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Total Postemergence Herbicide Programs in Cotton (Gossypium Hirsutum) with Sethoxydim and DPX-PE350

Published online by Cambridge University Press:  12 June 2017

David L. Jordan ,
Robert E. Frans  and
Marilyn R. McClelland
David L. Jordan
Affiliation:
Dep. Agron., Univ. Ark., Fayetteville, AR 72701
Robert E. Frans
Affiliation:
Dep. Agron., Univ. Ark., Fayetteville, AR 72701
Marilyn R. McClelland
Affiliation:
Dep. Agron., Univ. Ark., Fayetteville, AR 72701
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Abstract

Weed control and cotton yield with a herbicide program of sethoxydim and DPX-PE350 applied postemergence over-the-top was compared with that of a standard herbicide program of trifluralin applied PPI plus fluometuron applied PRE plus methazole and MSMA applied postemergence-directed. Control of pitted and entireleaf morningglory, smooth pigweed, and prickly sida was similar with the postemergence over-the-top program and the standard herbicide program when DPX-PE350 was applied to cotton in the V2 or V4 growth stages. Less weed control and lower yield were observed when DPX-PE350 was applied to V6-stage cotton. Good control of annual grasses was obtained with all herbicide programs.

Keywords

DPX-PE350, 2-chloro-6-(4,5-dimethoxypyrimidin-2-ylthio)benzoatefluometuron, N,N-dimethyl-N′-[3-(trifluoromethyl)phenyl]ureamethazole, 2-(3,4-dichlorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5-dioneMSMA, monosodium salt of methylarsonic acidsethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onetrifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamineentireleaf morningglory, Ipomoea hederacea var. integriuscula Gray # IPOHGpitted morningglory, Ipomoea lacunosa L. # IPOLAprickly sida, Sida spinosa L. # SIDSPsmooth pigweed, Amaranthus hybridus L. # AMACHcotton, Gossypium hirsutum L. ‘Stoneville 825’, ‘Stoneville 453’, ‘Deltapine 50’, and ‘Arkott 518’Application timingfluometuronmethazoleMSMAtrifluralinIpomoea hederacea var. integriuscula GrayIpomoea lacunosa L.Sida spinosa L.Amaranthus hybridus L.IPOHGIPOLAAMACHSIDSP
Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 196 - 201
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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