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| Web URL(s): | https://archive.lib.msu.edu/tic/its/articles/2009jou1237.pdf
Last checked: 10/18/2011
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| Publication Type:
| Refereed |
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| Author(s): | Williams, Matthew W.;
Johnston, William J.;
Yenish, Joseph P.;
Miltner, Eric D.;
Golob, Charles T. |
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| Author Affiliation: | Department of Crop and Soil Sciences, Washington State University, Pullman, Washington |
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| Title: | Glasshouse evaluation of pre-plant and at planting applications of mesotrione on perennial ryegrass and chewings fescue |
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| Section: | Weed science
Other records with the "Weed science" Section
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| Meeting Info.: | Santiago, Chile: July 26-30 2009 |
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| Source: | International Turfgrass Society Research Journal. Vol. 11, No. Part 2, 2009, p. 1237-1245. |
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| Publishing Information: | Madison, WI: International Turfgrass Society |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Application rates; Application timing; Festuca rubra subsp. commutata; Greenhouses; Lolium perenne; Mesotrione; Siduron; Weed control
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| Abstract/Contents: | "Weed control options during turfgrass establishment are limited. There is currently only one herbicide, siduron (N- [2-methylcyclohexyl] N'-phenylurea), which is impregnated on fertilizer for use at seeding in turfgrass. Siduron effectively controls grass weeds, but has little efficacy on broadleaf weeds. Mesotrione (2-[4-(methylsulfonyl)-2-nitrobenzoyl]-1, 3-cyclohexanedione) has proven to selectively control a broad spectrum of broadleaf and some grass weeds in cool-season turfgrass, and may also be impregnated on fertilizer. Glasshouse evaluations were conducted at Pullman, WA in the spring (April and May) of 2007 to evaluate turfgrass safety to four rates of mesotrione (161 g ha-1, 282 g ha-1, 343 g ha-1, and 565 g ha-1) applied to 'Treazure' chewings fescue (Festuca rubra L. ssp. commutata Gaudin) and 'Gallery' perennial ryegrass (Lolium perenne L.). Each rate was applied at four timings (4-week pre-plant, 2-week pre-plant, 1-week pre-plant, and at planting). The soil was a Palouse silt loam (Pachic Ultic Haploxerolls, fine silty, mixed, mesic). No mesotrione rates or application timings were safe to apply when seeding chewings fescue, as there was a reduction in shoot dry weight, unacceptable phytotoxicity, and a reduction in seedling emergence. All mesotrione rates and application timings were safe on perennial ryegrass, as dry weight reductions were minimal, full recovery from initial phytotoxicity occurred, and seedling emergence was 95% by the conclusion of the study (35 days after planting). Mesotrione was safe to apply to perennial ryegrass at, or prior to planting, but was not considered to be safe on chewings fescue at the rates and timings included in this study." |
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| Language: | English |
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| References: | 19 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Williams, M. W., W. J. Johnston, J. P. Yenish, E. D. Miltner, and C. T. Golob. 2009. Glasshouse evaluation of pre-plant and at planting applications of mesotrione on perennial ryegrass and chewings fescue. Int. Turfgrass Soc. Res. J. 11(Part 2):p. 1237-1245. |
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MSU catalog number: b2548899 |
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