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      Physiological performance of wheat seeds treated with micronutrients and protection products during storage Translated title: Desempenho fisiológico de sementes de trigo tratadas com micronutrientes e produtos protetores durante o armazenamento

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          Abstract

          Abstract: Seeds with high quality are one of the important factors to consider in the crops establishment on field. Therefore, the physical and physiological quality of wheat seeds treated with mixes of micronutrients including zinc and protective products were aimed. The wheat seeds were analyzed in a factorial scheme 5x3x4, with five storage time: 0, 60, 120, 180 and 240 days; three micronutrients: micronutrients 1 (1% Mn; 0.1% Mo; 10% Zn); micronutrients 2 (0.3% B; 0.3% Co; 3% Zn) and no micronutrients, and four protective products: untreated seeds, polymer (Colorseed He), fungicide carboxin + thiram (Vitavax® Thiram 200 SC) + insecticide thiamethoxam (Cruiser® 350 FS) and polymer + fungicide + insecticide. After treatment, the seeds were stored under uncontrolled conditions for 240 days and at intervals of 60 days, the germination, accelerated aging and moisture content were determined. Wheat seeds untreated and treated with polymer have the best physiological performance during storage, regardless micronutrients treatments. The wheat seeds treated with carboxin + thiram + thiamethoxam and polymer + carboxin + thiram + thiamethoxam can be storage up to 120 days, under uncontrolled conditions, regardless micronutrients treatments. The seed treatment does not alter the moisture content of wheat seeds.

          Translated abstract

          Resumo: Sementes com alta qualidade são importantes no estabelecimento de culturas no campo. Portanto, objetivou-se avaliar a qualidade física e fisiológica de sementes de trigo tratadas com micronutrientes contendo zinco combinados a produtos protetores. As sementes foram analisadas em esquema fatorial 5x3x4, com cinco períodos de armazenamento: 0, 60, 120, 180 e 240 dias; três micronutrientes: micronutrientes 1 (1% Mn; 0,1% Mo; 10% Zn); micronutrientes 2 (0,3% B; 0,3% Co; 3% Zn) e sem micronutrientes; e quatro produtos protetores: sementes não tratadas, polímero (Colorseed He), fungicida carboxina + tiram (Vitavax® Thiram 200 SC) + inseticida tiametoxam (Cruiser® 350 FS) e polímero + fungicida + inseticida. Após o tratamento, as sementes foram armazenadas em condições não controladas por 240 dias e em intervalos de 60 dias determinou-se a germinação, envelhecimento acelerado e teor de umidade. Sementes não tratadas e tratadas com polímero têm o melhor desempenho fisiológico durante o armazenamento, independentemente dos tratamentos com micronutrientes. As sementes tratadas com carboxina + tiram + tiametoxam e polímero + carboxina + tiram + tiametoxam podem ser armazenadas até 120 dias, em condições não controladas, independentemente dos tratamentos com micronutrientes. O tratamento de sementes não altera o teor de umidade de sementes de trigo.

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          Most cited references 29

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          Regraspara análise de sementes

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            Fisiologia de sementes de plantas cultivadas

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              Tratamento de sementes: histórico, tipos, características e benefícios

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                jss
                Journal of Seed Science
                J. Seed Sci.
                ABRATES - Associação Brasileira de Tecnologia de Sementes (Londrina, PR, Brazil )
                2317-1537
                2317-1545
                June 2017
                : 39
                : 2
                : 182-188
                Affiliations
                Ibirubá orgnameInstituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul Brazil
                Geneva New York orgnameCornell University orgdiv1Departmento de Horticultura United States
                Santa Maria Rio Grande do Sul orgnameUniversidade Federal de Santa Maria orgdiv1Departamento de Solos Brazil
                S2317-15372017000200182
                10.1590/2317-1545v39n2176874

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 29, Pages: 7
                Product
                Product Information: SciELO Brazil

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