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Control of Cogongrass by Herbicides

Published online by Cambridge University Press:  12 June 2017

Ray Dickens  and
G. A. Buchanan
Ray Dickens
Affiliation:
Dep. of Agron. & Soils, Auburn Univ. Agr. Exp. Sta., Auburn, AL 36830
G. A. Buchanan
Affiliation:
Dep. of Agron. & Soils, Auburn Univ. Agr. Exp. Sta., Auburn, AL 36830
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Abstract

Experiments were conducted to develop controls for cogongrass [Imperata cylindrica (L.) Beauv.] on noncrop areas. Single and multiple applications of herbicides were evaluated in field tests. All soil sterilants evaluated provided acceptable control. Single applications of TCA (trichloroacetic acid) at 56 kg/ha and dalapon (2,2-dichloro propionic acid) at 8.3 kg/ha controlled cogongrass without prolonged soil sterility. Multiple applications of amitrole (3-amino-s-triazole), paraquat (1,1′-dimethyl-4,4′-bipyridinium ion), glyphosate [N-(phosphonomethyl)glycine] and dalapon markedly reduced cogongrass stands 1 year after application.

Type
Research Article
Information
Weed Science , Volume 23 , Issue 3 , May 1975 , pp. 194 - 197
Copyright
Copyright © 1975 by the Weed Science Society of America 

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References

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