Home > IX International Symposium on Flower Bulbs > EFFECTS OF GIBBERELLIC ACID ON THE VASE LIFE OF CUT PATUMMA (CURCUMA ALISMATIFOLIA GAGNEP.) ‘CHAING MAI’ FLOWERS

Articles

EFFECTS OF GIBBERELLIC ACID ON THE VASE LIFE OF CUT PATUMMA (CURCUMA ALISMATIFOLIA GAGNEP.) ‘CHAING MAI’ FLOWERS

Article number

673_70

Pages

525 – 529

Language

English

Abstract

Cutflowers of Patumma (Curcuma alismatifolia Gagnep.) Chaing Mai were held in 50-200 ppm gibberellic acid (GA₃) or distilled water (control) at 25°C with 75-80% relative humidity.
GA₃ at 100 ppm increased vase life by four days compared to the control (10 days). Increasing the concentration to 150-200 ppm did not correspondingly extend vase life despite improvement in weight retention, absorption capacity and water conductivity of stem tissues.
The vase life of the flower held in 150-200 ppm GA₃ was similar to that with 100 ppm GA₃. GA₃ did not generally affect respiration rate but significantly reduced ethylene production.
At lower concentration of 50 ppm GA₃, responses of the flowers were comparable to the control.

Publication

IX International Symposium on Flower Bulbs

Authors

T. Kjonboon, S. Kanlayanarat

Keywords

patumma, Curcuma alismatifolia Gagnep., gibberellic acid, postharvest physiology, vase life

Full text

https://doi.org/10.17660/ActaHortic.2005.673.70

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K.J. Kim | K.S. Kim

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J. Treder

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