Full TGIF Record # 19725
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Author(s):Powell, A. J. Jr.; Witt, W. W.; Slack, C. H.
Title:Crabgrass/Goosegrass control in Kentucky bluegrass turf
Source:Kentucky Turfgrass Research. 1983, p. 52-53.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Poa pratensis; Digitaria sanguinalis; Eleusine indica; Preemergence herbicides; DCPA; Benfluralin; Trifluralin; Bensulide; Oxadiazon; Pendimethalin; Herbicide rates; Herbicide timing; Herbicide combinations; Chemical weed control; Herbicide trials
Abstract/Contents:Several commercially available and experimental herbicides (Dacthal, Balan, Balan + Treflan, Betasan, Ronstar, Scotts Betasan + Ronstar, Prowl) were evaluated for preemergence control of both smooth crabgrass and goosegrass. "A one-year-old established turf of Adelphi and Kenblue Kentucky bluegrass was chosen for this study. In early April, the plot area was vertically mowed and core aerated in order to expose some surface soil. Although this area had previously been infested with crabgrass, it was again seeded with two pounds each of smooth crabgrass and goosegrass. The preemergence and 45, 60, and 90 day treatments were applied on April 28, June 12, June 27 and July 27. Although rainfall was prevalent through May, the area was frequently irrigated throughout the extended summer drought. The turf was mowed at a 2" height and nitrogen was applied at a 1 lb N/1000 sq ft in June and August. The 22 treatments with 3 replications were applied to 6' x 10' plots with 3' alleys. Throughout the test, none of the goosegrass seed germinated and only a small infestation of smooth crabgrass occurred. All herbicide treatments were effective in controlling a large population of the crabgrass and little differentiation occurred between chemicals and rates."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., W. W. Witt, and C. H. Slack. 1983. Crabgrass/Goosegrass control in Kentucky bluegrass turf. KY. Turfgrass Res. p. 52-53.
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