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      Vigor evaluation of stored cotton seeds, including the Seed Vigor Imaging System (SVIS®) Translated title: Avaliação do vigor de sementes armazenadas de algodão, incluindo a análise computadorizada de imagens (SVIS®)

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          Abstract

          This study aimed at evaluating efficiency of different tests to assess cotton seed vigor during storage, including the SVIS® software. Thereby, five cotton seed lots (cv. BRS 293) were stored under controlled environmental conditions of low temperature and relative humidity (10 ºC; 30% RH), and under non-controlled laboratory environmental conditions, for eight months. Evaluations of germination, first germination count, cool germination, accelerated aging test traditional and with saturated salt, field seedling emergence and seedling imaging automated analysis - SVIS® were performed before and after every two storage months. It was concluded that the cool germination, accelerated aging (traditional and with saturated salt), field seedling emergence and seedlings length (SVIS®) are adequate parameters for assessing vigor of cotton seeds during storage, and that both accelerated aging and SVIS® (vigor index and seedlings length) present enough sensitivity to identify changes on seed vigor during storage.

          Translated abstract

          O presente trabalho teve como objetivo verificar a eficiência de diferentes testes na avaliação do vigor de sementes de algodão ao longo do armazenamento, incluindo o SVIS®. Cinco lotes de sementes de algodão (cv BRS 293) foram armazenados em câmara fria e seca (10 ºC e 30% UR do ar) e em ambiente natural, durante oito meses. As avaliações da germinação e do vigor (primeira contagem de germinação, germinação a baixa temperatura, envelhecimento acelerado tradicional e com solução saturada de NaCl, emergência de plântulas em campo e análise computadorizada de imagens de plântulas - SVIS®) foram realizadas no início e a cada dois meses de armazenamento. Concluiu-se que os testes de germinação a baixa temperatura, envelhecimento acelerado (tradicional e com solução saturada de NaCl), emergência de plântulas em campo e SVIS® (comprimento de plântulas) são adequados para avaliação do vigor de sementes de algodão durante o armazenamento. Além disso, os testes de envelhecimento acelerado (tradicional e com solução saturada de NaCl) e as análises SVIS® (índice de vigor e comprimento de plântulas) apresentam sensibilidade na identificação da queda do vigor das sementes durante o armazenamento.

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          Most cited references34

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          Fisiologia de sementes de plantas cultivadas

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            Regras para análise de sementes. Ministério da Agricultura, Pecuária e Abastecimento. Secretaria de Defesa Agropecuária

            (2009)
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              SEED vigor testing handbook.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                jss
                Journal of Seed Science
                J. Seed Sci.
                ABRATES - Associação Brasileira de Tecnologia de Sementes (Londrina )
                2317-1545
                June 2014
                : 36
                : 2
                : 222-230
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S2317-15372014000200011
                10.1590/2317-1545v32n2944
                34d24e2d-e490-4a23-84ff-16f36e70828d

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=2317-1537&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                Gossypium hirsutum L.,physiological potential,storage,potencial fisiológico,armazenamento

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