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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=221
Last checked: 08/07/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Gann, J. R.;
McCarty, B. |
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| Author Affiliation: | Clemson University, Clemson, SC |
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| Title: | Timing of Specticle for goosegrass control on bermudagrass |
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| Section: | Weed managemnet in turf crops
Other records with the "Weed managemnet in turf crops" Section
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| Meeting Info.: | Charleston, South Carolina: January 23-25, 2012 |
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| Source: | 2012 Proceedings, Southern Weed Science Society. Vol. 65, 2012, p. 149. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application rates; Application timing; Comparisons; Cynodon dactylon; Goosegrass control; Herbicide evaluation; Indaziflam; Preemergence weed control; Prodiamine
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| Trade Names: | Specticle; Barricade |
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| Abstract/Contents: | "Goosegrass (Eleusine indica (L.) Gaertn.) is a difficult-to-control warm-season annual weed occurring in most regions of the country. Specticle (Indaziflam) is a relatively new product from Bayer Environmental Science that is effective for preemergence control of a variety of weeds. A field study was initiated in South Carolina in fall 2010 to evaluate multiple timings and rates of Specticle (Indaziflam) and Barricade (Prodiamine) for the preemergence control of goosegrass (Eleusine indica (L.) Gaertn.) in common bermudagrass (Cynodon dactylon) the following year. Treatments included Specticle at 52 g ai/ha applied Sept. 2010, Specticle at 52 g ai/ha applied April 2011, Specticle at 52 g ai/ha applied May 2011, Specticle at 52 g ai/ha applied Sept. 2010 fb 26 g ai/ha in May 2011, Specticle at 52 g ai/ha applied Sept. 2010 fb 35 g ai/ha in May 2011, Specticle at 52 g ai/ha applied Sept. 2010 fb 35 g ai/ha in April 2011, Specticle at 35 g ai/ha applied April 2011, Specticle at 35 g ai/ha applied May 2011, Barricade at 1 lb ai/a applied April 2011, and Barricade at 1 lb ai/a applied Sept. 2010. Visual ratings were taken at monthly intervals throughout the study. Percent goosegrass control was rated on a 0-100% scale with 0% representing no control and 100% being no goosegrass present. Experimental design was RCBD with 4 replications with individual plot size 2 x 3m. The study was located on a golf course fairway thus, maintained to its standards including a mowing height at 0.75 inch and irrigation applied to minimize turf stress. Two of the fall Specticle applications with initial rates at 52 g ai/ha controlled 98% or more goosegrass throughout the entire following growing season. Both treatments had sequential spring applications at 35 g ai/ha (one study on April 4th and one on May 31st). The two spring timings at 52 g ai/ha (one on April 4th and one on May 31st) provided >=85% control throughout the season. Another spring application on April 4th at 35 g ai/ha provided 94% goosegrass conrol. A fall treatment without a second application as well as a fall application followed by a light application of 26 g ai/ha on May 31st provided early control in the growing season but failed to continue throughout the summer. Barricade applications at 1lb ai/a had no effect on goosegrass control. Overall, the fall treatments at 52g ai/ha followed by a spring application at 35 g ai/ha provided better and longer control than the 26 g ai/ha sequential spring application as well as the single fall application. The April applications at 35 g ai/ha and 52 g ai/ha proved much more effective than the May applications with the same rates. Significant goosegrass germination had probably occurred by the time of the May applications. Future research should include further investigations into various timings and rates for the effectiveness of preemergence control of goosegrass and other troublesome weeds compare with industry standards." |
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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):
Gann, J. R., and B. McCarty. 2012. Timing of Specticle for goosegrass control on bermudagrass. South. Weed Sci. Soc. Proc. 65:p. 149. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=221
Last checked: 08/07/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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