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| DOI: | 10.2134/agronj2016.04.0246 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/articles/0/0/agronj2016.04.0246
Last checked: 03/10/2017
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/109/4/1765
Last checked: 08/08/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Jeffries, Matthew D.;
Gannon, Travis W.;
Yelverton, Fred H. |
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| Author Affiliation: | Dep. of Crop Science, North Carolina State Univ., Raleigh, NC |
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| Title: | Tall fescue roadside right-of-way mowing reduction from imazapic |
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| Section: | International Turfgrass Research Conference
Other records with the "International Turfgrass Research Conference" Section
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| Source: | Agronomy Journal. Vol. 109, No. 4, July/August 2017, p. 1765-1770. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy |
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| # of Pages: | 6 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/aj/abstracts/0/0/agronj2016.04.0246
Last checked: 03/10/2017
Notes: Abstract only |
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| Keywords: | TIC Keywords: Clopyralid + Triclopyr; Festuca arundinacea; Growth regulator evaluation; Imazapic; Mowing frequency; Rights-of-way; Seedhead inhibition; Tank mix
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| Abstract/Contents: | "Tall fescue [Lolium arundinaceum (Schreb.) S.J. Darbyshire] is commonly established along roadside rights-of-way in adapted zones due to its tolerance of drought, heat, and wear; however, its upright growth habit coupled with seedhead production can impair motorist vision. Field research was conducted in 2013 and 2014 to quantify tall fescue mowing requirements following imazapic {( )-2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H- imidazol-2-yl]-5-methyl-3-pyridinecarboxylic acid}, an herbicide commonly used for plant growth regulation, application (53 g a.i. ha-1) alone, as well as tank-mixed with clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) + triclopyr {[(3,5,6-trichloro-2-pyridinyl)oxy]acetic acid} (158 + 473 g a.i. ha-1). Plots were mown at a 23- or 30-cm foliage intervention height following treatment. Nontreated-mown and nontreated-nonmown controls were included for comparisons. Evaluated herbicide treatments caused 0 to 20% tall fescue injury, which recovered following mowing. Additionally, imazapic provided 100% tall fescue seedhead suppression through 56 days after treatment (DAT). Imazapic reduced tall fescue mowing requirements at both intervention heights through 70 DAT. Two mowing cycles were reduced across intervention heights in 2013, while three and two cycles were reduced at 23 and 30 cm heights, respectively, in 2014. Lastly, imazapic + clopyralid + triclopyr application increased tall fescue cover 84 DAT. This information will allow vegetation managers to more efficiently allocate resources to maintain clear motorist sightlines on tall fescue roadside rights-of-way." |
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| Language: | English |
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| References: | 21 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jeffries, M. D., T. W. Gannon, and F. H. Yelverton. 2017. Tall fescue roadside right-of-way mowing reduction from imazapic. Agron. J. 109(4):p. 1765-1770. |
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| DOI: 10.2134/agronj2016.04.0246 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/articles/0/0/agronj2016.04.0246
Last checked: 03/10/2017
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/aj/pdfs/109/4/1765
Last checked: 08/08/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212646a |
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