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Understanding infection risk factors for integrated disease management of brown rot and grey mould in sweet cherry

Citation

Barry, KM and Tarbath, M and Glen, M and Measham, P and Corkrey, R, Understanding infection risk factors for integrated disease management of brown rot and grey mould in sweet cherry, Acta Horticulturae, 1105 pp. 67-72. ISSN 0567-7572 (2015) [Refereed Article]

Copyright Statement

Copyright ISHS 2015

DOI: doi:10.17660/ActaHortic.2015.1105.10

Abstract

Brown rot and grey mould cause significant losses in sweet cherry due to rot of fruit at harvest, particularly in wet years. Studies in a Tasmanian orchard found that Botrytis cinerea was associated with 95% of fruit which was symptomatic at harvest, while Monilinia spp. were not detected. Total rot at harvest varied significantly with cherry cultivar. To determine how disease develops during the season, samples of fruit from two cultivars ('Simone' and 'Regina') were obtained fortnightly over a 53 day period prior to commercial harvest and expression of "latent" non-symptomatic infections was induced. While incidence increased towards harvest, this study showed that a substantial amount of infection had already occurred prior to 53 days before harvest. To quantify how fruit susceptibility to infection changes over time, a controlled incubation experiment was conducted which showed that infection risk increases with time and the odds of infection was quantified for three different cultivars and three pathogens. This information will form a basis for development of grower tools to guide decision-making about infection risk.

Item Details

Item Type:Refereed Article
Keywords:cherry, Prunus avium, cultivar, latent infection, Botrytis cinerea, Monilinia spp
Research Division:Agricultural and Veterinary Sciences
Research Group:Horticultural Production
Research Field:Horticultural Crop Protection (Pests, Diseases and Weeds)
Objective Division:Plant Production and Plant Primary Products
Objective Group:Horticultural Crops
Objective Field:Stone Fruit
Author:Barry, KM (Dr Karen Barry)
Author:Tarbath, M (Mr Michael Tarbath)
Author:Glen, M (Dr Morag Glen)
Author:Measham, P (Dr Penny Measham)
Author:Corkrey, R (Dr Ross Corkrey)
ID Code:106214
Year Published:2015
Deposited By:Tasmanian Institute of Agriculture
Deposited On:2016-02-02
Last Modified:2017-11-06
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