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Degradation of Dichlormid and Dietholate in Soils with Prior EPTC, Butylate, Dichlormid, and Dietholate Exposure

Published online by Cambridge University Press:  12 June 2017

Robert G. Wilson  and
James E. Rodebush
Robert G. Wilson
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
James E. Rodebush
Affiliation:
Stauffer Chemical Co., Syracuse, NE
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Abstract

Field and laboratory experiments were conducted in 1983 and 1984 to compare the degradation of dichlormid (2,2-dichloro-N,N-di-2-prophenylacetamide), dietholate (O,O-diethyl O-phenylphosphorothioate), EPTC (S-ethyl dipropyl carbamothioate), and butylate [S-ethyl bis(2-methylpropyl) carbamothioate] in soils that had or had not been previously treated with each chemical. EPTC + dichlormid, butylate + dichlormid, EPTC + dichlormid + dietholate, or butylate + dichlormid + dietholate were applied annually for 4 yr to field plots to establish treatment histories. Butylate and EPTC degradation was enhanced in soils with previous histories of butylate and EPTC, respectively. Degradation rates of dietholate were equivalent in untreated soils or soils previously treated with EPTC + dietholate or butylate + dietholate.

Keywords

Soil historiesaccelerated degradationantidoteextender
Type
Soil, Air, and Water
Information
Weed Science , Volume 35 , Issue 2 , March 1987 , pp. 289 - 294
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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