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      Effect of chemical treatment on the physiological and sanitary quality of stored coffee seeds Translated title: Influência do tratamento químico na qualidade fisiológica e sanitária de sementes de café armazenadas

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          Abstract

          Abstract: Maintaining the health of coffee seeds is especially important during storage, as soil fungi and storage fungi can considerably reduce seed quality. Thus, chemical treatments for protection of seeds in storage becomes important in agricultural production. It is necessary to evaluate the effects of these treatments on seedling development and the protection they provide against storage fungi, aiming at seed longevity and preventing rapid deterioration. The aim of this study was to evaluate the effect of chemical treatment on the physiological and sanitary quality of stored coffee seeds. Seeds of five Coffea arabica cultivars were pre-dried, treated with Vitavax®-Thiram, and placed in cold storage at 10 °C for nine months. Seed physiological quality was evaluated every three months by the germination test and by determination of root emergence percentage, seedlings with expanded cotyledonary leaves, and seedling dry matter. Seed health quality was assessed by the health test. The chemical treatment with Vitavax-Thiram does not affect the physiological quality of stored Coffea arabica seeds. Seed treatment before storage is effective in reducing the inoculum potential of Fusarium spp. and Phoma spp. in coffee seeds.

          Translated abstract

          Resumo: A qualidade sanitária é um atributo importante em sementes de café, principalmente durante o armazenamento, pois a presença de fungos de solo e de armazenamento são importantes causadores de perda da qualidade. Assim, o tratamento químico visando a proteção das sementes durante o armazenamento, torna-se importante na produção agrícola, sendo necessário a avaliação dos efeitos dos produtos no desenvolvimento das plântulas e na proteção contra os fungos de armazenamento, visando a longevidade das sementes e evitar a rápida deterioração. Portanto, o objetivo foi avaliar o efeito do tratamento químico na qualidade fisiológica e sanitária de sementes de café armazenadas. Foram utilizadas sementes da espécie Coffea arabica, estas foram pré-secadas, tratadas com Vitavax®Thiram e armazenadas em câmara fria a 10 °C durante nove meses. A qualidade fisiológica foi avaliada a cada três meses pelo teste de germinação, protrusão radicular, plântulas com folhas cotiledonares expandidas e massa seca de plântulas. A avaliação da qualidade sanitária foi realizada pelo teste de sanidade. O tratamento químico com Vitavax®Thiram não afeta a qualidade fisiológica das sementes de Coffea arabica armazenadas. O tratamento de sementes antes do armazenamento é eficiente na redução do potencial de inóculo dos patógenos Fusarium spp. e Phoma spp. em sementes de café.

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          Most cited references22

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          Sisvar: a computer statistical analysis system

          Sisvar is a statistical analysis system, first released in 1996 although its development began in 1994. The first version was done in the programming language Pascal and compiled with Borland Turbo Pascal 3. Sisvar was developed to achieve some specific goals. The first objective was to obtain software that could be used directly on the statistical experimental course of the Department of Exact Science at the Federal University of Lavras. The second objective was to initiate the development of a genuinely Brazilian free software program that met the demands and peculiarities of research conducted in the country. The third goal was to present statistical analysis software for the Brazilian scientific community that would allow research results to be analyzed efficiently and reliably. All of the initial goals were achieved. Sisvar gained acceptance by the scientific community because it provides reliable, accurate, precise, simple and robust results, and allows users a greater degree of interactivity.
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            Predicting the storage life of seed

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              Regras para análise de sementes

              (2009)
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                Author and article information

                Journal
                jss
                Journal of Seed Science
                J. Seed Sci.
                ABRATES - Associação Brasileira de Tecnologia de Sementes (Londrina, PR, Brazil )
                2317-1537
                2317-1545
                2021
                : 43
                : e202143009
                Affiliations
                [1] Lavras Minas Gerais orgnameUniversidade Federal de Lavras orgdiv1Departamento de Agricultura Brazil
                Article
                S2317-15372021000100201 S2317-1537(21)04300000201
                10.1590/2317-1545v43237239
                abcd064f-b2a7-4546-b220-de5d09b05d19

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

                History
                : 27 April 2020
                : 13 January 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 22, Pages: 0
                Product

                SciELO Brazil

                Categories
                Note

                conservação,Coffea arabica,Phoma spp.,Fusarium spp.,Vitavax-Thiram,conservation

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