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      Influence of different levels of aluminum on the development of citrus rootstock swingle citrumelo (Citrus paradisi mcf. x Poncirus trifoliata raf.) in nutrient solution

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          Abstract

          This work aimed at evaluating the influence of different levels of aluminum on the physiological parameters of the citrus rootstock Swingle Citrumelo in hydroponic solution. The experiment was carried out with a completely randomized design with three replications, subdivided in several lots. The levels of aluminum used were: 0, 7.5, 15, 22.5 and 30 mg L-1 in form of AlCl3.6H2O in nutrient solution. Following physiological parameters were evaluated: specific and relative foliar area, relative foliar mass, and the ratio of aerial part dry matter/root system dry matter. The results showed that aluminum did not influence the parameters evaluated except the specific foliar area, which decreased starting at the 7.5 mg L-1 level.

          Translated abstract

          O presente trabalho teve como objetivo avaliar a influência de diferentes níveis de alumínio nos parâmetros fisiológicos do porta-enxerto cítrico citrumeleiro Swingle em cultivo hidropônico. O experimento foi conduzido seguindo o delineamento estatístico inteiramente casualizado, com 3 repetições, em parcelas subdivididas. Os níveis de alumínio utilizados foram: 0, 7,5, 15, 22,5 e 30 mg L-1, na forma de AlCl3 6.H2O em solução nutritiva. Foram avaliados os parâmetros fisiológicos área foliar específica, razão de área foliar e massa foliar, relação matéria seca da parte aérea/matéria seca do sistema radicular. De acordo com os resultados obtidos nestas condições, conclui-se que os níveis de alumínio não influenciaram nos valores dos parâmetros acima discutidos, excetuando-se a AFE, havendo decréscimos destes valores a partir de 7,5 mg L-1 de alumínio.

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          Most cited references14

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          The Physiology of Metal Toxicity in Plants

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            Mineral nutrition of higher plants

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              Análise de crescimento de plantas

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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
                : 1
                Affiliations
                [01] Botucatu SP orgnameUNESP orgdiv1Institute of Biosciences orgdiv2Departament. of Botany
                [02] Botucatu SP orgnameUNESP orgdiv1School of Agronomic Sciences orgdiv2Departament of Soil Sciences
                [03] Botucatu SP orgnameUNESP orgdiv1Institute of Biosciences orgdiv2Departament of Botany
                [04] Botucatu SP orgnameUNESP orgdiv1Institute of Biosciences orgdiv2Departament of Biostatistics Brazil
                Article
                S1516-89132000000100004 S1516-8913(00)04300104
                10.1590/S1516-89132000000100004
                62e740c7-98f0-4365-85ff-d84aca7441d0

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

                History
                : 29 March 1999
                : 25 August 1999
                : 17 November 1998
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 19, Pages: 0
                Product

                SciELO Brazil

                Categories
                Articles

                mineral nutrition,aluminum,rootstocks,Citrus,growth analysis

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