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| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1994.03615995005800040019x
Last checked: 03/01/2024
Access conditions: Item is within a limited-access website
Notes: Abstract only
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj1994.03615995005800040019x
Last checked: 03/01/2024
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): | Ou, L.-T.;
Thomas, J. E.;
Dickson, D. W. |
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| Author Affiliation: | Departments of Soil and Water Science, Entomology, and Nematology, University of Florida, Gainesville, FL 32611 |
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| Title: | Degradation of fenamiphos in soil with a history of continuous fenamiphos applications |
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| Source: | Soil Science Society of America Journal. Vol. 58, No. 4, July/August 1994, p. 1139-1147. |
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| Publishing Information: | Madison, WIS |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Fenamiphos; Mineralization; Degradation; Nematicides; USEPA; Golf courses
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| Abstract/Contents: | "The efficacy of the nematicide fenamiphos [ethyl-3-methyl-4-(methlthio)phenyl (1-methylethyl) phosphoramidate] often is reduced when applied annually or biannually for extended periods to turfgrasses in Florida. This study was conducted near Gainesville, FL, on a Blichton sand (loamy, siliceous, hyperthermic Arenic Plinthic Paleaquults) to determine whether the degradation of fenamiphos was enhanced by long-term applications to a turfgrass golf course fairway and putting green. 14C-fenamiphos was used for determination of mineralization rates, metabolites, and mass balance. Initial mineralization of 14C-fenamiphos in soil collected from the turfgrass site was more rapid than in soil collected from the rough (untreated). Fenamiphos sulfoxide (FSO) was the main metabolite detected, whereas fenamiphos sulfone (FSO2) was either not detected or only occasionally detected in trace amounts. Half-life values for total toxic residues (TTR, fenamiphos + FSO + FSO2) in soil samples collected from the site were all small, ranging from 0.9 to 4.2 d, and half-life values for TTR in soil collected after the fenamiphos application were smaller than in soil collected before the application. Total 14C recovery from 14C-fenamiphos-treated surface soil collected 0.7 mo after the annual application was well below 100%. Rapid initial mineralization of fenamiphos was also observed in this sample. Applications of fenamiphos to the same site for prolonged periods appear to increase the potential for enhanced degradation of TTR." |
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| Language: | English |
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| References: | 18 |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ou, L.-T., J. E. Thomas, and D. W. Dickson. 1994. Degradation of fenamiphos in soil with a history of continuous fenamiphos applications. Soil Sci. Soc. Am. J. 58(4):p. 1139-1147. |
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| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj1994.03615995005800040019x
Last checked: 03/01/2024
Access conditions: Item is within a limited-access website
Notes: Abstract only
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj1994.03615995005800040019x
Last checked: 03/01/2024
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 590 .S65 |
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