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Action of Polysulfide Ion on Simazine in Soil

Published online by Cambridge University Press:  12 June 2017

Paul Castelfranco  and
Deborah B. Deutsch
Paul Castelfranco
Affiliation:
Department of Botany, University of California, Davis
Deborah B. Deutsch
Affiliation:
Department of Botany, University of California, Davis
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Abstract and summary

Aqueous solutions of sodium and calcium polysulfides convert labeled simazine, 2-chloro-4,6-bis(ethylamino)-s-triazine-2,4,6-C14, to a chloroform insoluble, charcoal adsorbable derivative which is thought to be hydroxysimazine, 2-hydroxy-4,6-bis(ethylamino)-s-triazine-2,4,6-C14. In soil, calcium polysulfide accelerates the breakdown of simazine as shown by oat bioassay. These results suggest the possibility of using polysulfides to remove unwanted residues of chlorotriazine herbicides from crop lands.

Type
Research Article
Information
Weeds , Volume 10 , Issue 3 , July 1962 , pp. 244 - 245
Copyright
Copyright © 1962 Weed Science Society of America 

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References

Literature Cited

1. Castelfranco, P., and Brown, M. S. 1962. Purification and properties of the simazine-resistance factor of Zea mays . Weeds 10:131–136.Google Scholar
2. Castelfranco, P., Foy, C. L., and Deutsch, Deborah B. 1961. Nonenzymatic detoxification of 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine) by extracts of Zea mays . Weeds 9:580–591.Google Scholar