Effects of Scape-injected 1-Aminocyclopropane-1-carboxylic Acid (ACC) on the Vase Life of `Testarossa' Cut Gerberas

in Journal of the American Society for Horticultural Science
Authors:
D. GerasopoulosNAGREF, Agricultural Research Center of Macedonia and Thrace, P.O. Box 312, Thermi-Thessaloniki 57001, Greece

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and
B. ChebliDepartment of Horticulture, Mediterranean Agronomic Institute of Chania, P.O. Box 85, Chania 73100, Greece

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`Testarossa' gerbera (Gerbera jamesonii Bolus) scapes were injected with distilled water (control), or 0.3, 0.6, and 0.9 mm ACC at harvest, then held at 20 °C for 15 days in a preservative solution. PAL activity and ethylene production increased within 1 day proportionally to injected ACC. ACC injection reduced bending incidence, inhibited flower scape elongation, enhanced firmness of the flower scapes and increased vase life. Flower scapes treated with ACC reached full maturity 3 days before the end of vase life of the control, which bent before reaching full maturity.

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