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Photodecomposition of Substituted Phenylureas

Published online by Cambridge University Press:  12 June 2017

L. S. Jordan ,
C. W. Coggins Jr. ,
B. E. Day  and
W. A. Clerx
L. S. Jordan
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
C. W. Coggins Jr.
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
B. E. Day
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
W. A. Clerx
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
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Abstract

Four concentrations of 3-(p-chlorophenyl)-1,1-dimethylurea (monuron), 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron), 1-n-butyl-3-(3,4-dichlorophenyl)-1-methylurea (neburon) and 3-phenyl-1,1-dimethylurea (fenuron), adsorbed on photometrically uniform filter paper, were irradiated with ultraviolet light 253.7 millimicrons) or sunlight. Marked changes in the absorption spectra after irradiation indicated photodecomposition of the four herbicides was different with the two light sources.

Type
Research Article
Information
Weeds , Volume 12 , Issue 1 , January 1964 , pp. 1 - 4
Copyright
Copyright © 1964 Weed Science Society of America 

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References

Literature Cited

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2. Payne, M. G. and Fults, J. L. 1947. Some effects of ultraviolet light on 2,4-D and related compounds. Science 106:37–39.Google Scholar
3. Weldon, L. W. and Timmons, F. L. 1961. Photochemical degradation of diuron and monuron. Weeds 9:111–116.CrossRefGoogle Scholar