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      Caracterização física de frutos e sementes de Lafoensia pacari, Alibertia edulis e Genipa americana Translated title: Physical characterization of fruits and seeds of Lafoensia pacari, Alibertia edulis e Genipa americana

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          Abstract

          Como a biometria dos frutos e sementes fornece informações para a conservação e exploração da espécie, de variabilidade entre indivíduos numa determinada área e permite comparações de uma mesma espécie que ocorre em localidades geográficas diferentes, objetivou-se, neste trabalho, caracterizar biometricamente frutos e sementes de Lafoensia pacari, Alibertia edulis e Genipa americana. Para isso foram selecionados aleatoriamente 60 frutos e número igual de sementes, os quais foram medidos com o auxílio de craveira digital. Nos frutos de L. pacari foram medidos comprimento, largura e espessura e nos de A. edulis e G. americana diâmetro transversal e longitudinal; nas sementes determinou-se comprimento, largura e espessura. Também foram determinados o número de sementes por fruto e a massa da matéria fresca dos frutos e sementes. O número de sementes por fruto e a massa da matéria fresca das sementes são as características biométricas com maior variação. O coeficiente de assimetria é negativo para a maioria das características biométricas do fruto e positivo para a maioria das características das sementes. O coeficiente de curtose, para todas as características biométricas dos frutos e sementes apresenta valor menor que 3, exceto para comprimento do fruto de L. pacari.

          Translated abstract

          Biometry of fruits and seeds provides information for conservation and species exploitation, the variability among individuals in a determined area and allows comparisons on the same species occurring in different geographic locations. Thus, the aim of this study was to characterize biometrically fruits and seeds from Lafoensia pacari, Alibertia edulis and Genipa americana. Sixty fruits and an equal number of seeds were randomly selected and measured with the aid of digital calipers. The length, width and thickness of L. pacari fruits was measured, while the transverse and longitudinal diameter was measured in A. edulis and G. americana; in the seeds, the length, width and thickness were measured. It was also determined the number of seeds per fruit and fresh matter mass of fruits and seeds. The number of seeds per fruit and fresh matter mass of seeds are the biometric characteristics with greater variation. The asymmetry coefficient is negative for most fruit biometric characteristics and positive for most seeds characteristics. The kurtosis coefficient, for all biometric characteristics of fruits and seeds, shows value less than three, except for fruit length of L. pacari.

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          Most cited references26

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          Espécies Arbóreas Brasileiras

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            Types of Seeds and Kinds of Seed Dormancy

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              Fisiologia de sementes de plantas cultivadas

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rca
                Revista de Ciências Agrárias
                Rev. de Ciências Agrárias
                Sociedade de Ciências Agrárias de Portugal (Lisboa, , Portugal )
                0871-018X
                June 2017
                : 40
                : 2
                : 71-80
                Affiliations
                [2] Cuiabá MT orgnameUniversidade Federal de Mato Grosso orgdiv1Faculdade de Agronomia orgdiv2Departamento de Fitotecnia Brasil paivasevero@ 123456unemat.br
                [1] Cáceres MT orgnameUniversidade do Estado de Mato Grosso orgdiv1Faculdade de Ciências Agrárias e Biológicas Brasil
                Article
                S0871-018X2017000200009
                10.19084/RCA16034
                e0f7f81f-9afc-4125-8d61-c7ad6cb901c9

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

                History
                : 17 November 2016
                : 14 March 2016
                : 10 November 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 10
                Product

                SciELO Portugal


                cerrado,biometria,espécies florestais,biometrics,forest species

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