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      Maçã 'Gala' armazenada em atmosfera controlada e tratada com aminoetoxivinilglicina e ethephon Translated title: 'Gala' apple stored in controlled atmosphere and treated with aminoethoxyvinylglycine and ethephon

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          Abstract

          O objetivo deste trabalho foi avaliar o efeito da aplicação pré-colheita de aminoetoxivinilglicina (AVG) e ethephon sobre a qualidade da maçã 'Gala', armazenada em atmosfera controlada. Os tratamentos avaliados foram: controle; ethephon (140 g ha-1); AVG (125 g ha-1); AVG (125 g ha-1) + ethephon (140 g ha-1); AVG (95 g ha-1); e AVG (95 g ha-1) + ethephon (140 g ha-1). Os tratamentos foram associados a três épocas de colheita: 131, 138 e 145 dias após pleno florescimento. O AVG e o ethephon foram aplicados, respectivamente, aos 30 e aos 7 dias antes da primeira colheita. A aplicação pré-colheita de AVG, combinado ou não com ethephon, proporcionou a obtenção de frutos mais firmes e com a cor de fundo da epiderme mais verde ao final do armazenamento, além de diminuir a ocorrência de podridões, distúrbios fisiológicos, a produção de etileno e a respiração dos frutos. Frutos tratados com ethephon apresentaram qualidade estatisticamente semelhante aos do tratamento controle. A aplicação de ethephon em plantas previamente tratadas com AVG não afetou a eficiência do AVG sobre a qualidade das maçãs armazenadas.

          Translated abstract

          The objective of this work was to evaluate the effect of preharvest sprays of aminoethoxyvinylglycine (AVG) combined or not with ethephon on the quality of 'Gala' apples stored in controlled atmosphere. The treatments were: control, ethephon (140 g ha-1), AVG (125 g ha-1), AVG (125 g ha-1) + ethephon (140 g ha-1), AVG (95 g ha-1) and AVG (95 g ha-1) + ethephon (140 g ha-1). These treatments were combined with harvest date at 131, 138 and 145 days after full bloom. The AVG and ethephon were applied 30 and 7 days before the first harvest, respectively. The application of AVG, combined or not with ethephon, afforded fruits with higher flesh firmness, greener peel color, reduced rot and physiological disorders incidence, lowered ethylene production and respiration. Fruits treated with ethephon showed a quality like control fruits. Application of ethephon in AVG treated plants did not affect the efficiency of AVG in the quality of apples after storage.

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          Peach and Nectarine Fruit Softening Following Aminoethoxyvinylglycine Sprays and Dips

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            Continuous Requirement of Ethylene for Apple Fruit Volatile Synthesis

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              Controle da maturação de maçãs (Malus domestica Borkh.) cv. Gala, com aplicação pré-colheita de aminoetoxivinilglicina (AVG)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                pab
                Pesquisa Agropecuária Brasileira
                Pesq. agropec. bras.
                Embrapa Informação Tecnológica (Brasília )
                1678-3921
                September 2005
                : 40
                : 9
                : 837-843
                Affiliations
                [1 ] Universidade Federal de Santa Maria Brazil
                Article
                S0100-204X2005000900001
                10.1590/S0100-204X2005000900001
                0467bed9-9f3e-4288-8603-80df6bd51180

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-204X&lng=en
                Categories
                AGRICULTURE, DAIRY & ANIMAL SCIENCE
                AGRICULTURE, MULTIDISCIPLINARY

                Animal agriculture,General agriculture
                Malus domestica,AVG,quality,qualidade
                Animal agriculture, General agriculture
                Malus domestica, AVG, quality, qualidade

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