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http://dx.doi.org/10.7732/kjpr.2011.24.4.445

Effect of Moss (Hypnum jutlandicum) Extracts and Mixing Treatments with Preservatives on Vase Life of Rosa hybrida 'Enjoy'  

Park, Kyoung-Hee (Department of Horticultural Science, Chungbuk National University)
Shin, So-Lim (Department of Horticultural Science, Chungbuk National University)
Lee, Cheol-Hee (Department of Horticultural Science, Chungbuk National University)
Publication Information
Korean Journal of Plant Resources / v.24, no.4, 2011 , pp. 445-455 More about this Journal
Abstract
This study was performed to develop a natural preservative which had the most successful effect on prolonging the vase life of cut flowers Rosa hybrida 'Enjoy'. To determine the effect of sucrose on vase life of cut roses, R. hybrida 'Enjoy', 0, 1, 3 or 5% of sucrose was mixed with Hypnum jutlandicum extract. The result showed that in the case of adding sucrose to extracts from H. jutlandicum, vase life of cut flowers was shortened, along with the cut flowers losing chlorophyll, becoming decolorized and finally showing wilting phenomenon. However, using hydroxy quinoline sulfate (HQS) and extracts from H. jutlandicum together exhibited an improved effect of prolonging vase life, especially when adding 100 $mg{\cdot}L^{-1}$ HQS, which had the effect of prolonging the vase life of R. hybrida 'Enjoy' the most. Regarding pH of extracts, 2 $mg{\cdot}L^{-1}$ of extracts from H. jutlandicum show originally pH 3.8. This was compared with adjusted extract solutions as pH 3.0, 4.0 or 5.0. The results showed that the solution of pH 3.8 had the most successful effect on prolonging the vase life of R. hybrida 'Enjoy'. Given all the results, H. jutlandicum extract (2 $mg{\cdot}L^{-1}$) and HQS (100 $mg{\cdot}L^{-1}$) was the most effective in prolonging the vase life of cut R. hybrida 'Enjoy'. Moss is expected to be worth developing as a natural preservative since it is easy to get and causes no damage to the environment.
Keywords
Natural preservative; Hydroxy quinoline sulfate; Sucrose; pH; Moss; Vase life;
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Times Cited By KSCI : 3  (Citation Analysis)
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