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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2005 Proceedings-SWSS.pdf#page=200
Last checked: 07/18/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Ricker, D. B.;
Willis, J. B.;
McCall, D. S.;
Askew, S. D.;
Spak, D. R. |
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| Author Affiliation: | Ricker, Willis, McCall and Askew: Virginia Tech, Blacksburg; Spak: Bayer Environmental Science, New Holland, PA |
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| Title: | Dallisgrass control with foramsulfuron |
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| Section: | Weed management in turfgrass
Other records with the "Weed management in turfgrass" Section
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| Meeting Info.: | Charlotte, North Carolina: January 24-26, 2005 |
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| Source: | Proceedings of the 58th Annual Meeting of the Southern Weed Science Society. Vol. 58, 2005, p. 125. |
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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; Dallisgrass control; Foramsulfuron; Herbicide efficacy; Herbicide evaluation
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| Cultivar Names: | Tifway |
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| Trade Names: | Revolver |
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| Abstract/Contents: | "Dallisgrass (Paspalum dilatatum Poir.) is a difficult turf weed to control because of its ability to survive under stress, grow in poor soils, and adapt to low mowing heights. Chemical treatments on the market today do not offer effective control of dallisgrass in bermudagrass (Cynodon dactylon) turf. Preemergence herbicides offer minimal protection prior to bermudagrass plants entering the primary growing season and dallisgrass is controlled most effectively when treated postemergence. Foramsulfuron (Revolverā¢) applied at proper rates, correct timings, and in some situations mixed with other herbicides may control dallisgrass in bermudagrass turf. A field trial was conducted on 'Tifway' bermudagrass at Hanover Country Club in Ashland, VA. Due to close proximity of the trial area to pool and tennis facilities, no scheduled fertilizer or pesticide applications were made to the trial area by maintenance staff. The experimental design was a randomized complete block with three replications and ten treatments, including one nontreated control. Treatments were applied in summer and fall with sequential applications and rotational treatments made 2 weeks after initial treatment (WAIT) and 3 WAIT. Plots were 0.6 x 1.8 m and dallisgrass cover exceeded 65% of total plot area. Foramsulfuron was applied as a sequential treatment, in rotation with MSMA, and as a mixture with MSMA. Each treatment included foramsulfuron applied at high (0.066 lbs ai/A) or low (0.044 lbs ai/A) rates. MSMA application included high (1.6 lbs ai/A) or low (1.0 lb ai/A) rates either as a tank mix or a single treatment on a rotational schedule. Fall applications increased dallisgrass control 7 WAIT compared to the same treatment applied during the summer. Foramsulfuron applied sequentially at 0.044 lbs ai/A in summer or fall reduced dallisgrass stands by 50% but resulted in poor long term. MSMA applied at 1.6 lbs ai/A or 1.0 lbs ai/A followed by a sequential foramsulfuron application applied at 0.044 lbs ai/A or 0.066 lbs ai/A controlled dallisgrass 85% or greater 5 WAIT when applied in summer or fall. Fall applications of MSMA applied at 1.6 lbs ai/A or 1.0 lbs ai/A followed by foramsulfuron applied at 0.044 lbs ai/A or 0.066 lbs ai/A controlled dallisgrass more effectively compared to summer applications 7 WAIT. Two applications of MSMA (1.6 lbs ai/A) tank mixed with foramsulfuron (0.044 lbs ai/A), followed by a final application of foramsulfuron applied at 0.044 lbs ai/A on a 2-week interval controlled dallisgrass between 80 and 90% for both summer and fall application timings. No rate effect was observed as increased foramsulfuron rates or reduced MSMA rates showed no significant differences in dallisgrass control 7 WAIT. Bermudagrass was injured 1 WAIT when treatments were applied in the summer months but recovered 3 WAIT to acceptable levels. Bermudagrass was not injured during fall treatments." |
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| Language: | English |
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| References: | 0 |
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| Note: | "The changing world of weed science"
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ricker, D. B., J. B. Willis, D. S. McCall, S. D. Askew, and D. R. Spak. 2005. Dallisgrass control with foramsulfuron. South. Weed Sci. Soc. Proc. 58:p. 125. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2005 Proceedings-SWSS.pdf#page=200
Last checked: 07/18/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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