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Web URL(s): | http://www.newss.org/proceedings/proceedings_2004_vol58.pdf#page=116 Last checked: 07/23/2013 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Weston, L.;
Barney, J. |
Author Affiliation: | Cornell University, Ithaca, New York |
Title: | Broadleaf weed control with carfentrazone combinations in turfgrass settings |
Section: | Turfgrass and plant growth regulators section Other records with the "Turfgrass and plant growth regulators section" Section
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Meeting Info.: | Marriott Cambridge Center, Cambridge, Massachusetts: January 5-8, 2004 |
Source: | Proceedings: NortheasternWeed Science Society. Vol. 58, 2004, p. 116. |
Publishing Information: | Ithaca, NY: Northeastern Weed Science Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Broadleaf herbicides; Broadleaf weed control; Carfentrazone-ethyl; Herbicide combinations; Herbicide efficacy; Herbicide evaluation; Postemergence herbicides
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Trade Names: | QuickSilver |
Abstract/Contents: | "QuickSilver, carfentrazone-ethyl, is a new postemergence broadleaf turf herbicide manufactured by FMC. Carfentrazone, a protox inhibitor, causes rapid necrosis and death of sensitive broadleafs by disruption of photosynthesis and subsequent membrane degradation. When applied in combination with other broadleaf herbicides, the spectrum and rapidity of broadleaf control is enhanced. Currently PBI Gordon is marketing Speed Zone and Power Zone, consisting of carfentrazone-ethyl formulated with 2,4-D, MCPP and dicamba or MCPA, MCPP and dicamba. Carfentrazone remains active in cool weather conditions (45 F or higher) and formulations containing QuickSilver are generally rainfast within hours. Compared to many broadleaf products, carfentrazone-ethyl also has limited soil persistence and good toxicological properties. A series of studies were performed to evaluate the efficacy of QuikSilver applied at a standard rate (0.020 kg/ha) in combination with other broadleaf herbicide mixtures including Eliminate (dicamba, MCPA, triclopyr), Trimec Classic (2,4-D, dicamba, MCPP), and Chaser 2 Amine (2,4-D and triclopyr) at standard rates. Application occurred in late May 2003. A separate study was conducted to evaluate QuickSilver at a standard rate with several rates of Confront (triclopyr plus clopyralid), Turflon (2,4-D plus triclopyr) and Garlon Ev (triclopyr). Herbicides were applied in early July 2003. It was hypothesized that a synergistic effect of QuickSilver and selected broadleaf herbicides would result in greater control of difficult to manage broadleafs than either herbicide product applied separately. In late May, postemergence applications resulted in minimal broadleaf control of dandelion (Taraxacum officinale), broadleaf plantain (Plantago major), white clover (Trifolium repens) and healall (Prunella vulgaris) (10 to 30%). Combinations of QuickSilver and Eliminate, Trimec Classic or Chaser 2 Amine provided increased broadleaf control for weeds described above (60-80%). However, ratings were generally not significantly improved in comparison to these products applied alone at standard rates. In early July, QuickSilver T&O at standard rates again provided only moderate control (10 to 40%) of broadleaf weeds such as dandelion, white clover, veronica spp. ground ivy (Glechoma hederacea) and broadleaf plantain. However, when applied in combination with Confront, Turflon or Garlon, control was generally markedly improved to levels of 70 to 90% or greater. In combination with these products, QuickSilver appeared to act synergistically in this instance, as control was significantly improved for most weeds and most product combinations as compared to each product applied separately." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Weston, L., and J. Barney. 2004. Broadleaf weed control with carfentrazone combinations in turfgrass settings. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 58:p. 116. |
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| Web URL(s): http://www.newss.org/proceedings/proceedings_2004_vol58.pdf#page=116 Last checked: 07/23/2013 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: SB 610 .N62 v. 57 |
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