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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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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

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-vase dry storage (dehydration) has detrimental effects on lily vase life. Using two O cultivars and one LA cultivar with four dehydration treatments, we tested the hypothesis that dehydration reduces subsequent water uptake and postharvest quality

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Abstract

Rating scales and their descriptions are described for spadix condition, spathe discoloration, and gloss for anthurium inflorescence.

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met one or more of these criteria. Vase life. Vase life trials were performed by collecting one marketable flower from each cultivar in each plot during flower harvests on 17 and 20 Jan. 2014 (trial 1), and again on 12, 14, and 18 Feb. 2014 (trial 2

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length, disease resistance, and postharvest longevity ( Satoh et al., 2005 ). Most carnation cut-flower studies have focused on improving vase life and postharvest quality vs. marketability ( Chang-li et al., 2011 ; Hamidimoghadam et al., 2014 ; Heins

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vase life. Both spray and dip methods were effective, but spray resulted in more flowers with areas of heightened glow, likely because of residual water droplets, than dip. Future research should evaluate different glow-in-the-dark products, rates

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d at 21 °C in air and with no preconditioning treatment, desiccation and abscission of flowers at the inflorescence base are observed, by which time the functional vase life has ended ( Davis et al., 1994 ; Mackay et al., 1999 ; Sankhla et al

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Several treatments were investigated for increasing vase life of cut `Renaissance Red' poinsettia (Euphorbia pulcherrima Willd. ex Klotzsch.) stems. A vase life of at least 20.6 days resulted when harvested stems were placed directly into vases with 22 °C deionized water plus 200 mg·L-1 8-HQS (the standard floral solution used) and 0% to 1% sucrose without floral foam. Maturity of stems at harvest, ranging from 0 to 4 weeks after anthesis, had no effect on vase life or days to first abscised leaf. Pretreatments immediately after harvest using floral solution heated to 38 or 100 °C, or 1 or 10-min dips in isopropyl alcohol, had no effect, whereas 24 hours in 10% sucrose shortened vase life by 6.4 days and time to first abscised cyathium by 4.5 days. Stem storage at 10 °C decreased vase life, particularly when stems were stored dry (with only 0.8 days vase life after 3 weeks dry storage). Increasing duration of wet storage in floral solution from 0 to 3 weeks decreased vase life from 21.5 to 14.6 days. Placing cut stems in a vase containing floral foam decreased time to first abscised leaf by 3.7 to 11.6 days compared with no foam. A 1% to 2% sucrose concentration in the vase solution produced the longest postharvest life for stems placed in foam but had little effect on stems not placed in foam. A 4% sucrose concentration decreased vase life compared with lower sucrose concentrations regardless of the presence of foam. Holding stems in the standard floral solution increased vase life and delayed leaf abscission compared with deionized or tap water only, with further improvement when stem bases were recut every three days. Commercial floral pretreatments and holding solutions had no effect on vase life and days to first abscised cyathium but delayed leaf abscission.

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Abstract

Snapdragons (Antirrhinum majus L.) preconditioned or held in floral preservative solutions containing the ethoxy analog of rhizobitoxine showed reduced ethylene production, reduced flower abscission, and increased vase life. The methoxy analog of rhizobitoxine also inhibited ethylene production and increased vase life of snapdragons, but to a lesser extent. Sodium benzoate at 0.2 mm suppressed ethylene production but did not increase vase life; at 2.0 mm sodium benzoate was toxic to flowers.

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