Full TGIF Record # 109703
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Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/41/1/article-p252.xml?rskey=FZePqV
    Last checked: 11/19/2019
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Author(s):McElroy, J. Scott; Breeden, Greg K.
Author Affiliation:McElroy: Assistant Professor; Breeden: Research and Extension Associate, Plant and Sciences Department, The University of Tennessee, Knoxville, Tennessee
Title:Tall fescue seeling tolerance to cerfentrazone, bromoxynil, quinclorac, and siduron
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 41, No. 1, February 2006, p. 252-254.
# of Pages:3
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Siduron; Quinclorac; Broadleaf weed control; Turfgrass establishment; Herbicide injury; Herbicide evaluation; Festuca arundinacea; Carfentrazone; Bromoxynil; Herbicide resistance
Abstract/Contents:"Siduron and quinclorac provide limited broadleaf weed control during seeded establishment of tall fescue. Carfentrazone and bromoxynil are contact herbicides that act primarily on broadleaf, dicot species. Research was conducted to evaluate tall fescue tolerance to carfentrazone or bromoxynil when integrated into traditional siduron and quinclorac weed control programs. Quinclorac at 0.84 kg路ha-1 applied at seeding followed by quinclorac at 0.84 kg路ha-1 35 days after emergence (DAE) and quinclorac at 1.68 kg路ha-1 plus carfentrazone at 0.034 kg路ha-1 applied DAE were the most injurious to tall fescue 42 and 49 DAE. While quinclorac sequential applications reduced turfgrass groundcover 42 DAE, tall fescue recovered by 49 DAE. Injury from all quinclorac treatments persisted until 63 DAE. Bromoxynil (0.28 or 0.56 kg路ha-1) or carfentrazone (0.017 or 0.034 kg路ha-1) caused minimal injury and no decrease in turfgrass groundcover when applied 35 DAE. While siduron applied at seeding followed by (fb) bromoxynil applied 35 DAE (6.7 fb 0.56 kg路ha-1) caused minimal tall fescue injury, a decrease in groundcover was observed at 49 DAE. No tall fescue cover reduction was observed for any treatment by 63 DAE. These data indicate that bromoxynil and carfentrazone can be safely used during seeded establishment of tall fescue beginning 35 DAE with no long-term effects on turfgrass stand development."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McElroy, J. S., and G. K. Breeden. 2006. Tall fescue seeling tolerance to cerfentrazone, bromoxynil, quinclorac, and siduron. HortScience. 41(1):p. 252-254.
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DOI: 10.21273/HORTSCI.41.1.252
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    Last checked: 11/19/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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