<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The effect of flower weight on changes in the vase life of flowers and leaves of waxflowers was studied by evaluating the arranged flower weight of cultivars derived from the <italic>Chamelaucium uncinatum</italic>, <italic>Chamelaucium megalopetalum</italic> and <italic>Verticordia</italic> species. Competition for water and carbohydrates between flowers and leaves influenced vase life. The removal of flowers had at least four times the effect on leaf vase life as the removal of leaves on flower vase life. Supplying exogenous sucrose to satisfy the demand for carbohydrates negated this effect, indicating that flowers depend on carbohydrates being supplied from leaves to maintain vase life. Cultivars with a greater proportion of flowers (on a weight basis) improved the vase life of flowers at the expense of the leaves. Cultivars with large flowers or many small flowers or a greater weight ratio of flowers to stem appeared to draw more carbohydrates and water from the leaves, giving them a longer vase life and decreasing the vase life of the leaves. The vase life of flowers increased with the stage of opening of flowers up to 50% opening and then decreased up to 100% opening.</p></abstract>

The effect of flower weight on changes in the vase life of flowers and leaves of waxflowers was studied by evaluating the arranged flower weight of cultivars derived from the Chamelaucium uncinatum, Chamelaucium megalopetalum and Verticordia species. Competition for water and carbohydrates between flowers and leaves influenced vase life. The removal of flowers had at least four times the effect on leaf vase life as the removal of leaves on flower vase life. Supplying exogenous sucrose to satisfy the demand for carbohydrates negated this effect, indicating that flowers depend on carbohydrates being supplied from leaves to maintain vase life. Cultivars with a greater proportion of flowers (on a weight basis) improved the vase life of flowers at the expense of the leaves. Cultivars with large flowers or many small flowers or a greater weight ratio of flowers to stem appeared to draw more carbohydrates and water from the leaves, giving them a longer vase life and decreasing the vase life of the leaves. The vase life of flowers increased with the stage of opening of flowers up to 50% opening and then decreased up to 100% opening.

The vase life of waxflower (<italic>Chamelaucium</italic> Desf.) is affected by the weight ratio of flowers to stem

Potato, Vegetable and Flower Research Center, Thai phien village, Ward 12, Da Lat, Lam Dong,

Department of Agriculture and Food Western Australia, 3 Baron-Hay Court, South Perth, WA 6151,

Department of Environment and Agriculture, Curtin University, Kent St., Bentley, Perth, WA 6102,

Folia Horticulturae

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The vase life of waxflower ( Desf.) is affected by the weight ratio of flowers to stem

The effect of flower weight on changes in the vase life of flowers and leaves of waxflowers was studied by evaluating the arranged flower weight of cultivars...

The vase life of waxflower (Chamelaucium Desf.) is affected by the weight ratio of flowers to stem

Publié en ligne: 28 déc. 2016

Pages: 201 - 207

Reçu: 09 mars 2016

Accepté: 08 nov. 2016

DOI: https://doi.org/10.1515/fhort-2016-0024

Mots clés
carbon hydrate, flower weight, leaves, sources and sinks, vase life, waxflowers, water competition

© 2016 Cao D. Dung et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The vase life of waxflower (Chamelaucium Desf.) is affected by the weight ratio of flowers to stem

Publié en ligne: 28 déc. 2016

Pages: 201 - 207

Reçu: 09 mars 2016

Accepté: 08 nov. 2016

DOI: https://doi.org/10.1515/fhort-2016-0024

Mots cléscarbon hydrate, flower weight, leaves, sources and sinks, vase life, waxflowers, water competition

© 2016 Cao D. Dung et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
carbon hydrate, flower weight, leaves, sources and sinks, vase life, waxflowers, water competition