Chrysanthemum(Dendranthema grandiflorum L.)belongs to Asteraceae family and commonly farmed all around the world today (Doleand Wilkins, 2004; Hashemi et al., 2013) and ranked as the second mosteconomically important cut flower after rose (Kafi and Ghahsareh, 2009). Studieson postharvest life of chrysanthemum cut flowers have shown to have long vaselifeby 8-10 days longer because it is not sensitive to ethylene. However, water stress as a result of vascular occlusion has been reported as animportant factor in reducing the quality of chrysanthemum cut flowers (Halevyand Mayak, 1979; Adachi et al.
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, 1999; Nabigol et al., 2005) and theformation of air embolism within the stems prevents nutrient and watertransport in vascular system which will ultimately result in increasedhydraulic resistance and water stress of chrysanthemum cut flower. Cutflowers vaselife is mainly affected by two factors, namely ethylene and microorganisms. Ethylene accelerates the senescence of multiple flowers and microorganisms causeby vascular blockage and thus result to reduce the vaselife of cut flowers (VanDoorn, 1994, Zencirkiran, 2005; Zencirkiran, 2010). The active solution 1-methylcyclopropene(MCP), preservative for flowers is used to retain freshness of fresh cutflowers (Asil et. al., 2013). It can preventthe aging of fresh cut flowers caused by ethylene, controlling its wither and bloombefore maturity, decrease the browning, yellowing and dropping of flower and leaves.
Especially, it can slow down the aging reaction of fresh cut flowers when thereis trace ethylene in the storage, transportation and saleenvironment which extend the life of fresh cut flowers. 2 2 On theother hand, Chrysal CVBN neutralizes the damaging effect of daffodil slime inmixed bouquets (Hunter, 2004), an easy-to-use stable tablet that dissolves quickly and produces clear andodorless water, a conditioner for cut flowers used by growers, bouquet makers orflorists. Not harmful to flowers and maintains a good quality of leaves andflowers. Chrysalprovides nutritional supplements to the flower for optimum bloom and a long vaselifefor the consumer (Services: Private label design, FAQ and care information). Insome cases, the lifespan even doubles. The use of these products creates anadded value for the entire horticultural chain: from grower to retailer toconsumer (Wiegel, 2012).
Inaddition of cut flower food, Molasses or sugar continues to feed flowers afterthey are cut, helping unopened buds to open and extending the life and vitalityof open flowers (Prince, 1988) molasses is a viscous by-product of refiningsugarcane or sugar beets into sugar. It varies by amount of sugar, method ofextraction, and age of plant. Sugar feed is the most important addition to anyhomemade plant food. The lower pH does help the flowers absorb more water, butmore importantly, the acidified water creates a hostile environment formicrobes.
Microbes, fed on decaying plant material and especially at any sugar addedbase. Tap water is usually about neutral at 7. 0, and for cut flowers it is bestto bring pH down to 3. 5 or 4. 0 (Tayama et. al., 1988).