Full TGIF Record # 77287
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Web URL(s):https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az12463a5.pdf
    Last checked: 02/06/2017
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Author(s):Kopec, D. M.; Gilbert, J. J.
Author Affiliation:Kopec: Extension Specialist, Turf, Plant Sciences, University of Arizona; Gilbert: Research Specialist, Turf, Plant Sciences, University of Arizona
Title:Sulfentrazone effects on purple nutsedge
Section:Herb and weed control
Other records with the "Herb and weed control" Section
Source:Turfgrass, Landscape and Urban IPM Research Summary [Arizona]. 2001, p. 49-52.
Publishing Information:Tucson, AZ: University of Arizona
# of Pages:4
Keywords:TIC Keywords: Sulfentrazone; Imazaquin; Halosulfuron; Cyperus rotundus; Weed control; Herbicide evaluation; Application rates; Application frequency; Percent living ground cover
Trade Names:Manage; Image
Abstract/Contents:"Sulfentrazone was applied to a highly infested purple nutsedge groundcover as either single or double combination (split) applications for initial evaluation for weed control during the summer of 1996. One time single applications at 0.125 lb. AI/A resulted in 15% or less control, from 10 to 64 days after treatment (DAT). Nutsedge control from 0.25 lb. and 0.38 lb. AI/A treatments were not significantly different from each other (ranging in 10% difference or less ) but was greater than the low rate 0.125 lb AI/A. Single applications of imazaquin and halsulfuron (at known label rates) had better control than sulfentrazone at the rates tested here when tested as single applications. Single applications at 0.50 lb. AI/A appear warranted for sulfentrazone. Split (multiple) applications greatly enhanced the activity of sulfentrazone at the two higher split rate treatments, both which resulted in a total application of 0.50 lb. AI/A total. The 0.375/0.125 split application had slightly better control than the 0.250/0.250 split treatments. Split applications of imazaquin or halsulfuron at known label rates resulted in slightly higher control. All plots experienced re-growth. Based on these results, sulfentrazone does have activity against purple nutsedge. Additional treatments in a new and different rate structure appear warranted to increase initial control and longevity of effect."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kopec, D. M., and J. J. Gilbert. 2001. Sulfentrazone effects on purple nutsedge. Turfgrass Landscape Urban IPM Res. Summ. p. 49-52.
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    Last checked: 02/06/2017
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