Full TGIF Record # 311086
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Web URL(s):http://www.turfgrasssociety.eu/
    Last checked: 07/14/2020
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Publication Type:
Author(s):Rudland, M.; Hsiang, T.
Author Affiliation:School of Environmental Sciences, University of Guelph, Guelph, Ontario, Canada
Title:Variation in dollarspot epidemics and duration of efficacy of propiconazole
Meeting Info.:Manchester, United Kingdom: July 2-4, 2018
Source:6th European Turf Society Conference Proceedings. Vol. 6, June 2018, p. 48-49.
# of Pages:2
Publishing Information:Quinto Vicentino, Italy: European Turfgrass Society
Keywords:TIC Keywords: Clarireedia homoeocarpa; Dollar spot; Epidemiology; Fungicide efficacy; Microenvironments; Models; Propiconazole; Variations
Abstract/Contents:"The fungal turfgrass pathogen Sclerotinia homoeocarpa causes dollar spot which is a severe disease of intensively managed turfgrasses1. There has been previous work on modelling dollar spot epidemics, such as Hall (1984) who generated a model for dollar spot disease development2 However, Horvath and Vargas (2006) state, Attempts to develop predictive models for this disease have met with little success, but there has been little follow up to that study3. As well, there has been research on residual efficacy of fungicides against dollar spot disease, but not in this region and usually not in settings where resident populations have high sensitivity to the fungicide4. The purpose of this work was to examine site to site and year to year variation in epidemics of dollar spot disease, as well as variation in control of the disease by a standard fungicide, propiconazole. Specific questions addressed here included: (1) Under different microenvironments (e.g. shaded vs. non-shaded, greens vs. fairway length), when does dollar spot disease incidence begin and peak naturally over the course of the summer? Does this vary year to year? (2) How do periods of high disease correspond to rainfall and hot weather events? (3) What is the residual efficacy of a standard dollar spot fungicide such as propiconazole?"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rudland, M., and T. Hsiang. 2018. Variation in dollarspot epidemics and duration of efficacy of propiconazole. Eur. Turfgrass Soc. Conf. Proc. 6:p. 48-49.
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    Last checked: 07/14/2020
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