Postharvest treatments to increase water uptake and the vase life of<i>Leptospermum scoparium</i>Forst

Burge, G. K.; Bicknell, Ross; Dobson, B.G.

doi:10.1080/01140671.1996.9513974

Cited by 20 publications

(10 citation statements)

References 6 publications

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“…Our finding is consistent with this study. Beginning of the senescence phase in cut flowers is characterized by a decrease in fresh weight and water uptake (BURGE et al, 1996;ADACHI et al, 2000;GOTO, 2002).…”

Section: Discussionmentioning

confidence: 99%

Changes in postharvest physio-biochemical characterustics and antioxidant enzymes activity of cut alsteroemeria aurantiaca flower as affected by cycloheximide, coconut water and 6-benzyladenine

Kaviani¹,

Hashemabadi²,

Matak³

2017

Biosci. J.

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Early leaf yellowing in cut alstroemeria (Alstroemeria aurantiaca) flowers before flower development and petal abscission is an important limiting postharvest quality and vase life factors. Early leaf senescence reduces postharvest longevity of cut flowers and promotes petal's wilting. A study was made to evaluate the response of cut alstroemeria flowers at varying concentrations of cycloheximide (CHI) (50, 100 and 200 mg l -1 ), coconut water (5, 10 and 20%) and 6-benzyladenine (BA) (50, 100 and 200 mg l -1 ). CHI, coconut water and BA extended the vase life at all concentrations compared to the control, but coconut water at 5% concentration (with 17.39 days) was the most effective treatment. Control cut flowers showed the least vase life (10.76 days). Ethylene production in cut flowers promoted flower senescence. All concentrations of CHI, coconut water and BA delayed ethylene production compared to the control. Treatment of cut flowers with coconut water at concentration of 5% maintained the highest fresh weight of flowers and increased the content of water uptake. The chlorophyll degradation was significantly reduced by the application of CHI, coconut water and BA. The maximum content of membrane's lipid peroxidation and antioxidant enzymes activity (super oxide dismutase and peroxidase) was obtained in control cut flowers. Thus, 5% fresh coconut water has the potential to be applied as vase solution (preservative medium) due to prolongs of cut alstroemeria flowers.

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Section: Discussionmentioning

confidence: 99%

Changes in postharvest physio-biochemical characterustics and antioxidant enzymes activity of cut alsteroemeria aurantiaca flower as affected by cycloheximide, coconut water and 6-benzyladenine

Kaviani¹,

Hashemabadi²,

Matak³

2017

Biosci. J.

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“…The stems had a high water uptake compared with many cut flower crops. Other cut flowers with a high water uptake include gentians (eason et al 2004), Leptospermum scoparium (Burge et al 1996), Thryptomene (Jones et al 1993), and roses (Durkin 1980). The water uptake of stems cut at the mature bud stage declined from day 5 and stem weight declined from day 5 when held in water, but this was delayed until day 12 when held in sucrose vase solution.…”

Section: Discussionmentioning

confidence: 99%

Postharvest characteristics ofHebe‘Wiri Desire’

Burge¹,

Morgan

Debenham

et al. 2007

New Zealand Journal of Crop and Horticultural Science

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Hebe 'Wiri Desire' has racemes with c. 200 crimson flowers. This study of postharvest characteristics used cut stems, each with two racemes. Flower buds continued to open on stems cut just before first flower opening. Nearly all buds opened within 4 days of harvest. Flowers opened on racemes with less mature buds, 7 days later than on stems with mature buds about to open. Flowers started to fade c. 8 days after harvest, but 2% or 4% sucrose vase-solution greatly reduced fading. Ethylene only slightly increased flower fading. Flower drop in controls was only 1.2-2.4 flowers/stem. Ethylene (9 µl/litre) greatly increased flower drop during the 24h treatment and in the subsequent 24h. Silver thiosulphate (STS) pulse treatments before ethylene treatment prevented ethylene-induced flower drop. Hebe could be developed as a cut flower with STS postharvest pulse treatments and sucrose vasesolution or pulse treatments.

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“…Sulphate (HQS) and citrate (HQC) are the most commonly used HQ compounds in flower handling (Table 1) (Halevy and Mayak, 1981;Loubaud and Van Doorn, 2004;Van Doorn, 1997); however, 8-HQS promotes stomatal closure in addition to having biocidal activity (Burge et al, 1996). Stoddard and Miller (1962) demonstrated that 8-HQS closes stomata and thereby reduces water loss.…”

Section: -Hydroxyquinolinementioning

confidence: 99%

“…Weinberg (1957) cited Zentmyer (1943), who noted in the relatively early literature that 8-HQ compounds might be biologically active due to their chelating ability. Zentmyer (1943) 8-HQS has proven efficacy in extending the vase life of many cut flower species when included in vase solutions (Burge et al, 1996;Ichimura et al, 1999). Cut flowers of chrysanthemum 'Forester' and Calendula officinalis were stood in vase solutions containing 8-HQS at 100, 200, and 400 mg·L −1 (Hussein, 1994).…”

Section: -Hydroxyquinolinementioning

confidence: 99%

When is a Vase Solution Biocide not, or not only, Antimicrobial?

Damunupola

Joyce

2008

J. Japan. Soc. Hort. Sci.

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The vase life of cut flowers and foliage is often shortened by vascular occlusions that constrict vase solution supply. Reductions in stem conductivity are typically caused by blockage of cut stem ends and xylem conduits by microbes, physiological plugging, and disruption of water columns in xylem vessels by cavitation and air emboli. Cut flower and foliage longevity can be greatly affected by the chemical composition of the vase solution. Provision of biocides prolongs the vase life of numerous species. A broad range of biocides has been suggested to prevent the proliferation of microorganisms in vase solutions; however, their assumed antimicrobial action may be confounded by their other physicochemical effects. In this context, the response of cut stems to biocides may also vary according to the cut flower or foliage type, the specific microorganisms involved, and other vase solution ingredients. This paper explores the efficacy and multifunctional roles of vase solution biocidal agents used in industry and by researchers for cut flowers and foliage.

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Postharvest treatments to increase water uptake and the vase life ofLeptospermum scopariumForst

Cited by 20 publications

References 6 publications

Changes in postharvest physio-biochemical characterustics and antioxidant enzymes activity of cut alsteroemeria aurantiaca flower as affected by cycloheximide, coconut water and 6-benzyladenine

Changes in postharvest physio-biochemical characterustics and antioxidant enzymes activity of cut alsteroemeria aurantiaca flower as affected by cycloheximide, coconut water and 6-benzyladenine

Postharvest characteristics ofHebe‘Wiri Desire’

When is a Vase Solution Biocide not, or not only, Antimicrobial?

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