Full TGIF Record # 69765
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Author(s):Kopec, D. M.; Heathman, E. S.; Mancino, C. F.; Umeda, Kai; Emerson, W.
Author Affiliation:Kopec: Associate Extension Specialist, Plant Sciences; Heathman: Extension Specialist, Weed Control, Retired, Plant Sciences; Mancino: Assistant Professor, Turfgrass Science, Plant Sciences, University of Arizona; Umeda: Field Research Agriculturist, American Cyanamid; and Emerson: Superintendent of Golf, Paradise Valley C.C.
Title:Field evaluation of purple nutsedge to rate and formulation effects of imazaquin herbicide
Source:1991 Turfgrass and Ornamentals Research Summary[Arizona]. 1991, p. 39-42.
# of Pages:4
Publishing Information:Tucson, AZ: University of Arizona
Keywords:TIC Keywords: Cyperus rotundus; Imazaquin; Herbicides; Weed control; Application timing; Formulations; Cynodon dactylon; Flowables; Granules; Color; Growth; Herbicide evaluation; Golf rough
Abstract/Contents:"Imazaquin herbicide was applied to mixed stands of purple nutsedge and common bermudagrass at 0.38 and 0.50 lbs ai/a from both a liquid (EC) and granular (G) formulation. One application was made on August 3, 1989. Maximum purple nutsedge control occurred 27 DAT, with mean control of 62% and 40% for the (G) and (EC) formulations (averaged over rates), respectively. Control decreased to 55% (0.38 lb ai/a, G) 43% (0.50 ai/a, G) and to 25% or less for the (EC) applications (regardless of rate) by 42 DAT. The (G) formulation tended to suppress growth of existing bermuda and surviving purple nutsedge more so than the (EC). Stunting was rate dependent within each formulation. Multiple applications are necessary for suppression of purple nutsedge in a turf sward."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kopec, D. M., E. S. Heathman, C. F. Mancino, K. Umeda, and W. Emerson. 1991. Field evaluation of purple nutsedge to rate and formulation effects of imazaquin herbicide. Turfgrass Landscape Urban IPM Res. Summ. p. 39-42.
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