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Uptake, Translocation, and Metabolism of Bentazon by Two Pepper Species (Capsicum annuum and Capsicum chinense)

Published online by Cambridge University Press:  12 June 2017

Aurora M. Baltazar  and
Thomas J. Monaco
Aurora M. Baltazar
Affiliation:
Dep. Hortic. Sci., North Carolina State Univ., Raleigh, NC 27650
Thomas J. Monaco
Affiliation:
Dep. Hortic. Sci., North Carolina State Univ., Raleigh, NC 27650
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Abstract

Similar uptake and translocation patterns were observed in sweet pepper (Capsicum annuum L. ‘Keystone Resistant Giant’) and hot pepper (Capsicum chinense L. ‘Bohemian Chili’) following foliar applications of 14C-bentazon [3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide]. In both species, most of the 14C absorbed remained in the treated leaves, with minimal acropetal and basipetal translocation from the application site. A significantly faster rate of herbicide metabolism occurred in hot pepper at 1 and 4 days after application compared to sweet pepper. Two unidentified metabolites of bentazon were isolated from methanol extracts of the two species.

Keywords

Bentazon metabolitestoleranceselectivity
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 32 , Issue 2 , March 1984 , pp. 258 - 263
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

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