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Flower senescence in composite flowers, can understanding how dahlia florets senesce help to increase dahlia vase life?

Casey, M., Tansey, Katherine, Andrews, R., Marchbank, Angela, Rogers, Hilary and Stead, A. D. 2019. Flower senescence in composite flowers, can understanding how dahlia florets senesce help to increase dahlia vase life? Acta Horticulturae 1263 , pp. 383-390. 10.17660/ActaHortic.2019.1263.50

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Abstract

The dahlia is popular as an ornamental garden plant in the UK, however, its value as a cut flower has been undermined by its short vase life. The vase life of dahlias is often no more than 5 days, whereas 10-14 days are required by the cut flower industry due to the supply chain involved in transporting cut flowers from growers to retailers, sufficient time in store, and still guaranteeing 5 days vase life to a consumer. The current study has considered ethylene sensitivity and how phytohormones interact with one another during the senescence process. In conjunction with these traditional methods, RNA sequencing and de novo assembly of the dahlia transcriptome in the cultivar 'Sylvia' has been carried out, resulting in an assembly of over 20,000 genes, many of which change in expression during floret senescence.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Medicine
Publisher: International Society for Horticultural Science (ISHS)
ISSN: 0567-7572
Date of First Compliant Deposit: 6 December 2018
Date of Acceptance: 6 December 2018
Last Modified: 18 Jan 2021 16:41
URI: http://orca.cardiff.ac.uk/id/eprint/117467

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