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KMID : 0903619960370050719
Journal of the Korean Society for Horticultural Science
1996 Volume.37 No. 5 p.719 ~ p.725
Effect of Postharvest Pretereatment, Recutting Stems in Water, and Carbonated Soft Drink Treatment on Vaselife and Flower Quality of Cut Rose ´Mary de Vor´


Abstract
This experiment was conducted to find out the effects of postharvest pretreatment, stem recutting in water and carbonated soft drink on vaselife and flower quality of cut rose ´Mary de Vor´. Roses were pretreated with 3 mM Al₂(SO₄)₃ for ten minutes followed by immersion for four hours in 3% sucrose solution, then their stem ends were recut in the air and then the stems were put in distilled water (Pret). Another roses were kept in tap water for two hours, and their stem ends were recut in the water and then put in distilled water (Stem). The other roses were 25% carbonated soft drink + 10 ppm NaOCl solution after being kept in tap water for two hours before their stem ends were recut in the air (Carb). These three treatments (Fret, Stem, and Carb) were also combined as Pret × Stem, Pret × Carb and Pret × Stem × Carb soft drink. Firstly, any of Pret, Stem, and Carb was better than the control both in single treatment and in combination treatment, and Carb was excellent, and Pret and Stem were a little effective and they showed a similar trend. Secondly, in the comparision of the single and the combination of these three treatments, Pret and Stem were a little better in combination than in single but Cart was better in single than in combination. In conclusion, in the method of postharvest treatment to preserve the quality of cut rose ´Mary de Vor´ , the single treatment of Carb was proved to be the most effective among the single and the combination treatments of Pret, Stem, and Carb with the most prolonged vaselife, the highest degree of flower opening and the lowest degree of bent neck until the last day of this experiment.
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