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Comparison of susceptibility to postharvest rots of 'Conference' pears produced organically and conventionally

Comparison of susceptibility to postharvest rots of 'Conference' pears produced organically and conventionally

Suleiman, M., Rees, D. ORCID: 0000-0003-3541-0424 and Orchard, J. (2010) Comparison of susceptibility to postharvest rots of 'Conference' pears produced organically and conventionally. In: Herppich, W.B., (ed.) Proceedings of the Third International Conference Postharvest Unlimited 2008. Acta Horticulturae (858). International Society for Horticultural Science, Leuven, Belgium, pp. 251-254. ISBN 978-90-66052-06-2 ISSN 0567-7572

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Abstract

Given the increasing importance of organic produce, a study was carried out to find out how organic production methods affect postharvest and storage quality of ‘Conference’ pears (Pyrus communis). When fruit were taken out of cold storage and artificially infected either with Monilinia fructigena or Penicillium expansum disease development was significantly slower in organic pears than in conventional pears. The effects were more marked for M. fructigena which is the more aggressive pathogen (about 20% inhibition of lesion growth rate), compared with a smaller, but significant effect on P. expansum (5-10% inhibition of lesion growth rate). Organic pears had higher dry matter content (15.6% compared with 14.7%) and were firmer than conventionally-produced fruit, which may affect the rate of pathogen growth. Analysis of total phenols indicated an increase induced by infection by either pathogen, but no significant differences either before or after infection between organically and conventionally-produced pears.

Item Type: Book Section
Additional Information: [1] This paper was first presented at the (3rd) III International Conference Postharvest Unlimited 2008, organized by the International Society for Horticultural Science (ISHS) and held from 5-7 November 2008 in Berlin, Germany. [2] Paper published in ISHS Acta Horticulturae 858: III International Conference Postharvest Unlimited 2008. [2] This title is available both in print and ActaHort CD-rom format.
Uncontrolled Keywords: pear, organic, postharvest, rots, Monilinia, Penicillium
Subjects: S Agriculture > SB Plant culture
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Food & Markets Department
Related URLs:
Last Modified: 20 Dec 2012 09:58
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/7734

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