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Herbicides for Nimblewill in Kentucky Bluegrass Pasture

Published online by Cambridge University Press:  12 June 2017

T. W. Waldrep  and
J. F. Freeman
T. W. Waldrep
Affiliation:
Department of Agronomy, University of Kentucky, Lexington, Kentucky
J. F. Freeman
Affiliation:
Department of Agronomy, University of Kentucky, Lexington, Kentucky
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Abstract

Dimethylarsenic acid (cacodylic acid), 2-methoxy-3,6-dichlorobenzoic acid (dicamba), 2,6-dinitro-N,N-di-n-propyl-alpha-alpha-alpha-trifluoro-p-toluidine (trifluralin), and O-(2-4-dichlorophenyl) O-methyl isopropyl-phosphoramidothioate (DMPA) were tested to determine if they could selectively control nimblewill (Muhlenbergia schreberi J. F. Gmel.) in Kentucky bluegrass (Poa pratensis L.) pasture. DMPA reduced the nimblewill population 95% during the initial year of treament, while other herbicides gave only 61 to 72% reduction. No effect on nimblewill was evident the second year after application. None of the herbicides caused severe or permanent injury to the bluegrass.

Type
Research Article
Information
Weeds , Volume 12 , Issue 4 , October 1964 , pp. 317 - 318
Copyright
Copyright © 1964 Weed Science Society of America 

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References

Literature Cited

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