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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=158
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Wells, S.;
Walker, R. H.;
Belcher, J. L. |
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| Author Affiliation: | Auburn University, AL |
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| Title: | Effects of imazapic and flazasulfuron on dallisgrass in bermudagrass turf |
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| Section: | SWSS Ph.D. poster contest
Other records with the "SWSS Ph.D. poster contest" Section
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| Meeting Info.: | Orlando, Florida: February 9-12, 2009 |
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| Source: | 2009 Proceedings, Southern Weed Science Society. Vol. 62, 2009, p. 88. |
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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: Cynodon dactylon x Cynodon transvaalensis; Flazasulfuron; Herbicide evaluation; Herbicide injury; Imazapic; Paspalum dilatatum; Weed control
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| Cultivar Names: | Tifway |
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| Abstract/Contents: | "A field experiment was conducted in 2008 to investigate control of dallisgrass (Paspalum dilatatum) and turfgrass tolerance with flazasulfuron and imazapic in 'Tifway' hybrid bermudagrass (Cynodon dactylon x C. transvaalensis). Flazasulfuron was applied at 105 and 210 g/ha. Imazapic was applied at 0.58 L/ha. Herbicides were applied alone, in combination, or sequentially with one compound following another, separated in time by 7 days. All treatments contained a nonionic surfactant 0.25% v/v. Two applications were made; the first was initiated on 09 April and the second on 16 April. Visual ratings on a scale of 0-100%, with 100 being complete kill, were taken for bermudagrass injury and dallisgrass control. Four weeks after initial treatment (WAIT), bermudagrass injury with all imazapic-containing treatments was severe, 71% or greater, while dallisgrass control ranged from 78-90%. Flazasulfuron applied at 210 g/ha on 16 April resulted in bermudagrass injury of 38% 4 WAIT. However, bermudagrass injury with all other treatments containing flazasulfuron alone was within acceptable limits (<30%). However, dallisgrass control was poor, ranging from 20-48% control with all flazasulfuron-only treatments at this rating. All treatments containing imazapic resulted in dallisgrass control ranging from 78-83% 16 WAIT. The exception was imazapic applied alone at the second application date, which resulted in 63% control. Bermudagrass injury with these treatments was well within acceptable limits (<30%) 16 WAIT. No dallisgrass control or bermudagrass injury was noted by any treatment containing flazasulfuron alone 16 WAIT. The results indicate that imazapic must be used to obtain significant reductions in dallisgrass populations. However, due to the severe injury to bermudagrass, this compound should only be considered for turfgrass renovation situations or where a high level of injury can be tolerated. Flazasulfuron, while generally safer to bermudagrass, did not provide acceptable levels of control of dallisgrass." |
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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):
Wells, S., R. H. Walker, and J. L. Belcher. 2009. Effects of imazapic and flazasulfuron on dallisgrass in bermudagrass turf. South. Weed Sci. Soc. Proc. 62:p. 88. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2009 Proceedings-SWSS.pdf#page=158
Last checked: 07/25/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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