Hostname: page-component-586b7cd67f-t7fkt Total loading time: 0 Render date: 2024-11-22T22:19:31.829Z Has data issue: false hasContentIssue false
  • English
  • Français

Transformation and Persistence of Chlorsulfuron in Prairie Field Soils

Published online by Cambridge University Press:  12 June 2017

Allan E. Smith  and
Andrew I. Hsiao
Allan E. Smith
Affiliation:
Agric. Canada, Res. Stn., Box 440, Regina, SK, Canada S4P 3A2
Andrew I. Hsiao
Affiliation:
Agric. Canada, Res. Stn., Box 440, Regina, SK, Canada S4P 3A2
Get access Rights & Permissions [Opens in a new window]

Abstract

After 45 weeks, between 5 and 8% of the applied radioactivity from 14C-chlorsulfuron {2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino] carbonyl] benzenesulfonamide} applied to small sandy loam plots was recovered as chlorsulfuron and about 15% as 2-chlorobenzenesulfonamide. After 95 weeks, 2% of the original radioactivity remained as chlorsulfuron and 20% as the sulfonamide. The persistence of formulated chlorsulfuron was investigated using small field plots at two locations for three successive years. Between 3 and 16% of the herbicide applied during May was detected in the top 10-cm soil layers the following May using a corn-root (Zea mays L.) bioassay procedure.

Keywords

Degradationmetabolismresidues
Type
Soil, Air, and Water
Information
Weed Science , Volume 33 , Issue 4 , July 1985 , pp. 555 - 557
Copyright
Copyright © 1985 by the Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

1. Palm, H. L., Riggleman, J. D., and Allison, D. A. 1980. Worldwide review of the new cereal herbicide–DPX 4189. Proc. Br. Crop Prot. Conf. Weeds 1:1–6.Google Scholar
2. Walker, A. and Brown, P. A. 1983. Measurement and prediction of chlorsulfuron persistence in soil. Bull. Environ. Contam. & Toxicol. 30:365–372.CrossRefGoogle ScholarPubMed
3. Hsiao, A. I. and Smith, A. E. 1983. A root bioassay procedure for the determination of chlorsulfuron, diclofop acid and sethoxydim residues in soil. Weed Res. 23:231–236.CrossRefGoogle Scholar
4. Smith, A. E. and Muir, D.C.G. 1984. Determination of extractable and nonextractable radioactivity from small field plots 45 and 95 weeks after treatment with [14C] dicamba, (2,4-dichloro [14C] phenoxy)acetic acid, [14C] triallate, and [14C] trifluralin. J. Agric. Food Chem. 32:588–593.CrossRefGoogle Scholar
5. Smith, A. E. 1979. Transformation of [14C] diclofop-methyl in small field plots. J. Agric. Food Chem. 27:1145–1148.CrossRefGoogle Scholar
6. Smith, A. E. 1978. Comparison of solvent systems for extracting herbicide residues from weathered field soils. Pestic. Sci. 9:7–11.CrossRefGoogle Scholar
7. Smith, A. E. 1981. Comparison of solvent systems for the extraction of atrazine, benzoylprop, flamprop, and trifluralin from weathered field soils. J. Agric. Food Chem. 29:111–115.CrossRefGoogle Scholar
8. Smith, A. E. and Milward, L. J. 1983. Comparison of solvent systems for the extraction of diclofop acid, picloram, simazine, and triallate from weathered field soils. J. Agric. Food Chem. 31:633–637.CrossRefGoogle Scholar