Full TGIF Record # 65362
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Watschke, T. L.; Borger, J. A.
Author Affiliation:Watschke: Professor, Department of Agronomy, Penn State University, University Park, PA; Borger: Research Assistant, Department of Agrnomy, Penn State University, University Park, PA
Title:Broadleaf weed control in 1999
Section:Turfgrass and plant growth regulators
Other records with the "Turfgrass and plant growth regulators" Section
Meeting Info.:Baltimore, MD: January 3-6, 2000
Source:Proceedings of the 54th Annual Meeting of the Northeastern Weed Science Society. Vol. 54, 2000, p. 106.
Publishing Information:College Park, MD: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Lolium perenne; Broadleaf weed control; Herbicides; Taraxacum officinale; Plantago major; Trifolium repens; Experimental products; Quinclorac; 2,4-D + Mecoprop + dicamba; Clopyralid + triclopyr; 2,4-D; Fenoxaprop-ethyl; Herbicide combinations
Abstract/Contents:"This study was conducted on a mature stand of perennial ryegrass at the Landscape Management Research Center, Penn State University, University Park, PA. The objective of the study was to determine the efficacy of broadleaf weed herbicides when applied in early and late summer for control of dandelion, common plantain, and white clover. This study was a randomized complete block design with three replications. All of the treatments were applied on June 7 and August 31, 1999 using a three foot CO₂ powered boom sprayer calibrated to deliver 40 gpa using two, flat fan, 6504 nozzles at 40 psi. Control of the weeds was rated on August 9 and Oct 6, 1999. The treatments were: L-0337, L-0338, Dive [Drive], Drive and Momentum, NB20332, NB30401, NB30402, NB30403, NB20334, NB30405, Trimec Classic, Confront, Momentum, Weed-B-Gone, Acclaim Extra and Confront, Preclaim and Confront. Applications of the commercial standards Momentum, Trimec Classic, Confront, and Weed-B-Gone result in very good to excellent control of white clover and common plantain, however, all of the standards had relatively poor control of dandelion when rated on Aug 9. Observation of the dandelions 4 to 6-weeks after applications revealed apparent good control. However, by the eight-week rating date, many of the dandelions had resprouted from the taproot. All of the treatments had some level of control of common plantain and white clover, but all had limited control of dandelion. Of the series, NB20334 appeared to have best range of control across the three weed species but still not acceptable on dandelion. The addition of Acclaim Extra to Confront did not appear to antagonize efficacy as Acclaim or Preclaim. Drive provided excellent control of white clover by itself. Combining Drive with Momentum (L0338) improved common plaintain control slightly. Tank mixing Drive and Momentum resulted in improved dandelion control compared to Momentum alone, but the control of white clover was decreased. All treatments were reapplied on Aug 31 and a second rating for control was made on Oct 6. All treatments provided acceptable dandelion control except NB30405, and the combination of Preclaim and Confront. All treatments provided acceptable plantain control except L-0337 (Drive G) Drive. Only NB30405 failed to provide acceptable control of white clover."
Language:English
References:0
See Also:Other items relating to: 2, 4 - D in Turf
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Watschke, T. L., and J. A. Borger. 2000. Broadleaf weed control in 1999. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 54:p. 106.
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