Full TGIF Record # 79165
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Web URL(s):https://gsrpdf.lib.msu.edu/?file=/2000s/2002/020318.pdf
    Last checked: 01/25/2017
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Publication Type:
i
Professional
Author(s):Branham, B. E.; Gardner, D. S.
Author Affiliation:Branham: Associate Professor of Turfgrass Science, University of Illinois; Gardner: Assistant Professor, Crop Science and Horticulture Department, Ohio State University
Title:How does turf influence pesticide dissipation?: Active thatch microbe populations can help reduce the risks of some pesticides
Source:USGA Green Section Record. Vol. 40, No. 2, March/April 2002, p. 18-20.
Publishing Information:Far Hills, NJ: United States Golf Association, Green Section
# of Pages:3
Keywords:TIC Keywords: Turf values; Pesticide fate; Thatch; Microorganisms; Mobility; Leachates; Golf courses in the environment; Propiconazole; Halofenozide; Ethofumesate; Cyproconazole; Metalaxyl-M; Half-life; Sorption
USGA Green Section Keywords: Environmental Issues: Pesticides; Research; Soils
Trade Names:Mefanoxam
Abstract/Contents:Discusses research at the University of Illinois "to document pesticide dissipation in turf versus bare soil" in order to "determine the role of turfgrass and associated thatch on the fate of pesticides applied to turf." Describes why pesticide dissipation studies are necessary. Also discusses the mobility and half-lives of propiconazole, halofenozide, ethofumesate, cyproconazole, and mefanoxam. Concludes that "the original goal was to develop a better and more quantitative understanding of the role of turf in pesticide dissipation and leaching. While this research certainly provides a better understanding of how turf affects pesticide dissipation rates, not as much progress has been made in quantifying the role of turf in pesticide fate. However, an intial study with cyproconazole (Sentinel) showed that the presence of turf was much more important than the amount of turf present in affecting the rate of pesticide dissipation. Perhaps the best way to view turf is not as a wonderful filtration system that degrades everything applied to it, but rather as a highly sorptive layer of organic matter teeming with microbial activity that will reduce the potential problems caused by the introduction of pesticides into this environment. It will not eliminate these problems, but it will dampen their impact on water resources. Exercise special care when using pesticides that are considered mobile in soil. These products are most likely mobile in turf, as well. Modify irrigation practices to retain these pesticides within the thatch layer as long as possible. When a choice exists, choose pesticides that are classified as moderately mobile or immobile over those classified as mobile."
Language:English
References:3
Note:Reprint appears in Georgia Sod Producers Association News, 12(2) July 2002, p. 16
Reprint appears in The Turf Line News, Vol. 172 October/November 2002, p. 20-22, with variant pictures
Pictures, color
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Branham, B. E., and D. S. Gardner. 2002. How does turf influence pesticide dissipation?: Active thatch microbe populations can help reduce the risks of some pesticides. USGA Green Sec. Rec. 40(2):p. 18-20.
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    Last checked: 01/25/2017
    Requires: PDF Reader
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