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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1990.tb01724.x/epdf
Last checked: 10/13/2015
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Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Lehmann, R. G.;
Miller, J. R.;
Olberding, E. L.;
Tillotson, P. M.;
Laskowski, D. A. |
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| Author Affiliation: | North American Environmental Chemistry Laboratory, Dow Elanco, Midland, MI; Manteq International Inc., Midland, MI |
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| Title: | Fate of fluroxypyr in soil: I. Degradation under laboratory and greenhouse conditions |
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| Source: | Weed Research. Vol. 30, No. 5, October 1990, p. 375-382. |
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| Publishing Information: | Oxford: Blackwell Scientific Publications |
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| Keywords: | TIC Keywords: Fluroxypyr; Degradation; Soil temperature; Soil moisture
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| Abstract/Contents: | "Fluroxypyr-MHE (methylheptyl ester) was added to four soils and incubated at 26 + or - 1 degree Celcius and approximately 0.1 MPa moisture. After initial rapid hydrolysis of the ester to fluroxypyr, fluroxypyr degraded with half-lives of 12, 12, 23, and 7 days in Barnes loam, Catlin silt loam, Hanford sandy loam, and Mhoon clay soils, respectively. Two metabolites (4-amino-3,5-dichloro-6-fluoro-pyridin-2-ol and 4-amino-3,5-dichloro - 6 - fluoro - 2 -methoxypyridine) were identified, with the pyridinol at its maximum concentration after 2 to 4 weeks of incubation, and the methoxypyridine after 8 weeks. Degradation rates of fluroxypyr and its pyridinol were not significantly altered by diurnally varying soil temperature (21 degrees Celcius to 32 degrees Celcius) or moisture, nor by the presence of growing grass. Methoxypyridine dissipation was more rapid under greenhouse conditions, suggesting that laboratory studies underestimated the dissipation rate of this metabolite." |
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| Language: | English |
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| References: | 16 |
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| Note: | Tables
Graphs
Figures
Summary appears in French and German |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Lehmann, R. G., J. R. Miller, E. L. Olberding, P. M. Tillotson, and D. A. Laskowski. 1990. Fate of fluroxypyr in soil: I. Degradation under laboratory and greenhouse conditions. Weed Res. 30(5):p. 375-382. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3180.1990.tb01724.x/epdf
Last checked: 10/13/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 599 .W4 |
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