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Paraquat Phytotoxicity, Absorption, and Translocation in Peanut and Selected Weeds as Influenced by Chloramben

Published online by Cambridge University Press:  12 June 2017

Glenn Wehtje ,
John W. Wilcut  and
John A. Mcguire
Glenn Wehtje
Affiliation:
Dep. Agron. and Soils, and Alabama Agric. Exp. Stn., Auburn Univ., AL 36849
John W. Wilcut
Affiliation:
Dep. Agron., Box 748, Coastal Plain Exp. Stn., Univ. Georgia, Tifton, GA 31794-0748
John A. Mcguire
Affiliation:
Res. Data Analysis and Alabama Agric. Exp. Stn., Auburn Univ., AL 36849. Alabama Agric. Exp. Stn. J. Ser. No. 3-913136
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Abstract

The interaction of chloramben and paraquat on weed control and crop safety in peanuts was examined in a series of experiments. Greenhouse experiments revealed that chloramben was antagonistic toward paraquat on sicklepod and peanut, which are species tolerant to chloramben and sensitive to paraquat Control of Florida beggarweed, a species sensitive to both herbicides, was generally improved with tank mixtures. Similar results were obtained in field studies. Antagonism obtained with tank-mixing chloramben plus paraquat was also obtained by applying chloramben prior to paraquat Studies with 14C-labeled herbicides on Florida beggarweed revealed that chloramben inhibited foliar penetration of paraquat, but paraquat had no effect on foliar penetration of chloramben.

Keywords

Chloramben, 3-amino-2,5-dichlorobenzoic acidparaquat, 1,1′-dimethyl-4,4′-bipyridinium ionFlorida beggarweed, Desmodium tortuosum (SW.) DC. # DEDTOsicklepod, Cassia obtusifolia L. #Casobpeanut, Arachis hypogaea L.AntagonismsynergismCASOBDEDTO
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 40 , Issue 3 , September 1992 , pp. 471 - 476
Copyright
Copyright © 1992 by the Weed Science Society of America 

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References

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