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Efeito de reguladores de crescimento sobre os teores de ácido ascórbico e carboidratos solúveis de morango (Fragaria hybridus)

The effect of growth regulators on ascorbic acid and solubre carbohydrates contents of strawberry fruit (Fragaria Hybridus)

Resumos

Foram feitas aplicações dos seguintes reguladores de crescimento em morango (Fragarm hybridus): SADH a 5000 ppm, CCC a 2000 ppm, ATA a 10 ppm (3 aplicações), ácido giberélico a 10 ppm (3 aplicações) e 550 ppm. Análises de peso seco, ácido ascórbico e carboidratos solúveis dos frutos foram efetuadas a fim de se estudar o efeito desses reguladores de crescimento. Não foram detectadas diferenças significativas entre os diversas tratamentos e o controle. O peso seco variou de 7,62 a 9,53%. O conteúdo de ácido ascórbico variou de 35,88 a 71,81 mg/100 g de peso fresco. Os teores médios de carboidratos solúveis, expresso em g/100 g peso fresco, foram: totais (5,58), sacarose (1,01), glucose (1,63) e frutose (1,54).


Several growth regulators were sprayed on strawberry plants: SADH (5000 ppm), CCC (2000 ppm), IAA (10 ppm, 3 times), GA 10 ppm, 3 times) and GA (550 ppm), Ascorbic acid, dry weight and soluble carbohydrates contents of fruits were determined. Statistically differences were not observed between treatments and control. Dry weight varied from 7.62 to 9.53%. Ascorbic acid content varied from 35.88 to 71.81 mg/100 g on fresh weight basis. Mean values of soluble carbohydrates, in grams/100 g on fresh weight basis, were total (5.58), sucrose (1.01), glucose (1.63) and frutose (1.54).


Efeito de reguladores de crescimento sobre os teores de ácido ascórbico e carboidratos solúveis de morango (Fragaria hybridus)

The effect of growth regulators on ascorbic acid and solubre carbohydrates contents of strawberry fruit (Fragaria Hybridus)

Luiz Eduardo GutierrezI; Paulo R. C. CastroII; Keigo MinamiIII; Wilson P. Cesar JuniorIV

IDepartamento de Química, E.S.A. "Luiz de Queiroz"

IIDepartamento de Botânica, E.S.A. "Luiz de Queiroz"

IIIDepartamento de Agricultura e Horticultura, ESALQ

IVEstagiário junto ao Departamento de Química

RESUMO

Foram feitas aplicações dos seguintes reguladores de crescimento em morango (Fragarm hybridus): SADH a 5000 ppm, CCC a 2000 ppm, ATA a 10 ppm (3 aplicações), ácido giberélico a 10 ppm (3 aplicações) e 550 ppm. Análises de peso seco, ácido ascórbico e carboidratos solúveis dos frutos foram efetuadas a fim de se estudar o efeito desses reguladores de crescimento. Não foram detectadas diferenças significativas entre os diversas tratamentos e o controle. O peso seco variou de 7,62 a 9,53%. O conteúdo de ácido ascórbico variou de 35,88 a 71,81 mg/100 g de peso fresco. Os teores médios de carboidratos solúveis, expresso em g/100 g peso fresco, foram: totais (5,58), sacarose (1,01), glucose (1,63) e frutose (1,54).

SUMMARY

Several growth regulators were sprayed on strawberry plants: SADH (5000 ppm), CCC (2000 ppm), IAA (10 ppm, 3 times), GA 10 ppm, 3 times) and GA (550 ppm), Ascorbic acid, dry weight and soluble carbohydrates contents of fruits were determined. Statistically differences were not observed between treatments and control. Dry weight varied from 7.62 to 9.53%. Ascorbic acid content varied from 35.88 to 71.81 mg/100 g on fresh weight basis. Mean values of soluble carbohydrates, in grams/100 g on fresh weight basis, were total (5.58), sucrose (1.01), glucose (1.63) and frutose (1.54).

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LITERATURA CITADA

Entregue para publicação em 20-10-77.

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Datas de Publicação

  • Publicação nesta coleção
    17 Maio 2012
  • Data do Fascículo
    1977

Histórico

  • Recebido
    20 Out 1977
Universidade de São Paulo, Escola Superior de Agricultura Av.Páduas Dias, 11, C.P 9 / Piracicaba - São Paulo, Brasil, tel. (019)3429-4486, (019)3429-4401 - Piracicaba - SP - Brazil
E-mail: scientia@esalq.usp.br