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Longevity and quality of Heliconia psittacorum x H. spathocircinata 'Golden Torch' treated with 8-hydroxyquinoline citrate. Repositório Alice
SOUZA, S. O. de; SOUSA, S. C. C. de; LIMA, M. A. C. de; OLIVEIRA, A. H.; BARBOSA, J. G.; FINGER, F. L..
This study aimed to evaluate the effect of 8-hydroxyquinoline citrate (8-HQC) on the quality and longevity of heliconia ?Golden Torch? inflorescences stored at 23.9±1.8°C and 51±9% RH. The treatments consisted of 0, 100, 200 and 300 mg L-1 8-HQC, evaluated at 0, 2, 4, 6 and 8 days after harvest. The inflorescences were pulsed with 8-HQC for 18 h and subsequently transferred to flasks with distilled water. At every two days, floral appearance, fresh mass, flower opening, chroma and lightness were determined. The floral appearance was influenced by storage time and by the treatment with 8-HQC. However, the values of fresh weight, the flower opening, lightness and chroma were affected only by the number of days in storage. The fresh weight decreased by 1.6%...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Citrato de 8-hidroxiquinolina; Conservação; Planta ornamental; Floricultura; Helicônia; Flower shop; Ornamental plant.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1018916
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Pulsing treatment with gibberellic acid in cut Heliconia psittacorum x H. spathocircinata 'Golden Torch' inflorescences. Repositório Alice
SOUZA, S. O. de; MIQUELOTO, A.; LIMA, M. A. C. de; OLIVEIRA, A. H.; AMARIZ, A.; FINGER, F. L..
The objective of this study was to evaluate the effect of gibberellic acid (GA3) pulsing treatment on the longevity and quality of Heliconia psittacorum × H. spathocircinata ?Golden Torch? inflorescences stored at room temperature. The treatments consisted of 0, 0.25, 0.50 or 1 mM GA3, and storage time of 0, 1, 2, 4, 6, 8 and 10 days. The fresh weight decreased by 2.9% on the tenth storage day. The water uptake increased by 47% within the first four days, followed by reduction at the end of the storage period. There was an increase in the flower opening and decreased levels of soluble sugars in bracts after the treatment, by increasing levels of GA3 (0.25, 0.50 or 1 mM). The inflorescences treated with 0.25, 0.50 or 1 mM GA3 had three expanded bracts...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Ácido giberélico; Amazenamento; Helicônia; Planta ornamental; Pos-colheita; Ornamental plant; Flower shop; Postharvest.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1018919
Registros recuperados: 2
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