Full TGIF Record # 73950
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Boyd, J. W.; Rodgers, B. N.
Author Affiliation:University of Arkansas, Little Rock, AR
Title:Preemergence crabgrass control with consumer products
Section:Section II: Weed management in turf, pasture and rangeland
Other records with the "Section II: Weed management in turf, pasture and rangeland" Section
Meeting Info.:53rd Annual Meeting, Tulsa, OK, January 24-26, 2000
Source:Southern Weed Science Society Proceedings. Vol. 53, 2000, p. 55-56.
Publishing Information:Champaign, IL: Southern Weed Science Society.
# of Pages:2
Keywords:TIC Keywords: Preemergence weed control; Crabgrass control; Digitaria sanguinalis; Herbicides; Herbicide evaluation; Benfluralin; Pendimethalin; Trifluralin; Prodiamine; Isoxaben; Dithiopyr; Product profile; Granules; Herbicide combinations
Abstract/Contents:"The active ingredients in consumer herbicides are a normal part of university trials, but the actual products are rarely evaluated. These products warrant investigation because the amount of active ingredient delivered by homeowner formulations is often significantly less than would normally be recommended for a commercial applicator. Studies were conducted at Lonoke, North Little Rock and Fayetteville, Arkansas during 1998 and 1999 to evaluate various homeowner-targeted products forpreemergencecrabgrass [for preemergence crabgrass] control. The Fayetteville site was irrigated tall fescue. The Lonoke (irrigated) and North Little Rock (dryland) locations were common bermudagrass. The products evaluated were granular and applied with a 3 ft by 4-ft Scottsbox. Experimental design was a randomized block with four replications. Each site had a native stand of large crabgrass (Digitaria sanguinalis) and was supplemented by overseeding. Balan 2.5G, Crab Ex, Hi-Yield Crabgrass Control and Pendulum 2G did not contain nutrients. The other products used supplied approximately 1 lb of N per 1,000 sq ft. Treatments common to both years of the study were Pendulum 2G (pendimethalin at 3.0 lb/ai/a), Scotts TurfBuilder Plus Halts 28-3-4 (pendimethalin at 1.66 lb/ai/a), Fertilome Crabgrass 20-3-3 (benefin + trifluralin at 2.0 + 1.0 lb/ai/a), Hi-Yield Crabgrass Control (benefin + trifluralin at 2.0 + 1.0 lb/ai/a) and Blue Seal Safe `n [n'] Simple (corn gluten at 871 lb/a). Crabgrass control averaged over years and locations at 110 to 120 days after treatment (DAT) for Fertilome, Pendulum, TurfBuilder, Hi-Yield and Safe n' Simple was 87, 82, 82 [,] 63% and 0%, respectively. Treatments unique to 1998 were Pennington 28-3-4 (prodiamine at 0.35 lb/ai/a), Howard Johnson 24-6-12 (prodiamine at 0.75 lb/ai/a), Fertilome Prevent 18-6-12 (isoxaben + benefin + trifluralin at 1.1 + 2.0 + 1.0 lb/ai/a), Vigoro Team 28-3-4 (benefin + trifluralin at 1.8 + 1.0 lb/ai/a), K-Grow Team (benefin + trifluralin at 1.8 + 1.0 lb/ai/a) and Balan 2.5G (benefin at 3.0 lb/ai/a). Average crabgrass control (3 locations) in 1998 at 100 to 110 DAT was Fertilome Prevent 91%, Pennington 78%, Vigoro Team 71%, Howard Johnson 70%, K-Grow Team 41%, and Balan 37%. Treatments unique to 1999 were RegalKade 32-3-12 (prodiamine at 0.75 lb/ai/a), Crab Ex 28-3-4 (dithiopyr at 0.16 and 0.19 lb/ai/a), Crab Ex 28-3-4 (dithiopyr at 0.19 lb/ai/a) and Crab-Ex (dithiopyr at 0.3 lb/ai/a). Average crabgrass control (3 locations) in 1999 at 100 to 149 DAT was RegalKade 84%, Crab Ex 28-3-4 (0.19 lb ai/a [lb/ai/a]) 50%, Crab Ex 28-3-4 (0.16 lb/ai/a) 27%, and Crab Ex (0.3 lb/ai/a) 56%. In general, the most effective consumer products were Fertilome Crabgrass, Fertilome Prevent, Scotts Turfbuilder [TurfBuilder] + Halts. These products were comparable to the commercial standards Pendulum 2G and RegalKade."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Boyd, J. W., and B. N. Rodgers. 2000. Preemergence crabgrass control with consumer products. South. Weed Sci. Soc. Proc. 53:p. 55-56.
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