Effects of Dry and Wet Shipping Conditions on Quality, Vase Life, and Physiological Responses of Chrysanthemum morifolium ‘Baekma’ Cut Flowers

다국어 초록 (Multilingual Abstract)

This study was conducted to identify the effects of NaOCl, ClO2, and Chrysal OVB, which are thesolutions used for shipping, on the quality and vase life of chrysanthemum ‘Baekma’ cut flowers.
We also aimed to analyze correlations with vase life by analyzing chlorophyll fluorescence andspectral reflectance of cut flowers subjected to dry and wet shipping. Compared to dry shipping, thewet shipping treatments using solutions of NaOCl, ClO2, and Chrysal OVB resulted in an increaseof fresh weight and flower width, with the leaves remaining in fresh states after transport for 4 days.
In holding solution, the cut flowers transported with 50 mg·L-1 NaOCl had a greater fresh weightand flower diameter as well as a longer vase life of 26 days compared with dry and wet shippingconditions with tap water, ClO2, and Chrysal OVB solution. The cut flowers treated with wet shippingconditions by NaOCl had lower values of ABS/RC and DIo/RC and higher values of Fm/Fo, Fv/Fo,Fv/Fm, TRo/ABS, ETo/TRo, ETo/ABS, Pi_ABS, and ETo/RC among chlorophyll fluorescenceparameters compared to those subjected to dry shipping conditions. Among the parameters, theFv/Fm and ETo/RC exhibited statistically significant correlations with the vase life of cut flowers.
In terms of spectral reflectance, the wet shipping treatment with 50 mg·L-1 NaOCl resulted in lowervalues of CRI, G, MCARI, NPCI, and SIPI that represent the ratio of contents of carotenoid andchlorophyll compared to the dry shipping treatment, whereas SRPI resulted in higher values. Amongthese parameters, the CRI, SRPI, and NPCI manifested a statistically significant correlation with vaselife of cut flowers. Therefore, it was concluded that wet shipping with 50 mg·L-1 NaOCl helpedmaintain quality and vase life of cut flowers of chrysanthemum ‘Baekma’ compared to dry or wetshipping with Chrysal OVB and ClO2 that were used commercially. In addition, the Fv/Fm andETo/RC, representing chlorophyll fluorescence, and CRI, SRPI, and NPCI, representing spectralreflectance, were found to be feasible indicators predicting the vase life of cut flowers.

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