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      Qualidade de sementes de pimenta jalapenho em função da maturação e tempo de permanência nos frutos Translated title: Seed quality of jalapeno pepper according to fruit maturation and post harvest rest

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          Abstract

          As sementes de pimenta podem apresentar baixas taxas de germinação, fato que, aliado ao desconhecimento do melhor estádio de colheita das mesmas, limita a oferta de sementes com máximo rendimento e alto vigor. Este trabalho objetivou avaliar a emergência de sementes de pimenta jalapenho extraídas de frutos colhidos aos 128 dias após o plantio, apresentando dois estádios de maturação (verde e vermelho) e submetidas ao armazenamento por 0, 7, 14, 21 e 28 dias, antes da extração das sementes. A qualidade fisiológica das sementes foi avaliada pelos testes de percentagem de emergência, primeira contagem de emergência, índice de velocidade de emergência e condutividade elétrica. Pôde-se concluir que, independentemente do estádio de maturação dos frutos, a permanência das sementes dentro deles proporcionou aumento de vigor nas sementes. A permanência das sementes por 28 dias, dentro dos frutos colhidos verdes, mostrou-se ideal para que as sementes completassem o seu desenvolvimento e adquirissem maior qualidade fisiológica.

          Translated abstract

          Pepper seeds can show low germination rates and that, together with the unfamiliarity concerning their best harvest time, limits the seeds offering with maximum yield and vigor. This study aimed at evaluating the emergence of jalapeno pepper seeds obtained from fruits harvested at 128 days after sowing, with two maturation stages (green and red) and stored for 0, 7, 14, 21 and 28 days, before the seeds extraction. The seeds physiological quality was evaluated by using the tests of emergence percentage, first emergence counting, emergence rate index and electrical conductivity. It was possible to conclude that, independently of the fruit maturation stage, the post harvest rest of seeds inside the fruit increased their vigor. The post harvest rest for 28 days inside green fruits showed to be ideal for a complete seed development and higher physiological quality.

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          Regraspara análise de sementes

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            Fisiologia de sementes de plantas cultivadas

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              Speed of Germination—Aid In Selection And Evaluation for Seedling Emergence And Vigor1

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                Author and article information

                Journal
                pat
                Pesquisa Agropecuária Tropical
                Pesqui. Agropecu. Trop.
                Escola de Agronomia/UFG (Goiânia, GO, Brazil )
                1517-6398
                1983-4063
                June 2013
                : 43
                : 2
                : 123-129
                Affiliations
                [01] Presidente Prudente SP orgnameUniversidade do Oeste Paulista orgdiv1Faculdade de Ciências Agrárias Brasil nararicci@ 123456hotmail.com
                Article
                S1983-40632013000200008 S1983-4063(13)04300200008
                10.1590/S1983-40632013000200008
                e63fe906-8d2a-4f5c-88f7-e31e72697564

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

                History
                : August 2012
                : April 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 23, Pages: 7
                Product

                SciELO Brazil

                Self URI: Texto completo somente em PDF (PT)
                Categories
                Produção Vegetal

                qualidade fisiológica,germinação,época de colheita,Capsicum annuum L.,harvest time,physiological quality,germination

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