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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Toubakaris, M. R.;
Higingbottom, J. K.;
Bunnell, B. T.;
McCarty, L. B. |
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| Author Affiliation: | Department of Horticulture, Clemson University, Clemson, SC 29632-0375 |
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| Title: | Preemergence crabgrass control in bermudagrass |
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| Section: | Weed management in turf, pastures and rangeland
Other records with the "Weed management in turf, pastures and rangeland" Section
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| Meeting Info.: | 52nd Annual Meeting, Greensboro, NC, January 25-27, 1999 |
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| Source: | Southern Weed Science Society Proceedings. Vol. 52, 1999, p. 74. |
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| Publishing Information: | Champaign, IL: Southern Weed Science Society. |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Preemergence herbicides; Crabgrass control; Cynodon dactylon; Herbicide evaluation; Application timing; Tank mix; Golf rough; Application rates; Oryzalin; Trifluralin; Benfluralin; Dithiopyr; Oxadiazon; Prodiamine; Pendimethalin
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| Abstract/Contents: | "A field study was performed in bermudagrass (Cynodon dactylon) in 1998 to determine best preemergence control of crabgrass (Digitaria sp.). The trial was conducted in bermudagrass rough on a public golf course near Clemson University. Crabgrass is an aggressive summer annual that remains a consistent pest to golf course superintendents each year. The most accepted method for controlling crabgrass today is preemergence herbicides. These herbicides have the ability to persist in the soil for long periods of time providing effective control through most of the summer. The objectives of the study were to provide effective control of crabgrass, to identify a superior rate, and to research new products. The preemergence trial contained 22 treatments, replicated 4 times. Initial applications were made on March 10, 1998 . Sequential applications were 8 weeks after the initial. Treatments included various combinations, timings, and rates of Surflan (oryzalin), Team Pro (trifluralin + benefin), Dimension (dithiopyr), Ronstar (oxadiazon), Barricade (prodiamine), Pendimethalin, and a fertilizer blank. The trial was rated monthly for percentage control on a 0-100% scale. A minimum threshold was set at 70% control for crabgrass. The first rating was taken on April 24 and the ratings continued through the summer until September 9. Best preemergence control (80-100%) from April to September 1998 followed sequential applications of Surflan at 1.5 lbs ai/A, Team Pro at 2.0 lbs ai/A followed by Surflan at 1.5 lbs ai/A, and Dimension at 0.38 lb ai/A. Team Pro at 2.0lbs ai/A, Dimension 0.25 lb ai/A, Pendimethalin at 2.5 lbs ai/A, and Dithiopyr XF98-013 (experimental) at 0.38 lb ai/A treatments maintained control > 70% for most of the summer. Pendimethalin also showed (70-80%) control levels. Research on preemergence herbicides for the control of crabgrass will continue. This weed continues to be a undesirable, expensive, and constant pest to golf courses in the southeast". |
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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):
Toubakaris, M. R., J. K. Higingbottom, B. T. Bunnell, and L. B. McCarty. 1999. Preemergence crabgrass control in bermudagrass. South. Weed Sci. Soc. Proc. 52:p. 74. |
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MSU catalog number: SB 611 .S6 v.52 |
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