Full TGIF Record # 225646
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Web URL(s):http://www.swss.ws/wp-content/uploads/docs/2008 Proceedings-SWSS.pdf#page=261
    Last checked: 07/24/2013
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Publication Type:
i
Report
Author(s):Atkinson, J. A.; Estes, A. G.; McCarty, L. B.
Author Affiliation:Department of Horticulture, Clemson University, Clemson, SC
Title:Preemergence smooth crabgrass control in bermudagrass
Section:Weed management in turf
Other records with the "Weed management in turf" Section
Meeting Info.:Jacksonville, Florida: January 27-30, 2008
Source:2008 Proceedings, Southern Weed Science Society. Vol. 61, 2008, p. 120.
Publishing Information:Champaign, Illinois: Southern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Crabgrass control; Cynodon; Digitaria ischaemum; Herbicide efficacy; Herbicide evaluation; Preemergence weed control
Abstract/Contents:"Smooth Crabgrass (Digitaria ischaemum) is a widely distributed summer annual clumping weed. Smooth Crabgrass produces unsightly seed heads that disrupt the uniformity of the turf. The purpose of this research was to determine the efficacy of various preemergent herbicides in different formulations and rates for smooth crabgrass control. In spring of 2007 two studies were conducted at Clemson University to investigate preemergent crabgrass control in bermudagrass. In the first study preemergent herbicides commonly used for preemergent crabgrass control were tested for their effectiveness. Plot size for each treatment measured 2 m by 2 m, replicated three times. All applications were made using a CO2 backpack sprayer operating at 20 GPA with an 8003 flat fan nozzle. Initial preemergent applications were on March 19, 2007 with sequential applications applied on May 22, 2007. Treatments included Pendulum (Pendimethalin) (3.8 CS) at 1.5 lb ai/A fb Pendulum (Pendimethalin) (3.8 CS) at 1.5 lb ai/A 8 WAIT; Pendulum (Pendimethalin) (3.8 CS) 1.5 lb ai/A fb Drive (Quinclorac) (75 DF) at 0.75 lb ai/A + MSO (L) at 24 fl oz/A 8 WAIT; Drive (Quinclorac) (75 DF) at 0.75 lb ai/A + MSO (L) 24 fl oz/A; Barricade (Prodiamine) (4 L) at 0.75 lb ai/A fb Barricade (Prodiamine) (4 L) at 0.38 lb ai/A 8 WAIT. In a second study less commonly used herbicides for preemergent crabgrass control were tested for crabgrass control effectiveness. Plot size for each treatment measured 2 m by 2 m, replicated three times. All applications were made using a CO2 backpack sprayer operating at 20 GPA with an 8003 flat fan nozzle. Initial preemergent applications were on March 19, 2007 with sequential applications applied on May 22, 2007. Treatments included Dismiss (Sulfentrazone) (4 FL) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.75 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) (4 SC) 0.375 lb ai/A 8 WAIT; Echelon (Prodiamine + Sulfentrazone) (0.3 G) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3 G) at 0.75 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3 G) at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3 G) at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) (0.3 G) at 0.375 lb ai/A 8 WAIT; Echelon (Prodiamine + Sulfentrazone) Fert. Carrier (0.3 G) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) Fert. Carrier (0.3 G) at 0.75 lb ai/A; Echelon (Prodiamine + Sulfentrazone) Fert. Carrier (0.3 G) at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) Fert. Carrier (0.3 G) at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) Fert. Carrier (0.3 G) at 0.375 lb ai/A 8 WAIT; Barricade (Prodiamine) (4 L) at 0.5 lb ai/A; Pendulum (Pendimethalin) (3.8 CS) at 3 lb ai/A. Visual crabgrass ratings were taken on August 22 and September 11, 2007. Ratings were based on a scale of 0- 100% with 0% representing no control and 100% representing no crabgrass present. In the final visual rating on September 11, 2007, excellent control (90%-100%) in bermudagrass resulted from all treatments. In the second study, excellent control (90%-100%) resulted from Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.75 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) (4 SC) 0.375 lb ai/A 8 WAIT; Echelon (Prodiamine + Sulfentrazone) (0.3G) at 0.75 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3G) at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3G) at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) (0.3G) at 0.375 lb ai/A 8 WAIT; Echelon (Prodiamine + Sulfentrazone) (0.3G) Fert. Carrier at 1.125 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (0.3G) Fert. Carrier at 0.75 lb ai/A fb Echelon (Prodiamine + Sulfentrazone) (0.3G) Fert. Carrier at 0.375 lb ai/A 8 WAIT; Barricade (Prodiamine) (4 L) at 0.5 lb ai/A; Pendulum (Pendimethalin) (3.8 CS) at 3 lb ai/A. Good control (80%-89%) resulted from Echelon (Prodiamine + Sulfentrazone) (4 SC) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (3 G) at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (3 G) Fert. Carrier at 0.375 lb ai/A; Echelon (Prodiamine + Sulfentrazone) (3 G) Fert. Carrier at 0.75 lb ai/A. All other treatments in the second study resulted in unacceptable control (<70%)."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Atkinson, J. A., A. G. Estes, and L. B. McCarty. 2008. Preemergence smooth crabgrass control in bermudagrass. South. Weed Sci. Soc. Proc. 61:p. 120.
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http://www.swss.ws/wp-content/uploads/docs/2008 Proceedings-SWSS.pdf#page=261
    Last checked: 07/24/2013
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    Notes: Item is within a single large file
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