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| Web URL(s): | http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2012.pdf#page=82
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Curtis, Daniel W.;
Hulting, Andrew G.;
Mallory-Smith, Carol;
Roerig, Kyle C. |
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| Author Affiliation: | Oregon State University, Corvallis, OR |
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| Title: | Saflufenacil use in cool-season grasses grown for seed |
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| Section: | Project 3: Weeds of agronomic crops
Other records with the "Project 3: Weeds of agronomic crops" Section
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| Meeting Info.: | Reno, Nevada: March 12-15, 2012 |
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| Source: | Proceedings of the Western Society of Weed Science:Western Society of Weed Science Annual Meeting 2012. Vol. 65, 2012, p. 82. |
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| Publishing Information: | Newark, California: Western Society of Weed Science |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Broadleaf weed control; Cool season turfgrasses; Herbicide combinations; Herbicide evaluation; Herbicide injury; Saflufenacil; Seed production
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| Abstract/Contents: | "Studies were conducted with saflufenacil to evaluate injury to perennial ryegrass and tall fescue grown for seed and to identify activity on weed species either alone or in combination with other herbicides. Trials were conducted in commercial grass seed fields and at the Oregon State University Hyslop Research Farm near Corvallis, OR. The first study, initiated in a newly-seeded stand of perennial ryegrass, included evaluation of saflufenacil for control of diuron-resistant annual bluegrass, Italian ryegrass and California brome. Saflufenacil was applied at 25 g ai/ha alone and in combination with metribuzin, mesotrione and ethofumesate. Saflufenacil applications provided no control of any of the grass species, but did not decrease perennial ryegrass seed yields. Saflufenacil was applied to an established stand of perennial ryegrass at 25 g ai/ha alone and in combinations with pyroxasulfone. Saflufenacil did not increase the control of diuron-resistant annual bluegrass provided by pyroxasulfone. The saflufenacil applications did not affect grass seed yields. Two studies initiated to evaluate broadleaf weed control with saflufenacil in new plantings of perennial ryegrass were conducted during the 2009-2010 and 2010-2011 growing seasons. In 2009, saflufenacil was applied at 25 g ai/ha to 1 tiller perennial ryegrass. In 2010, saflufenacil was applied at 100 g ai/ha preemergence and at 25g ai/ha post emergence to 1 tiller perennial ryegrass. The post emergence applications provided 100% control of broadleaf weed species present which included lesser-seeded bittercress, shepherd's purse, ivy-leaf speedwell and sticky chickweed. A study conducted in the spring of 2011 included applications of saflufenacil at 25 g ai/ha to 2 leaf spring-planted tall fescue applied alone and in combination with mesotrione. Saflufenacil provided 90% control of the initial flush of sharppoint fluvellin, but did not control later emerging sharppoint fluvellin. The combination of mesotrione and saflufenacil provided 80% control of later emerging sharppoint fluvellin. Neither saflufenacil nor mesotrione provided effective control of the erect knotweed. Results of these studies suggest that saflufenacil will provide effective control of several broadleaf species in perennial ryegrass and tall fescue being grown for seed." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Curtis, D. W., A. G. Hulting, C. Mallory-Smith, and K. C. Roerig. 2012. Saflufenacil use in cool-season grasses grown for seed. Proc. West. Soc. Weed Sci. 65:p. 82. |
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| Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2012.pdf#page=82
Last checked: 12/10/2013
Requires: PDF Reader
Notes: Item is within a limited access website |
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MSU catalog number: b2224583a |
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Digitally in TIC by file name: pwsws2012 |
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