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A.M. Armitage, N.G. Seager, I.J. Warrington, D.H. Greer, and J. Reyngoud

Incremental increases in temperature from 14 to 22 to 30C resulted in linear increases in stem length and node number and decreases in stem diameter and stem strength of Oxypetalum caeruleum (D. Don.) Decne. Higher temperatures also resulted in additional flower abortion, reduced time to flowering, and fewer flowering stems per inflorescence. Reduction in the photosynthetic photon flux (PPF) from 695 to 315 μmol·s-1·m-2 had similar effects as increasing the temperature on vegetative characteristics, but had little effect on reproductive ones. The rate of stem elongation was greatest at low PPF for all temperatures and at high temperature for all PPF treatments. Net photosynthesis rose between 14 and 22C and declined at 30C for all PPF treatments. Long photoperiods (12 or 14 hours) resulted in longer internodes, longer stems, and more flowers per cyme than short photoperiods (8 or 10 hours), but photoperiod had little effect on flowering time. Treatments to reduce latex coagulant and silver thiosulfate treatments had no significant effect on vase life.

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Iftikhar Ahmad, John M. Dole, and Frank A. Blazich

Many post-production factors affect vase life of cut flowers including developmental stage at harvest, temperature during the vase period, water loss, and various aspects of the vase solution such as sucrose levels, microbial populations, pH

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Jing Ma, Zheng Li, Bin Wang, Shunzhao Sui, and Mingyang Li

., 2000 ; Sane et al., 2007 ; Vriezen et al., 2000 ). Wintersweet, which blossoms particularly in winter, is one of the important woody cut ornamental flowers with high economic value that thrives in central south and southwest China. The vase life of

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Alicain S. Carlson and John M. Dole

, but extreme temperatures within that range can stress plants resulting in pest/disease problems, unacceptably long production times, or reduced inflorescence quality ( Dole and Wilkins, 2005 ). A number of factors influence vase life after harvest

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Nathan J. Jahnke, Jennifer Kalinowski, and John M. Dole

( Tulipa hybrids) and dutch iris ( Iris × hollandica ) are popular cut flower species commonly produced during cool spring seasons. These species have a relatively short storage and vase life ( Dole et al., 2017 ). Forcers can achieve a longer stem length

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Andrew J. Macnish, Ria T. Leonard, Ana Maria Borda, and Terril A. Nell

treatment of 27 rose cultivars with 0.5 μL·L −1 ethylene for 2 d accelerated, inhibited, or had no effect on rates of flower opening. The effects of ethylene on vase life were, however, not reported. Observations by commercial growers suggest that current

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Alicia L. Rihn, Chengyan Yue, Charles Hall, and Bridget K. Behe

nature of cut flowers, the time spent in transit and transportation conditions adversely affect cut flower postharvest vase life ( Dole and Wilkins, 1999 ). The highly perishable nature of cut flowers amplifies the importance of postharvest vase life

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Ravi Bika, Cristi Palmer, Lisa Alexander, and Fulya Baysal-Gurel

the management of postharvest B. cinerea infection and postharvest vase life of bigleaf hydrangea cut flowers. The fungicides and biorational products were also assessed for phytotoxicity and application residue on cut flowers. The results of this

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Cristian E. Loyola, John M. Dole, and Rebecca Dunning

, timing, vase life, weak stems, and zinnia meltdown ( Tables 8 – 10 ). Hydration was a problem for the postharvest of blue flossflower (10.0%), delphinium (11.1%), hydrangea (28.3%), viburnum (16.7%), and yarrow (20%). None of these species hydrate easily

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Iftikhar Ahmad, Muhammad B. Rafiq, John M. Dole, Bilal Abdullah, and Kinza Habib

containing 300 mL of vase solution. Stem ends of the flowers pulsed with sucrose solution were rinsed with tap water to remove excessive sugar attached with the stems to reduce microbial contamination, before placing in jars. Stems were kept in a vase life