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| DOI: | 10.1614/WT-D-14-00151.1 |
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| Web URL(s): | http://www.bioone.org/doi/pdf/10.1614/WT-D-14-00151.1
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-14-00151.1
Last checked: 11/09/2015
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Cross, Robert B.;
Bridges, William C. Jr.;
McCarty, Lambert B.;
McElroy, J. Scott |
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| Author Affiliation: | Cross: Graduate Research Assistant; McCarty: Professor, School of Agriculture, Forestry, and Environmental Sciences; Bridges: Professor, Department of Mathematical Sciences, Clemson University, Clemson, SC; McElroy: Associate Professor, Department of Agronomy and Soils, Auburn University, Auburn, AL |
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| Title: | Evaluating annual bluegrass herbicide resistance evolution in golf course fairways |
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| Section: | Weed management - Other crops/areas
Other records with the "Weed management - Other crops/areas" Section
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| Source: | Weed Technology. Vol. 29, No. 3, July-September 2015, p. 488-500. |
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| Publishing Information: | Champaign, Illinois: Weed Science Society of America |
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| # of Pages: | 13 |
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| Related Web URL: | http://www.bioone.org/doi/abs/10.1614/WT-D-14-00151.1
Last checked: 11/09/2015
Notes: Abstract only |
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| Keywords: | TIC Keywords: Glyphosate; Golf fairway maintenance; Herbicide evaluation; Herbicide program; Herbicide resistance; Models; Poa annua control; Postemergence herbicides; Preemergence herbicides
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| Abstract/Contents: | "Annual bluegrass is one of the most diverse plant species in the world and is the most problematic winter annual weed in commercial turfgrass. Continuous application of the same herbicide mechanism of action for annual bluegrass control on golf courses has increased herbicide-resistant populations. The purpose of this research was to simulate six herbicide-use strategies to evaluate the risk of annual bluegrass resistance evolution to glyphosate. In a worst-case scenario of yearly glyphosate applications at dormancy, resistance evolved within 10 yr and was predicted to evolve in >90% of populations by yr 20. When glyphosate was rotated on alternate years with a unique mechanism of action, resistance was delayed for 12 to 15 yr. Season-long control of annual bluegrass often requires multiple herbicide applications. Therefore, additional strategies were simulated in which glyphosate was applied at dormancy with combinations of PRE and/or POST herbicides at various timings. Resistance was most effectively delayed with a PRE application in late summer, a POST application in fall, and alternating glyphosate with a different POST option at dormancy. This delayed resistance by 25 yr and a 35% risk was predicted after 50 yr. Strategies utilizing three annual herbicide applications with unique mechanisms of action were more effective for controlling population growth compared to other strategies. Resistance was predicted to evolve within 35 yr for each of the strategies simulated. However, these results indicate annual bluegrass herbicide resistance can be managed by using an integrated herbicide program, rotating unique mechanisms of action as frequently as possible." |
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| Language: | English |
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| References: | 39 |
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| Note: | Abstract also appears in Spanish
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cross, R. B., W. C. Jr. Bridges, L. B. McCarty, and J. S. McElroy. 2015. Evaluating annual bluegrass herbicide resistance evolution in golf course fairways. Weed Technol. 29(3):p. 488-500. |
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| DOI: 10.1614/WT-D-14-00151.1 |
| Web URL(s):
http://www.bioone.org/doi/pdf/10.1614/WT-D-14-00151.1
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-14-00151.1
Last checked: 11/09/2015
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2174615a |
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