Responses to the Interaction of Selenium and Zinc Through Foliar Fertilization in Processed Grains of Brazilian Upland Rice Genotypes

Filipe Aiura Namorato, Patriciani Estela Cipriano, Pedro Antônio Namorato Benevenute, Everton Geraldo de Morais, Felipe Pereira Cardoso, Ana Paula Branco Corguinha, Stefânia Barros Zauza, Gustavo Ferreira de Sousa, Maila Adriely Silva, Eduardo Sobrinho Santos Figueredo, Raphael Felipe Rodrigues Correia, Fábio Aurélio Dias Martins, Flávia Barbosa Silva Botelho and Luiz Roberto Guimarães Guilherme ()
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Filipe Aiura Namorato: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Patriciani Estela Cipriano: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Pedro Antônio Namorato Benevenute: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Everton Geraldo de Morais: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Felipe Pereira Cardoso: Department of Agriculture, School of Agriculture Federal, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Ana Paula Branco Corguinha: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Stefânia Barros Zauza: Department of Agriculture, School of Agriculture Federal, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Gustavo Ferreira de Sousa: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Maila Adriely Silva: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Eduardo Sobrinho Santos Figueredo: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Raphael Felipe Rodrigues Correia: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Fábio Aurélio Dias Martins: Agricultural Research Company of Minas Gerais, Aquenta Sol, Lavras 37203-202, MG, Brazil
Flávia Barbosa Silva Botelho: Department of Agriculture, School of Agriculture Federal, Federal University of Lavras, Lavras 37203-202, MG, Brazil
Luiz Roberto Guimarães Guilherme: Department of Soil Science, Federal University of Lavras, Lavras 37203-202, MG, Brazil

Agriculture, 2025, vol. 15, issue 11, 1-27

Abstract: Rice ( Oryza sativa L.) is a crucial crop for biofortification that is widely consumed and is cultivated in soils with low levels of selenium (Se) and zinc (Zn). The study evaluated how upland rice genotypes can increase Se and Zn in grains with foliar fertilization and analyzed the impact on agronomic characteristics and protein and amino acid contents. Experiments in Lambari and Lavras used a 5 × 4 factorial design with five genotypes (BRS Esmeralda, CMG 2188, CMG ERF 221-16, CMG ERF 221-19, CMG ERF 85-15) and four treatments (control, without Se; 5.22 g Se ha −1 ; 1.42 kg Zn ha −1 ; and combined Zn+Se) with three replicates. The study showed that CMG ERF 85-15, with Se fertilization, increased grain yield in Lambari. In Lavras, adding Zn to CMG 2188 and CMG ERF 85-15 improved grain yield. In Lambari, most variables were grouped with Zn+Se, except grain yield and free amino acids in the grain. In Lavras, variables associated with Se, proteins, free amino acids in the polished grain, hulling in whole and polished grain, and milling yield were grouped under the treatment Zn+Se. We recommend the genotype CMG ERF 85-15 based on the results for foliar biofortification with Zn+Se.

Keywords: amino acid; genotype; protein (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: 2025
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