Full TGIF Record # 19384
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Author(s):Powell, A. J. Jr.; Tapp, Linda D.; Witt, W. W.
Title:Postemergence crabgrass control
Source:Kentucky Turfgrass Research. 1988, p. 53-54.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Series:Progress Report 319
Keywords:TIC Keywords: Poa pratensis; Postemergence herbicides; Digitaria sanguinalis; Crabgrass control; Preemergence herbicides; Herbicide rates; Herbicide timing; Herbicide combinations; Herbicide formulations
Abstract/Contents:1988 test to evaluate rates, chemical combinations and formulations of several commercial and experimental pre- and postmergent herbicides on the efficacy of crabgrass control. An established Kenblue-Adelphi Kentucky bluegrass turf infested with crabgrass was chosen for this test. Prior to chemical application, the area was watered with approximately 1.0 inch of water to provide good soil moisture. Sixteen treatments in three replications were applied on June 3 when the crabgrass was at a 3 to 4 tiller stage. The plots were maintained at 1.5 inches throughout the study and additional irrigation was provided as necessary to prevent dormancy. A table provides herbicides, formulations, rates, crabgrass growth stage at time of application and percent crabgrass control on 6/17, 7/28, 8/23 and 9/8. MON15151 (1EC, 1.5 lb ai/A) gave best postemergence control while MON15151 (1EC, 0.5 lb ai/A) gave worst. Acclaim (1EC, 0.18 lb ai/A) + Pre-m (60DG, 1.5 lb ai/A) gave best preemergence control while Acclaim (1EC, 0.12 lb ai/A or 1EW, 0.18 lb ai/A) gave worst.
See Also:See also original research report in Kentucky Turfgrass Research, no. 313 1987, p. 51-54, R=13697 R=13697
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., L. D. Tapp, and W. W. Witt. 1988. Postemergence crabgrass control. KY. Turfgrass Res. p. 53-54.
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