Full TGIF Record # 74464
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Web URL(s):http://web.archive.org/web/20061205204057/http://www.uoguelph.ca/GTI/itsweb/proceedings.pdf#page=34
    Last checked: 05/23/2017
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    Notes: Document is within a single large file
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Clarke, B. B.; Vaiciunas, S. S.
Author Affiliation:Rutgers University
Title:Best management practices for the control of gray leaf spot
Section:Abstracts
Other records with the "Abstracts" Section
Meeting Info.:Toronto, Ontario, Canada: 15-21 July, 2001
Source:IXth International Turfgrass Research Conference. Vol. 9, 2001, p. 71-72.
# of Pages:2
Publishing Information:[Toronto, Canada]: International Turfgrass Society
Keywords:TIC Keywords: Best management practices; Disease control; Gray leaf spot; Lolium perenne; Festuca arundinacea; Stenotaphrum secundatum; Disease severity; Nitrogen; Application rates; Mowing height; Herbicides; Dithiopyr; Ethofumesate; Fungicides; Preventive control; Azoxystrobin; Thiophanate-methyl; Propiconazole; Trifloxystrobin; Chlorothalonil; Comparisons
Abstract/Contents:"Management practices can influence development of gray leaf spot (GLS) on perennial ryegrass (PRG), tall fescue (TF), and St. Augustinegrass (SA). For all three grasses, the severity of GLS typically increases with increasing nitrogen (N) rate above an application rate of 24.4 kg N ha-1. N source has also been reported to affect GLS in PRG and TF, but not SA. Compared to controls, water-soluble N sources can increase the severity of GLS, but slow release N sources may reduce the disease. In a New Jersey study, there was a consistent positive association between mowing height and the severity of GLS, whereas no association was reported in a Kentucky study. Removal of infested clippings does not appear to affect GLS. The herbicides dithiopyr and ethofumesate can increase GLS. Fungicides are most effective when used preventively. Azoxystrobin and thiophanate-methyl are most efficacious, whereas propiconazole, trifloxystrobin, and chlorothalonil often provide good control under moderate GLS pressure. SA and TF germplasm has a range of resistance to GLS, but little natural resistance has been reported for PRG."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clarke, B. B., and S. S. Vaiciunas. 2001. Best management practices for the control of gray leaf spot. Int. Turfgrass Res. Conf. 9:p. 71-72.
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Web URL(s):
http://web.archive.org/web/20061205204057/http://www.uoguelph.ca/GTI/itsweb/proceedings.pdf#page=34
    Last checked: 05/23/2017
    Requires: Adobe Acrobat
    Notes: Document is within a single large file
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