Full TGIF Record # 139326
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Web URL(s):http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=16
    Last checked: 12/10/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Butler, Marvin D.; Affeldt, Richard P.; Campbell, Claudia K.
Author Affiliation:Oregon State University, Madras, Oregon
Title:Volunteer creeping bentgrass control in Kentucky bluegrass seed production with mesotrione
Section:Poster session
Other records with the "Poster session" Section
Meeting Info.:Anaheim/Garden Grove, California: March 11-13, 2008
Source:Proceedings of the Western Society of Weed Science. Vol. 61, 2008, p. 16-17.
# of Pages:2
Publishing Information:Newark, CA: Western Society of Weed Science
Keywords:TIC Keywords: Agrostis stolonifera; Poa pratensis; Seed production; Mesotrione; Application rates; Establishment; Application timing; Biomass; Injuries; Weed control
Cultivar Names:Merit; Shamrock
Abstract/Contents:"From 2004 to 2007 research was conducted in central Oregon to develop a management strategy for volunteer creeping bentgrass in Kentucky bluegrass seed production. Plots were established in commercial seed production fields of creeping bentgrass and Kentucky bluegrass in 2004-2005 to evaluate treatments including mesotrione at 0.25 lb ai/A. Herbicides were applied 7 October and 19 November, 2004. Plots in the creeping bentgrass field were evaluated for control of established creeping bentgrass plants, while plots in the Kentucky bluegrass field were evaluated for crop injury and reduction in seed set. In the spring of 2006 mesotrione was applied at 0.25 lb ai/A and 0.5 lb ai/A in single, double and triple applications on 24 April, 11 May and 29 May to established commercial plantings of 'Shamrock' and 'Merit' Kentucky bluegrass grown for seed. Treatments were evaluated for crop injury and seed yield. During 2007 in a commercial Kentucky bluegrass seed production field, mesotrione was applied 6 March to dormant creeping bentgrass volunteers, 5 April, 2007 at early post emergence, or a split application across both timings. Mesotrione was applied at 0.09 lb ai/A, .019 lb ai/A and 0.38 lb ai/A. Results from the 2004-2005 research indicated that mesotrione provided 97 to 98 percent biomass reduction in creeping bentgrass with no observed crop injury or reduction in seed set in Kentucky bluegrass. In 2006 there was no observed plant injury or reduction from spring applications of mesotrione in seed yield for 'Merit', with non-significant injury and reduction in seed yield for some treatments on 'Shamrock'. Research conducted in 2007 indicated that none of the combinations of treatments rates or timings with mesotrione provided total control of established creeping bentgrass or prevented plants from heading out."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Butler, M. D., R. P. Affeldt, and C. K. Campbell. 2008. Volunteer creeping bentgrass control in Kentucky bluegrass seed production with mesotrione. Proc. West. Soc. Weed Sci. 61:p. 16-17.
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Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2008.pdf#page=16
    Last checked: 12/10/2013
    Requires: PDF Reader
    Notes: Item is within a limited access website
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