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| Web URL(s): | http://archive.lib.msu.edu/tic/rpr/1998/61868,%20U%20Florida, Snyder.PDF
Last checked: 10/24/2013
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Material Type: | Manuscript |
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| Monographic Author(s): | Snyder, George H.; Cisar, John L.; Borgert, Christopher |
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| Author Affiliation: | Snyder: Everglades Research and Education Center, University of Florida, IFAS, Belle Glade; Cisar: Ft. Lauderdale Research and Education Center, University of Florida, IFAS, Ft. Lauderdale; and Borgert: Applied Pharmacology and Toxicology, Inc., Alachua, FL |
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| Monograph Title: | An Assessment of the Risks Associated With Pesticides Volatilized and Dislodged from Golf Turf: [1998 Annual Research Report], 1998. |
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| Publishing Information: | [Gainesville, Florida]: University of Florida, IFAS |
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| # of Pages: | 35 |
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| Collation: | [1], 34 pp. |
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| Abstract/Contents: | "A series of pesticide dislodgeability studies were conducted to evaluate the risks associated with golfer exposure to pesticides. The work was performed by Mr. Raymond H. Snyder as part of a master of science degree program at the University of Florida. The pesticides 2,4-D and Dicamba were applied as liquids to a cv. Tifdwarf USGA green. Isazofos, chlorpyrifos, and fenamiphos were spray-applied to the Tifdwarf green. Pesticides were dislodged with damp cheesecloth rubbed on the turf surface, damp cotton cloth pressed on the surface, and in a short rough off to the side of the green by swinging a golf club through the grass and wiping the club surface with damp cheesecloth. Generally, the amount of pesticide dislodged decreased with time after application, and was greatly reduced following irrigation. By combining the data, risk assessment calculations could be made for various scenarios. For example, exposure to chlorpyrifos on 18 greens one hour after application everyday for a lifetime was calculated to provide a Hazard Quotient of 0.31. Hazard quotients less than 1.00 are considered to pose little risk. A similar calculator for exposure after irrigation was 0.02. Chlorpyrifos had a rather high Reference Dose, i.e., acceptable amount of exposure, which reduces the Hazard Quotient. Calculations for the other pesticides, some of which have higher Reference Doses, will be made at a later date. A stabilized organic polymer (SOP) for reducing pesticide leaching was field evaluated twice. Accumulated fenamiphos leaching was reduced up to 100% and fenamiphos metabolite up to 76% by inclusion of the SOP at the rate of 20% by volume in the lower 10 cm of the 30 cm USGA soil profile. In the coming year, we anticipate completing the risk assessment calculations on a number of golfing scenarios for all of the pesticides studies. We also anticipate conducting volatilization studies and performing risk assessments on the data obtained." |
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| Language: | English |
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| References: | 11 |
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| See Also: | See also related summary article "An assessment of the risks associated with pesticides volatilized and dislodged from golf turf" 1998 Turfgrass and Environmental Research Summary [USGA], 1998, p. 61, R=61868. R=61868 |
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| Note: | Also appears as pp. 647-681 in the USGA Turfgrass Research Committee Reporting Binders for 1998.
"Annual Report - November - 1998"
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