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Palmer Amaranth (Amaranthus palmeri) Control in a Conservation Tillage System for Cotton (Gossypium hirsutum)

Published online by Cambridge University Press:  12 June 2017

J. Wayne Keeling ,
Kerry T. Siders  and
John R. Abernathy
J. Wayne Keeling
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
Kerry T. Siders
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
John R. Abernathy
Affiliation:
Tex. Agric. Exp. Stn., Lubbock, TX 79401
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Abstract

Weed control is a limiting factor for adoption of conservation tillage systems on the Texas Southern High Plains. A field study was established to evaluate Palmer amaranth control with strip-tillage dinitroaniline herbicide incorporation in wheat residue. Preemergence herbicides were applied alone and in combination with strip-tilled incorporated herbicides. Significant cotton injury or stand reductions were not observed with any treatment. Effective (>80%) early season Palmer amaranth control was achieved with trifluralin or pendimethalin in conjunction with preemergence herbicides. Preemergence herbicides alone did not provide adequate control.

Keywords

Pendimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenaminetrifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenaminecotton, Gossypium hirsutum (L.) ‘Paymaster 145’, Palmer amaranth, Amaranthus palmeri S. Wats. ♯ AMAPADinitroaniline herbicidespersistenceweed controlAMAPA
Type
Research
Information
Weed Technology , Volume 5 , Issue 1 , March 1991 , pp. 137 - 141
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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