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| DOI: | 10.1002/ps.540 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1002/ps.540/full
Last checked: 01/31/2014
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http://onlinelibrary.wiley.com/doi/10.1002/ps.540/pdf
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| Publication Type:
| Refereed |
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| Author(s): | Bromilow, Richard H.;
Evans, Avis A.;
Nicholls, Peter H. |
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| Author Affiliation: | IACR-Rothamsted, Harpenden, Herts, UK |
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| Title: | The influence of lipophilicity and formulation on the distribution of pesticides in laboratory-scale sediment/water systems |
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| Section: | Environmental behaviour of pesticides
Other records with the "Environmental behaviour of pesticides" Section
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| Source: | Pest Management Science. Vol. 59, No. 2, February 2003, p. 238-244. |
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| Publishing Information: | London: for the Society of Chemical Industry by John Wiley & Sons |
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| # of Pages: | 7 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1002/ps.540/abstract
Last checked: 01/31/2014
Notes: Abstract only |
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| Keywords: | TIC Keywords: Pesticides; Sorption; Surface water; Triasulfuron; Isoproturon; Phenmedipham; Difenoconazole; Chlorpyrifos; Pendimethalin; Permethrin; Pesticide fate; Degradation
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| Abstract/Contents: | "Pesticide reaching surface waters will be sorbed by sediment. This sorption process and the influence of pesticide formulation have been examined at 10°C in small-scale systems having 2-cm depth of sediment and 8-cm overlying water stirred gently. Eight pesticides (triasulfuron, isoproturon, chlorotoluron, phenmedipham, difenoconazole, chlorpyrifos, pendimethalin and permethrin), spanning a range of physicochemical properties, were applied individually to the water. Sorption equilibrium was reached at between 15 and 30 days, the proportion of pesticide then in the sediment ranging from 20% for the acidic and therefore polar triasulfuron to 97% for the lipophilic permethrin; this behaviour was not influenced by formulation. Sorption coefficients measured in batch tests over 2h gave good estimates of the equilibrium distribution. Some degradation was observed for all compounds over 90 days; for some compounds and formulations, enhanced degradation occurred after 20 to 60 days. It is concluded that lipophilicity is the chief determinant of pesticide distribution in sediment/water systems." |
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| Language: | English |
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| References: | 9 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bromilow, R. H., A. A. Evans, and P. H. Nicholls. 2003. The influence of lipophilicity and formulation on the distribution of pesticides in laboratory-scale sediment/water systems. Pest Manage. Sci. 59(2):p. 238-244. |
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| DOI: 10.1002/ps.540 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1002/ps.540/full
Last checked: 01/31/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1002/ps.540/pdf
Last checked: 01/31/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 951 .A1 P45 |
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