Full TGIF Record # 42163
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Web URL(s):http://www.newss.org/proceedings/proceedings_1996_vol50.pdf#page=59
    Last checked: 07/24/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Czarnota, M. A.; Bingham, S. W.
Author Affiliation:Grad. Res. Asst. and Prof. respectively, Department of Plant Pathology, Physiology and Weed Science, Virginia Polytechnic Institute and University, Blacksburg, VA
Title:Broadleaf weed control in bluegrass
Meeting Info.:Williamsburg, VA; January 2-5, 1996
Source:Proceedings of the 50th Annual Meeting of the Northeastern Weed Science Society. Vol. 50, 1996, p. 59.
Publishing Information:College Park, MD: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Broadleaf weed control; Clopyralid + Triclopyr; Herbicide efficacy; Herbicide evaluation; Isoxaben; Phenoxy-type herbicides; Poa pratensis
Cultivar Names:Plush
Trade Names:Confront; Gallery
Abstract/Contents:"Confront (triclopyr/chlorpyralid) and gallery (isoxaben) herbicides were compared to phenoxy herbicides for broadleaf weed control in Kentucky bluegrass (Poa pratensis L. "Plush'). In 1995, two identical tests were established at VPI&SU Turfgrass Research Center. These test areas were aerified, vertically mowed and fertilized at a rate of 1 lb N/1000ft2. Turfgrass was maintained at 1.5 inches and irrigated as needed. Tests were initiated on May 8 and contained three replications. Control(0 to 100 scale) of mouseear chickweed (Cerastium vulgatum L.), broadleaf plantain (Plantago major L.), buckhorn plantain (Plantago lanceolata L.), dandelion (Taraxacum officinale Wiggers), white clover (Trifolium repens L.) and crabgrass (Digitaria sanguinails (L.) Scoop) were determined. Kentucky bluegrass was evaluated for injury, quality and percent cover. In test one, there was no significant injury with any of the treatments. By 8 weeks after treatment (WAT) phenoxy herbicides were providing adequate control of white clover and plantains, and only a few of the phenoxy herbicides provided adequate dandelion control. Confront, at 8 WAT, provided poor control of dandelions and both plantains while providing good control over white clover. Gallery used alone provide poor control of all weed species. Confront and gallery combinations, however, provide good to excellent (>80%) control of all broadleaf weeds. Moreover, Gallery/phenoxy combinations provided good to excellent control of both plantain species and white clover at 8 WAT. In test two, there was no significant injury with any of the treatments. Plantains were not rated in this test. The phenoxy herbicides provided varying control of the broadleaf weeds tested. At 8 WAT, confront provided good to excellent control of dandelion and white clover while providing poor control of mouseear chickweed. Gallery alone provided poor control of all weeds. Confront and Gallery combinations provided good to excellent control of all broadleaf weeds rated by 8 WAT. Moreover, Gallery/phenoxy combinations provided similar results at 8 WAT. In both tests, turfgrass quality reflected weed control ability of the herbicides. Quality was higher in treatments that provided good long term weed control, while in treatments that provide short term or poor weed control, quality remained at or below acceptable. In both of the tests, it was discovered that the Gallery/Confront combinations provided some crabgrass control. This data was consistent with 1994 data, in the Gallery/Confront combinations provided excellent crabgrass control (>90%). At present, it is not understood why the combinations provide crabgrass control."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Czarnota, M. A., and S. W. Bingham. 1996. Broadleaf weed control in bluegrass. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 50:p. 59.
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http://www.newss.org/proceedings/proceedings_1996_vol50.pdf#page=59
    Last checked: 07/24/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 610 .N62 v. 50
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