma Agraria Antonio Narro (UAAAN), Calzada, Antonio Narro # 1923, Saltillo 25315, Coahuila, Mexico
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Departamento de Maquinaria Agrícola, Universidad Autónoma Agraria Antonio Narro (UAAAN), Calzada, Antonio Narro # 1923, Saltillo 25315, Coahuila, Mexico
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Author to whom correspondence should be addressed.
Agronomy 2018, 8(9), 185; https://doi.org/10.3390/agronomy8090185
Received: 13 July 2018 / Revised: 8 September 2018 / Accepted: 10 September 2018 / Published: 13 September 2018
This experiment was carried out in a greenhouse to evaluate the effects of selenium application (as Na2SeO3) on mineral concentration (as N, P, K, Ca and Se), biomass, yield and total antioxidant status (TAS) of tomato fruit. The study consisted of two experiments: an irrigation experiment with the application of selenium at 0, 2.5 and 5 mg L−1 on the fertilizer solution in soil and perlite; and the foliar application experiment with selenium application at 0, 10, and 20 mg L−1 in foliar spray every 20 days. Results showed that mineral content (as K, Ca, Mg and P) was not modified by selenium application. However, N decreased due to the Se applied in fertilizer solution 5 mg L−1, and a negative correlation was found between the selenium applied in foliar form and the nitrogen concentration. The Se concentration, TAS, and biomass increased in plants in all Se treatments. However, the best response in TAS and Se in fruits was observed with foliar spray every 20 days at concentrations of 10 mg L−1, without negative responses in biomass or mineral content. View Full-Text
Keywords: tomato (Lycopersicon esculentum Mill.); sodium selenite; macronutrients; redox status; antioxidants tomato (Lycopersicon esculentum Mill.); sodium selenite; macronutrients; redox status; antioxidants
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Narváez-Ortiz, W.A.; Becvort-Azcurra, A.A.; Fuentes-Lara, L.O.; Benavides-Mendoza, A.; Valenzuela-García, J.R.; González-Fuentes, J.A. Mineral Composition and Antioxidant Status of Tomato with Application of Selenium. Agronomy 2018, 8, 185.

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