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UV supplementation for growth regulation and disease control.

Wargent, Jason J. and Taylor, A. and Paul, Nigel D. (2006) UV supplementation for growth regulation and disease control. Acta Horticulturae, 711. pp. 333-338. ISSN 0567-7572

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Abstract

The benefits of supplementary ultraviolet radiation (UVB: 280-320nm) in protected lettuce were investigated in controlled environment studies. Exposure to UV-B prior to inoculation with a conidial suspension of Bremia lactucae (lettuce downy mildew) led to significant reduction in the subsequent sporulation of the pathogen. In addition to disease control, UV treatments increased leaf thickness, reduced leaf area and increased leaf pigmentation in a red-leaved cultivar. Such changes in leaf area and thickness are important quality factors that would be expected to improve plant performance after transplantation into the field. The aim of further studies will be to test such findings in a commercial glasshouse environment.

Item Type: Article
Journal or Publication Title: Acta Horticulturae
Uncontrolled Keywords: ultraviolet radiation ; spectral modification ; downy mildew ; plant biomass ; crop quality
Subjects: Q Science > QH Natural history > QH301 Biology
Departments: Faculty of Science and Technology > Engineering
Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 9571
Deposited By: Jason Wargent
Deposited On: 16 Jun 2008 11:50
Refereed?: Yes
Published?: Published
Last Modified: 06 Sep 2013 21:24
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/9571

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