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| DOI: | 10.21273/HORTSCI.48.10.1313 |
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| Publication Type:
| Refereed |
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| Author(s): | G贸mez de Barreda, Diego;
Yu, Jialin;
McCullough, Patrick E. |
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| Author Affiliation: | G贸mez de Barreda: Associate Professor, Universitat Polit猫cnica de Val猫ncia, Valencia, Spain; Yu: Graduate Assistant; McCullough: Assistant Professor, Crop and Soils, University of Georgia, Griffin, GA |
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| Title: | Seedling tolerance of cool-season turfgrasses to metamifop |
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| Section: | Turf management
Other records with the "Turf management" Section
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| Source: | HortScience. Vol. 48, No. 10, October 2013, p. 1313-1316. |
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| Publishing Information: | Alexandria, Virginia: American Society for Horticultural Science |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Application timing; Establishment rate; Fenoxaprop-ethyl; Festuca arundinacea; Herbicide resistance; Lolium perenne; Metamifop; Weed control
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| Abstract/Contents: | "Grassy weeds may reduce cool-season turfgrass establishment after seeding and herbicide use is often warranted. Field experiments were conducted to evaluate the tolerance of creeping bentgrass (Agrostis stolonifera L.), perennial ryegrass (Lolium perenne L.), and tall fescue (Festuca arundinacea Schreb.) to fenoxaprop and metamifop applications at 1, 2, 3, or 4 weeks after seeding (WAS). Creeping bentgrass groundcover was reduced from 34% to 71% at 8 WAS from the nontreated by fenoxaprop at 50 g a.i./ha and metamifop at 400 and 800 g a.i./ha at all application timings. Metamifop at 200 g路ha-1 reduced creeping bentgrass cover 10% to 18% from the nontreated at 8 WAS when applied 1, 2, or 3 WAS, but treatments at 4 WAS did not reduce cover. Perennial ryegrass treated with fenoxaprop and metamifop at 800 g路ha-1 at 1 WAS had cover reduced from the nontreated on two and one dates, respectively, whereas tall fescue cover was never reduced greater than 5% from the nontreated. Results suggest applications to creeping bentgrass should be delayed greater than 4 WAS for fenoxaprop at 50 g路ha-1, greater than 4 WAS for metamifop at 400 and 800 g路ha-1, and 3 WAS for metamifop at 200 g路ha-1. Additionally, fenoxaprop applications should be delayed 2 WAS for perennial ryegrass and tall fescue, whereas metamifop could be safely applied at all rates at 1 WAS." |
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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):
G贸mez de Barreda, D., J. Yu, and P. E. McCullough. 2013. Seedling tolerance of cool-season turfgrasses to metamifop. HortScience. 48(10):p. 1313-1316. |
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| DOI: 10.21273/HORTSCI.48.10.1313 |
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MSU catalog number: b2217685a |
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