Stimulating Postharvest Characteristics and Artificial Coloring of Gladiolus (Gladiolus hybrid cv. White prosperity) Cut Spikes.

Document Type : Original Article

Authors

Veget. & Floric. Dept., Fac. Agric., Mansoura Univ.

Abstract

This investigation was conducted to evaluate the influence of some edible colors and plant growth regulators in the pulsing treatments of gladiolus cut spikes. 25ppm GA3 and 5ppm kin with two pulsing periods (1 and 2 hours) for each, plus the distilled water as a control were used. Each growth regulator treatment was trans-located into nine dyeing treatments, as two edible colors [ponceau 4R (red) and brilliant blue (blue)] were used under two concentrations (3 and 6 g/l) for two dyeing periods (2 and 3 hours), beside the control (distilled water without any dyeing substance). The results showed that the superior combination of 25 ppm GA3 for 2h and 6 g/l blue dye for 3h, recorded the highest values of the vase life, change of fresh weight water loss, water balance and finally the least average of bacterial count.  

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