Effects of Daffodil Flowers and Cobalt Chloride on Vase Life of Cut Rose



The effects of postharvest application of cobalt chloride were investigated on vase life of rose stood individually in vials and the other ones placing daffodil flowers in a vase with a rose flower.  Therefore, roses were treated with: CoCl2 (100, 200, 300 mg L-1, respectively) or distilled water (control). The results showed that the decreased vase life of rose flowers, after daffodil was placed in their vase water, is due to daffodil mucilage, which blocks water up take, mainly as a result of increased bacterial growth. Cobalt chloride inhibited vascular blockage in the stem of rose and maintained a high water flow rate through stems, leading to significantly water uptake by cut flowers.


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