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Adsorption, Bioactivity, and Evaluation of Soil Tests for Alachlor, Acetochlor, and Metolachlor

Published online by Cambridge University Press:  12 June 2017

Jerome B. Weber  and
C. John Peter
Jerome B. Weber
Affiliation:
Weed Sci., North Carolina State Univ., Raleigh, NC 27650
C. John Peter
Affiliation:
E. I. DuPont de Nemours & Co., Inc. Wilmington, DE 19898
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Abstract

Alachlor [2-chloro-2′,6′-diethyl-N-(methoxymethyl) acetanilide], acetochlor [2-chloro-N-(ethoxymethyl)-6′-ethyl-o-acetotoluidide] and metolachlor [2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide] were adsorbed in similar amounts, approximately one-third that of the reference compound prometryn [2,4-bis(isopropylamino)-6-(methylthio)-s-triazine] by Ca-organic matter and seven soils. Adsorption isotherms for the four herbicides by Ca-montmorillonite were of the same shape, but different bonding mechanisms were involved. Adsorption and bioactivity of the acetanilide herbicides were correlated with organic matter, clay content, and other soil parameters as determined by two different soil- testing laboratories.

Keywords

Herbicide inactivationadsorption mechanismssoil testingorganic-matter analysisprometryn adsorption
Type
Research Article
Information
Weed Science , Volume 30 , Issue 1 , January 1982 , pp. 14 - 20
Copyright
Copyright © 1982 by the Weed Science Society of America 

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References

Literature Cited

1. Ballard, J. L. and Santelmann, P. W. 1973. Influence of selected soil properties on alachlor activity. Proc. South. Weed Sci. Soc. 26:385–388.Google Scholar
2. Brunauer, S., Emmett, P. H., and Teller, E. 1938. Adsorption of gases in multimolecular layers. J. Am. Chem. Soc. 60:309–316.Google Scholar
3. Carter, D. L., Heilman, M. D., and Gonzales, C. L. 1965. Ethylene glycol monoethyl ether for determining surface area of silicate minerals. Soil Sci. 100:356–360.CrossRefGoogle Scholar
4. Eastin, E. F. and Basler, E. 1977. Absorption, translocation, and degradation of herbicides in plants. Pages 89–96 in Bryan Truelove, ed. Research Methods in Weed Science (2nd Ed.), South. Weed Sci. Soc, Auburn Printing Co., Auburn, AL.Google Scholar
5. Giles, C. H., MacEwan, T. H., Nakhwa, S. N., and Smith, D. 1960. Studies in adsorption: Part XI. A system of classification of solution adsorption isotherms, and its use in diagnosis of adsorption mechanisms and in measurement of specific surface area of solids. J. Chem. Soc. pp 3973–3993.Google Scholar
6. Green, R. E. 1974. Pesticide-clay interactions. Pages 3–37 in Guenzi, W. D., ed. Pesticides in Soil and Water, Soil Sci. of Am. Inc., Madison, WI.Google Scholar
7. Harrison, G. W., Weber, J. B., and Baird, J. V. 1976. Herbicide phytotoxicity as affected by selected properties of North Carolina soils. Weed Sci. 24:120–126.Google Scholar
8. Helling, C. S. 1971. Pesticide mobility in soils. II. Applications of soil thin-layer chromatography. Soil Sci. Soc. Am. Proc. 35:737–743.Google Scholar
9. Jaworski, E. G. 1975. Chloroacetamides. Pages 349–376 in Kearney, P. C. and Kaufman, D. D., eds. Herbicides: Chemistry, Degradation, and Mode of Action, Marcel Dekker, Inc., New York.Google Scholar
10. Parochetti, J. V. 1973. Soil organic matter effect on activity of acetamides, CDAA, and atrazine. Weed Sci. 21:157–160.Google Scholar
11. Rahman, A. 1976. Effect of soil organic matter on the phytotoxicity of soil-applied herbicides-glasshouse studies. N.Z. J. Exp. Agric. 4:85–88.Google Scholar
12. Ward, T. M. and Upchurch, R. P. 1964. Role of the amido group in adsorption mechanisms. J. Agric. Food Chem. 13:334–340.Google Scholar
13. Weber, J. B. 1970. Mechanisms of adsorption of s-triazines by clay colloids and factors affecting plant availability. Pages 93–130 in Gunther, F. A., ed. The Triazine Herbicides. Residue Rev. Vol. 32. Springer-Verlag, New York.Google Scholar
14. Weber, J. B. 1972. Interaction of organic pesticides with particulate matter in aquatic and soil systems. Pages 55–120 in Gould, R. F., ed. Fate of Organic Pesticides in the Aquatic Environment. Am. Chem. Soc., Washington, DC.Google Scholar
15. Weber, J. B. 1977. Soil properties, herbicide sorption, and model soil systems. Pages 59–72 in Truelove, Bryan, ed. Research Methods in Weed Science (2nd Ed.), Southern Weed Sci. Soc, Auburn Printing Co., Auburn, Al.Google Scholar
16. Weber, J. B. and Best, J. A. 1972. Activity and movement of 13 soil-applied herbicides as influenced by soil reaction. Proc. South Weed Sci. Soc. 25:403–413.Google Scholar
17. Weber, J. B., Coble, H. D., Monaco, T. J., Worsham, A. D., Mehlich, A., Hatfield, A., Eaddy, D. W., and Peter, C. J. 1981. Soil tests and herbicide recommendations for metolachlor and alachlor in agronomic and horticultural crops. Proc. South. Weed Sci. Soc. 34:265–273.Google Scholar
18. Weber, J. B. and Weed, S. B. 1974. Effects of soil on the biological activity of pesticides. Pages 223–255 in Guenzi, W. D., ed. Pesticides in Soil and Water. Soil Sci. Soc. Am., Madison, WI.Google Scholar
19. Weber, J.B., Weed, S. B., and Ward, T. M. 1969. Adsorption of s-triazines by soil organic matter. Weed Sci. 17:417–421.Google Scholar
20. Weed, S. B. and Weber, J. B. 1974. Pesticide-organic matter interactions. Pages 39–66 in Guenzi, W. D., ed. Pesticides in Soil and Water. Soil Sci. Soc. Am., Madison, WI.Google Scholar