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| DOI: | 10.1614/WT-06-200.1 |
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| Web URL(s): | http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-06-200.1
Last checked: 12/05/2007
Notes: Archive Via BioOne
http://www.bioone.org/doi/pdf/10.1614/WT-06-200.1
Last checked: 03/15/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | McElroy, J. Scott;
Breeden, Greg K.;
Sorochan, John C. |
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| Author Affiliation: | McElroy and Sorochan: Assistant Professor; Breeden: Extension Assistant, Department of Plant Sciences, University of Tennesse, Knoxville, Tennesse. |
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| Title: | Hybrid bluegrass tolerance to postemergence applications of mesotrione and quinclorac |
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| Section: | Research
Other records with the "Research" Section
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| Source: | Weed Technology. Vol. 21, No. 3, July-September 2007, p. 807-811. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America. |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Poa pratensis X Poa arachnifera; Postemergence herbicides; Mesotrione; Quinclorac; Weed control; Herbicide resistance; Application rates; Application timing; Herbicide injury; Establishment; Eleusine indica; Digitaria ischaemum; Poa pratensis; Application frequency
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| Cultivar Names: | Solar green; Durablue; Thermal blue |
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| Abstract/Contents: | "New hybrid bluegrass cultivars have been bred for increased heat and drought tolerance compared with traditional Kentucky bluegrass cultivars. Research was conducted to evaluate hybrid bluegrass tolerance and smooth crabgrass and goosegrass control with mesotrione and quinclorac during seeded establishment. Mesotrione applied as a single application 14, 28, or 42 d after emergence (DAE) injured hybrid bluegrass acceptably from 1 to 11% 7 d after treatment (DAT). A sequential mesotrione application at 0.14 kg/ha 28 DAE did not injure hybrid bluegrass greater than the initial 14 DAE application; however, a sequential application at 0.28 kg/ha 28 DAE injured hybrid bluegrass greater than the initial 14 DAE application. Three sequential mesotrione applications did not reduce hybrid bluegrass ground cover 63 DAE. Quinclorac applied singly at 1.68 kg/ha 14 DAE and sequentially at 0.84 kg/ha 14 and 28 DAE injured hybrid bluegrass that continued throughout the rating period resulting in decreased ground cover at 63 DAE. Quinclorac at 0.84 kg/ha plus mesotrione at 0.28 kg/ha injured hybrid bluegrass <20% throughout the rating period but reduced ground cover 63 DAE. All quinclorac-containing treatments controlled smooth crabgrassā„92.1 92%. All mesotrione sequential-application treatments controlled smooth crabgrass and goosegrassā„87.1 87%. These data indicate that sequential mesotrione applications can be used for smooth crabgrass and goosegrass control during seeded hybrid bluegrass establishment. Quinclorac should be applied according to label recommendations at 0.84 kg/ha no earlier than 28 DAE." |
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| Language: | English |
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| References: | 26 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McElroy, J. S., G. K. Breeden, and J. C. Sorochan. 2007. Hybrid bluegrass tolerance to postemergence applications of mesotrione and quinclorac. Weed Technol. 21(3):p. 807-811. |
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| DOI: 10.1614/WT-06-200.1 |
| Web URL(s):
http://www.bioone.org/perlserv/?request=get-document&doi=10.1614%2FWT-06-200.1
Last checked: 12/05/2007
Notes: Archive Via BioOne
http://www.bioone.org/doi/pdf/10.1614/WT-06-200.1
Last checked: 03/15/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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MSU catalog number: b2174615a |
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