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      Common bean seed vigor affecting crop grain yield Translated title: Vigor de sementes de feijão-comum afetando a produtividade de grãos da cultura

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          Abstract

          Abstract: Among the factors that affect seedling emergence and crop establishment are seed germination and vigor, which has an important influence on the establishment of the initial plant population and development, and may affect crop yield. Based on this background the objective of this research work was to evaluate the effects of seed vigor of common bean seed lots and its effects on crop grain yield. The treatments consisted of six seed lots of common bean, which were composed by different combinations of high and low vigor seeds. Seed lots were assessed by germination and vigor tests (first count of germination, electrical conductivity and accelerated aging). A field experiment was conducted in a randomized block design, with plots of six lines of five meters and were evaluated for grain yield at harvest. It was concluded that seed vigor affects common bean grain yield; the use of low vigor seeds results in grain yield reductions of up to 20%.

          Translated abstract

          Resumo: Entre os fatores que afetam a emergência das plântulas e o estabelecimento da cultura estão a germinação e o vigor das sementes, que têm influência importante sobre o estabelecimento da população de plantas e o seu desenvolvimento inicial, podendo afetar a produtividade da cultura. Neste contexto, o objetivo deste trabalho foi avaliar os efeitos do vigor de sementes de lotes de sementes de feijão-comum sobre a produtividade da cultura. Os tratamentos consistiram de seis lotes de sementes de feijão-comum, que foram compostos por diferentes combinações de sementes de alto e baixo vigor. Os lotes de sementes foram avaliados por meio de testes de germinação e de vigor (primeira contagem de germinação, condutividade elétrica e envelhecimento acelerado). Um experimento de campo foi conduzido em delineamento em blocos casualizados, com parcelas de seis linhas de cinco metros e, foram avaliados pela produtividade de grãos na colheita. Pelos dados obtidos concluiu-se que o vigor das sementes afeta a produtividade da cultura do feijão-comum; o uso de sementes com baixo vigor resulta em perdas de produtividade de até 20%.

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          Most cited references 43

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          Regraspara análise de sementes

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            World Map of the Köppen-Geiger climate classification updated

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              Manual de métodos de análise do solo

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                Author and article information

                Affiliations
                Goiânia GO orgnameCentro Universitário Uni-anhanguera Brasil
                Santo Antônio de Goiás Goiás orgnameEmbrapa Arroz e Feijão Brazil
                Contributors
                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
                December 2016
                : 38
                : 4
                : 365-370
                S2317-15372016000400365 10.1590/2317-1545v38n4166814

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

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                Figures: 0, Tables: 0, Equations: 0, References: 32, Pages: 6
                Product
                Product Information: SciELO Brazil

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