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Rik van Gorsel and Marc Ravesloot

Postharvest temperature and transport duration affect the vase life of cut flowers. necessitating temperature control throughout the marketing chain. However, in practise interruptions of this cold chain often occur, e.g. at the auction, airport or other transfer points. We investigated the effect of an early interruption of the cold chain on water loss, rate of development and vase life of four cut flower species. The experiment had a factorial design: three durations of interruption (8.16 and 40 h), each at five temperatures (8, 12, 16, 20 and 24C), and three containers (replicates) per treatment. A standard marketing chain simulation and vase life evaluation followed each treatment. Controls were 0 h interruption with and without marketing chain simulation. The experiment was carried out twice for each species. Water loss was proportional to vapor pressure deficit, with a sometimes synergistic effect of temperature. A short exposure to 20C accelerated the development of all flower species compared to continuous 8C. The effect of the higher temperature became more apparent later in the marketing chain. Averaged over the interruption temperatures, a one-day delay in the marketing chain resulted in a one day (Aster and Gypsophila) to three days (Dianthus and Chrysanthemum) decrease in vase life. A temperature of 20C for 40 hours reduced the vase life by 30% to 40% compared to continuous 8C.

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Iftikhar Ahmad, John M. Dole, and Bruno T. Favero

Lilies and gladioli are among the most important cut flowers grown throughout the world. However, leaf chlorosis is a major postharvest disorder that can limit their vase life. The chlorosis starts on lower leaves and proceeds upward, reducing stem

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Aidan D. Farrell, Sarah Evelyn, Adrian M. Lennon, and Pathmanathan Umaharan

life. Within the germplasm, vase life ranges from the extraordinarily long (e.g. greater than 40 d for ‘Honduras’) to the prohibitively short (e.g. less than 15 d for ‘Spirit’) ( Elibox and Umaharan, 2010 ). The mechanisms regulating this variation in

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Lingfang Kong, Fan Li, Ronghui Du, Huaiting Geng, Shifeng Li, and Jihua Wang

; however, its seed yield is huge and seed germination rate is high. Therefore, the development of this ornamental species as cut flowers with an extended vase life is very practical for improving its wild status and promoting the floricultural industry

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Iftikhar Ahmad, John M. Dole, Atyab Amjad, and Sagheer Ahmad

conducted to compare the effectiveness of wet vs. dry storage in maintaining quality and vase life extension of two of the most important U.S. field-grown specialty cut species (lisianthus and zinnia) and two of the most important Pakistan cut flower species

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Farzad Nazari and Mahmoud Koushesh Saba

extend the vase life of gerbera ( Solgi et al., 2009 ) and alstroemeria ( Fazlalizadeh et al., 2013 ; Madadzadeh et al., 2013 ). Ethylene concentration in ambient atmosphere affects the vase life of cut flowers ( Jalili Marandi et al., 2011 ). Many

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David G. Tork, Neil O. Anderson, Donald L. Wyse, and Kevin J. Betts

). Perennial flax has the potential to become a new specialty cut flower for cold climates like Minnesota ( Tork et al., 2019 ), but to the best of our knowledge, there are no existing reports on vase life performance of any Linum species. Vase life studies

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Iftikhar Ahmad and John M. Dole

metabolic processes and continued flower opening during vase life. Among acidifiers, citric acid is the most common compound and is used to lower the pH of the preservative solutions and control microbial proliferation. Citric acid has been found effective

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Shunzhao Sui, Jianghui Luo, Daofeng Liu, Jing Ma, Weiting Men, Lu Fan, Yu Bai, and Mingyang Li

flowers, and it has a high ornamental and economic value. The shrub has also been introduced into Korea, Japan, Europe, America, and Australia ( Zhang and Liu, 1998 ). However, the vase life of cut wintersweet flowers is relatively short, and this has

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Ria T. Leonard, Amy M. Alexander, and Terril A. Nell

is of particular concern since it is known that high temperatures during transport or storage will reduce vase life and quality of many cut flower species and make ethylene-sensitive species more susceptible to ethylene ( Halevy and Mayak, 1973