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Enzymatic Hydrolysis of Herbicides in Plants

Published online by Cambridge University Press:  12 June 2017

R. E. Hoagland  and
G. Graf
R. E. Hoagland
Affiliation:
Dep. of Biochem., N. Dak. State Univ., Fargo, North Dakota 58102
G. Graf
Affiliation:
Dep. of Biochem., N. Dak. State Univ., Fargo, North Dakota 58102
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Abstract

Nineteen different genera of weeds encompassing twelve plant families were surveyed for hydrolytic enzymes which were able to metabolize the amide bonds in several groups of herbicides. Propanil (3′,4′-dichloropropionanilide), 1,1-dimethyl-3-phenylurea (fenuron), and isopropyl carbanilate (propham) were employed as enzyme substrates, representing the amide, urea, and carbamate classes. Propanil was hydrolyzed at widely diverse rates by approximately 70% of the plants tested. Only one plant showed a hydrolysis of propham and fenuron. The study demonstrates a widespread distribution of hydrolytic enzymes capable of degrading the herbicide, propanil. An apparent lack of hydrolytic enzymes able to metabolize propham and fenuron was also noted.

Type
Research Article
Information
Weed Science , Volume 20 , Issue 4 , July 1972 , pp. 303 - 305
Copyright
Copyright © Weed Science Society of America 

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References

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