Full TGIF Record # 102598
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DOI:10.1094/ATS-2005-0304-01-RS
Web URL(s):https://dl.sciencesocieties.org/publications/ats/articles/2/1/2005-0304-01-RS
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Publication Type:
i
Refereed
Author(s):McCullough, Patrick E.; Hart, Stephen E.; Lycan, Darren W.
Author Affiliation:Department of Plant Biology and Pathology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey
Title:Plant growth regulator regimens reduce Poa annua populations in creeping bentgrass
Section:Applied turfgrass science
Other records with the "Applied turfgrass science" Section
Source:Applied Turfgrass Science. Vol. 2, No. 1, December 2005, p. 1-6.
Publishing Information:St. Paul, Minnesota: Plant Management Network
# of Pages:6
Related Web URL:https://dl.sciencesocieties.org/publications/ats/abstracts/2/1/2005-0304-01-RS
    Last checked: 03/05/2014
    Notes: Abstract only
Keywords:TIC Keywords: Growth regulators; Poa annua; Poa annua control; Trinexapac-ethyl; Golf fairways; Tank mix; Agrostis stolonifera; Weed control; Gibberellins; Paclobutrazol
Abstract/Contents:"Plant growth regulators (PGRs) are commonly applied for annual bluegrass (Poa annua L.) suppression but various PGR regimens may be more applicable in creeping bentgrass (Agrostis palustris Huds.) management than exclusive applications. Two field experiments in Riverton, NJ investigated various regimens of paclobutrazol ((+/-)-(R*,R*)-b-[(4-chlorophenyl) methyl]-a-(1, 1-dimethyl)-1H-1,2,4,-triazole-1-ethanol) (PB) and trinexapac-ethyl ([4-(cyclopropyl-[a]-hydroxymethylene)-3,5-dioxo-cyclohexane carboxylic acid ethyl ester]) (TE) for Poa annua control in creeping bentgrass golf course fairways. Over four years, Poa annua coverage was greater in the spring compared to summer and fall. In the first experiment, Poa annua reductions from initial populations were 22 and 30% in untreated turf and turf treated only with TE, respectively. Reductions in Poa annua were ≅ 55% for turf receiving PB with and without TE applications. In the second experiment, PB reduced Poa annua populations to approximately half those of the untreated plots but combinations with TE did not enhance turf quality or Poa annua suppression. Routinely applying PB at 0.14 kg/ha every 3 weeks provided similar Poa annua control to single applications of 0.56 kg/ha while both regimens gave better control than PB at 0.28 kg/ha applied in the spring and fall. Overall, PB will be an effective tool for suppressing Poa annua in creeping bentgrass fairways for northeastern golf courses; however, tank mixing TE with PB will likely not enhance these effects."
Language:English
References:14
See Also:Other items relating to: P G Rs 1997-2006
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCullough, P. E., S. E. Hart, and D. W. Lycan. 2005. Plant growth regulator regimens reduce Poa annua populations in creeping bentgrass. Appl. Turfgrass Sci. 2(1):p. 1-6.
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DOI: 10.1094/ATS-2005-0304-01-RS
Web URL(s):
https://dl.sciencesocieties.org/publications/ats/articles/2/1/2005-0304-01-RS
    Last checked: 03/05/2014
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/ats/pdfs/2/1/2005-0304-01-RS
    Last checked: 03/05/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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