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      Effects of Storage and Exogenous Ga3 on Lychee Seed Germination

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          Abstract

          The effects of storage time and exogenous gibberellic acid on lychee seeds germination were studied. The seeds were removed from ripe fruits, washed, dried, stored at 8°C for 0, 15 and 30 days, and soaked during 24 hours in water and GA3 at 50, 100 and 200 mg.L-1 solutions. As the storage period increased, the germination capacity was lost, and the seeds had a short germinability after 30-day storage period. Gibberellic acid had not significant effect on enhancing both the germination percentage and rate.

          Translated abstract

          O trabalho teve como objetivo estudar os efeitos do tempo de armazenamento e de tratamentos com ácido giberélico, no processo germinativo de sementes de lichieira (Litchi chinensis Sonn.). As sementes foram retiradas de frutos maduros, lavadas, secas à sombra e colocadas para germinar imediatamente ou então, armazenadas em geladeira (8°C) por 15 e 30 dias. Os tratamentos corresponderam à imersão das sementes por 24 horas nas seguintes soluções com aeração: água, GA3 a 50, 100 e 200 mg.L-1. Através dos resultados obtidos, observou-se que as sementes perderam o poder germinativo, à medida que aumentou-se o tempo de armazenamento, sendo a porcentagem de germinação muito baixa (7%) aos 30 dias de armazenamento. O tempo médio de germinação foi menor após 15 dias de armazenamento.

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          Most cited references16

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          Water Uptake and Germination of Leguniinous Seeds Under Changing External Water Potential in Osmotic Solutions

          A. HADAS (1976)
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            Curso de estatística experimental

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              Propagation of lychee: A review

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                Author and article information

                Journal
                babt
                Brazilian Archives of Biology and Technology
                Braz. arch. biol. technol.
                Instituto de Tecnologia do Paraná - Tecpar (Curitiba, PR, Brazil )
                1516-8913
                1678-4324
                2000
                : 43
                : 4
                Affiliations
                [01] Botucatu SP orgnameUniversidade Estadual Paulista orgdiv1Instituto de Biociências orgdiv2Departamento de Botânica Brazil
                [02] Itatinga SP orgnameCATI orgdiv1Secretaria de Agricultura e Abastecimento Brazil
                [03] Caldas MG orgnameEPAMIG orgdiv1FECD orgdiv2CTSM Brazil
                Article
                S1516-89132000000400015 S1516-8913(00)04300415
                10.1590/S1516-89132000000400015
                68dce102-cd93-4e13-8205-de51cc794cf6

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

                History
                : 26 October 1999
                : 18 April 2000
                : 18 July 1999
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 16, Pages: 0
                Product

                SciELO Brazil

                Categories
                Articles

                viability,recalcitrant seed,deterioration,gibberellins,Gibberellic acid

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