Full TGIF Record # 266816
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DOI:10.1614/WT-D-14-00094.1
Web URL(s):http://www.bioone.org/doi/pdf/10.1614/WT-D-14-00094.1
    Last checked: 11/09/2015
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http://www.bioone.org/doi/full/10.1614/WT-D-14-00094.1
    Last checked: 11/09/2015
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Glenn, Brian D.; Brecke, Barry J.; Unruh, J. Bryan; Ferrell, Jason A.; Kenworthy, Kevin E.; MacDonald, Greg E.
Author Affiliation:Glenn: Graduate Student; Brecke: Professor Emeritus; Unruh: Professor and Associate Director, West Florida Research and Education Center, University of Florida, Jay; Ferrell and Kenworthy: Associate Professor; MacDonald: Professor, Department of Agronomy, University of Florida, Gainesville, FL
Title:Evaluation of alternative herbicides for southern crabgrass (Digitaria ciliaris) control in St. Augustinegrass
Section:Weed management - Other crops/areas
Other records with the "Weed management - Other crops/areas" Section
Source:Weed Technology. Vol. 29, No. 3, July-September 2015, p. 536-543.
Publishing Information:Champaign, Illinois: Weed Science Society of America
# of Pages:8
Related Web URL:http://www.bioone.org/doi/abs/10.1614/WT-D-14-00094.1
    Last checked: 11/09/2015
    Notes: Abstract only
Keywords:TIC Keywords: Acetic acid; Borax; Control methods; Digitaria ciliaris; Herbicide evaluation; Herbicide labeling; Sodium bicarbonate; Stenotaphrum secundatum; Weed control
Trade Names:Garden Weasel AG Crabgrass Killer
Abstract/Contents:"Southern crabgrass is a common turfgrass weed throughout the United States, and in Florida a troublesome problem in St. Augustinegrass lawns. Because of herbicide label changes and lack of herbicide tolerance, no POST herbicides are currently registered for homeowner use for crabgrass control in residential and commercial St. Augustinegrass lawns. Alternative weed control methods, including cultural practices and unconventional herbicides, have been investigated to a limited extent for postemergence crabgrass control. In this study, alternative herbicides evaluated included 30% acetic acid, borax, sodium bicarbonate, and Garden Weasel AG Crabgrass Killer (sodium bicarbonate formulation including cinnamon, wheat and corn flour, and cumin). Treatments were applied to southern crabgrass at three growth stages (one to two leaf, three to four leaf, or one to two tiller). In the greenhouse, 30% acetic acid applied twice at 280 L ha-1 and two rates of AG Crabgrass Killer at 976 or 1,465 kg ha-1 provided ≥ 70% control of one to two-leaf southern crabgrass when evaluated 7 d after initial application (DAIA). No treatment provided > 70% control of three to four-leaf or one to two-tiller southern crabgrass or any size crabgrass beyond 7 DAIA. In field trials, no treatment provided acceptable (≥ 70%) southern crabgrass control at any weed stage. Initial turf injury was unacceptable for most rates of 30% acetic acid, sodium bicarbonate, and AG Crabgrass Killer, causing > 20% St. Augustinegrass injury 7 DAIA. By 21 DAIA, turf injury levels had fallen to ≤ 20% for most treatments. Because of high turfgrass injury and little residual control, alternative herbicides tested are not an effective substitute for using preemergence herbicides for southern crabgrass control. If other options are not available, they may have a role as a limited spot treatment in St. Augustinegrass."
Language:English
References:23
Note:Abstract also appears in Spanish
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Glenn, B. D., B. J. Brecke, J. B. Unruh, J. A. Ferrell, K. E. Kenworthy, and G. E. MacDonald. 2015. Evaluation of alternative herbicides for southern crabgrass (Digitaria ciliaris) control in St. Augustinegrass. Weed Technol. 29(3):p. 536-543.
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DOI: 10.1614/WT-D-14-00094.1
Web URL(s):
http://www.bioone.org/doi/pdf/10.1614/WT-D-14-00094.1
    Last checked: 11/09/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.bioone.org/doi/full/10.1614/WT-D-14-00094.1
    Last checked: 11/09/2015
    Access conditions: Item is within a limited-access website
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