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The Effects of Carbamate Herbicides on Polymer Synthesis

Published online by Cambridge University Press:  12 June 2017

Jay D. Mann ,
Lowell S. Jordan  and
Boysie E. Day
Jay D. Mann
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
Lowell S. Jordan
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
Boysie E. Day
Affiliation:
Department of Horticultural Science, University of California, Riverside, California
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Abstract

Methionine-methyl-C14 administered to seedling tissue produces radioactive polymers consisting primarily of protein. Formation of polymer was inhibited within half an hour in susceptible species by 1, 10, and 50 ppm concentrations of isopropyl N-phenylcarbamate (IPC), isopropyl N-(3-chlorophenyl)carbamate (CIPC), methyl N-(3,4-dichlorophenyl)carbamate (swep), and 4-chloro-2-butynyl N-(3-chlorophenyl)carbamate (barban). Resistance to inhibition varied with plant species, and was in accord with previously observed responses in field work. Inhibition of amino acid utilization may be a fundamental cause of carbamate phytotoxicity. Formation of material tentatively described as lignin is also inhibited.

Type
Research Article
Information
Weeds , Volume 13 , Issue 1 , January 1965 , pp. 63 - 66
Copyright
Copyright © 1965 Weed Science Society of America 

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References

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