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Absorption, Translocation, and Metabolism of Foliage-Applied Chloramben in Velvetleaf (Abutilon theophrasti) and Soybean (Glycine max)

Published online by Cambridge University Press:  12 June 2017

Chaudhry A. Ozair ,
Loren J. Moshier  and
Georgina M. Werner
Chaudhry A. Ozair
Affiliation:
Dep. Agron., Kansas State Univ., Manhattan, KS 66506
Loren J. Moshier
Affiliation:
Dep. Agron., Kansas State Univ., Manhattan, KS 66506
Georgina M. Werner
Affiliation:
Union Carbide Agric. Products Co., Inc., P.O. Box 12014, Research Triangle Park, NC 27709
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Abstract

A quantitative assay using 14C-chloramben (3-amino-2,5-dichlorobenzoic acid) revealed that velvetleaf (Abutilon theophrasti Medic. # ABUTH) leaves absorbed a greater amount of chloramben formulated as an acid than as a sodium salt. A surfactant increased 14C-chloramben absorption 5 days, but not 1 day, after application. Translocation of 14C-label out of treated leaves was greater in velvetleaf than in soybean [Glycine max (L.) Merr.]. Differences in the amount of 14C-label as unmetabolized chloramben in ethyl acetate extracts of treated leaves were not detected between velvetleaf and soybean. The amount of unmetabolized chloramben was greater in the shoot above the treated leaf in velvetleaf (58% of total label recovered) than in soybean (35% of recovered label). The amount of recovered 14C-label in unextractable form was greater in treated leaves of soybean compared to velvetleaf.

Keywords

HerbicideabsorptiontranslocationmetabolismsurfactantselectivityABUTH
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 35 , Issue 6 , November 1987 , pp. 757 - 762
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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