Full TGIF Record # 37415
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Web URL(s):http://www.tandfonline.com/doi/abs/10.1080/03601239409372893
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Author(s):Niemczyk, Harry D.; Krause, Adam A.
Author Affiliation:OARDC/ The Ohio State University, Department of Entomology, Wooster, OH 44691
Title:Behavior and mobility of preemergent herbicides in turfgrass: A field study
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B29, No. 3, May 1994, p. 507-539.
# of Pages:33
Publishing Information:New York: Marcel Dekker
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/03601239409372893
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    Notes: Abstract
Keywords:TIC Keywords: Thatch; Preemergence herbicides; Groundwater contamination; DCPA; Pendimethalin; Oxadiazon; Bensulide; Trifluralin; Benfluralin; Herbicide residues
Abstract/Contents:"The quality of many golf courses and other turfgrass areas often requires high levels of cultural management. The fact that this level of maintenance usually includes the use of preemergence herbicides has caused concern about their potential for ground water contamination. Much of this concern is based on extrapolation from agricultural situations rather than data developed from studies conducted in field turfgrass situations. To address this data gap, a two-year field project evaluating the behavior and mobility of the commonly used preemergent herbicides, benfluralin, trifluralin, bensulide, oxadiazon, pendimethalin, and DCPA with its two metabolites was conducted at OARDC/ The Ohio State University, Wooster, Ohio, in 1988-89. Plots were located on a site with thatch (WT) and one with no thatch (NT) to further clarify the impact of thatch on herbicide behavior. Treatments were applied in April and samples of thatch and four zones of soil (0-2.5, 2.5-5, 7.5-10 and 22.5-25 cm) were collected throughout the year and analyzed for residue dissipation. Residues of pendimethalin, benfluralin, and trifluralin in the 22.5-25 cm zone were below the limit of determination. No detectable oxadation residues were found in this zone at the WT site in 1988 but on two occasions, residues of 0.01 and 0.02 kg/ha were found in 1989. At the NT site, residues in this zone on one occasion were 0.02 kg/ha in 1988 and none in 1989. Residues of bensulide in the same zone ranged not detectable (ND) -0.02 kg/ha in both locations. The DCPA residues in the 22.5-25 cm zone ranged ND-0.01 kg/ha (WT), ND-0.27 kg/ha (NT) in 1988, and ND-0.02 kg/ha (WT), ND-0.04 kg/ha (NT) in 1989. The residues of SDS 1449, the less stable of the two dacthal metabolites, were very low, but higher in 1988 than in 1989 in both locations. The SDS 954 residues in 22.5-25 cm zone ranged ND-0.1 kg/ha (WT), and ND-0.16 kg/ha (NT) in 1988, and ND-0.26 kg/ha (WT), and ND-0.27 kg/ha (NT) in 1989. Some amount of all herbicides applied carried over into spring of the year following application but oxadiazon and bensulide were the most persistent."
See Also:Other items relating to: GRDWTR
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Niemczyk, H. D., and A. A. Krause. 1994. Behavior and mobility of preemergent herbicides in turfgrass: A field study. J. Environ. Sci. Health. B29(3):p. 507-539.
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    Last checked: 01/26/2018
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