Full TGIF Record # 225276
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Web URL(s):http://www.ncwss.org/proceed/NCWSS-2010-Proceedings.pdf#page=28
    Last checked: 07/19/2013
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Publication Type:
Author(s):Williams, Alexandra P.; Barrett, Michael; Williams, David
Author Affiliation:University of Kentucky, Lexington, KY
Title:Comparing management strategies for Poa annua control and suppression on putting greens
Section:Forestry/industrial/turf posters
Other records with the "Forestry/industrial/turf posters" Section
Meeting Info.:Lexington, Kentucky: 2010
Source:Proceedings of the 2010 North Central Weed Science Society 65th Annual Meeting. Vol. 65, 2010, p. 15.
# of Pages:1
Publishing Information:Champaign, Illinois: North Central Weed Science Society
Keywords:TIC Keywords: Agrostis stolonifera; Bispyribac-sodium; Color evaluation; Cumyluron; Flurprimidol; Golf greens; Herbicide efficacy; Paclobutrazol; Plant growth regulators; Poa annua control; Trinexapac-ethyl
Cultivar Names:L-93
Abstract/Contents:"Annual bluegrass (Poa annua) is an aggressive weed in intensively managed turf. Annual bluegrass reduces the aesthetics, surface quality, uniformity, and the functionality of golf course putting greens. Current practices to manage this weed in bentgrass putting greens rely upon plant growth regulators. However, herbicides for this use are also under development. To compare these approaches, a field experiment was conducted with various herbicide and plant growth regulator (PGR) application regimens for annual bluegrass control on a bentgrass (Agrostis stolonifera) variety "L-93" soil-based putting green. The study was initiated in April 2009 at the University Club of Kentucky, in Lexington, using a randomized complete block design of the following treatments: bispyribac-sodium (12.5 g a.i./ha), bispyribac-sodium (25 g a.i./ha), HM9930 (cumyluron), paclobutrazol (140 g a.i./ha or 280 g a.i./ha), fluprimidol (91 g a.i./ha or 182 g a.i./ha), fluprimidol (96 g a.i/ha) plus trinexapac-ethyl (36 g a.i./ha) , and trinexapac-ethyl (96 g a.i ./ha). One year after study initiation, all treatments, with the exception of fluprimidol plus trinexapac-ethyl and paclobutrazol, reduced annual bluegrass populations from the non-treated control . However, by June 2010, there were no differences in annual bluegrass populations between treated and non-treated plots. HM9930 treatments discolored bentgrass in both 2009 and 2010. Bispyribac-sodium treatments discolored the bentgrass in 2010 but not 2009. Color effects of both HM9930 and bispyribac-sodium were transitory. Trinexapac-ethyl improved bentgrass quality in 2010. The annual bluegrass population in the non-treated control increased between 2009 and 2010 and the efficacy of the treatments may become more apparent with time."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Williams, A. P., M. Barrett, and D. Williams. 2010. Comparing management strategies for Poa annua control and suppression on putting greens. Proc. North Cent. Weed Sci. Soc. 65:p. 15.
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    Last checked: 07/19/2013
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    Notes: Item is within a single large file
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