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Utility of Clomazone for Annual Grass and Broadleaf Weed Control in Peanut (Arachis hypogaea)

Published online by Cambridge University Press:  12 June 2017

David L. Jordan ,
John W. Wilcut  and
Leslie D. Fortner
David L. Jordan
Affiliation:
Dep. Crop and Soil Sci., Univ. Georgia, Coastal Plain Exp. Stn., P.O. Box 748, Tifton, GA 31793
John W. Wilcut
Affiliation:
Tidewater Agric. Exp. Stn., Virginia Polytech. Inst. State Univ., Suffolk, VA 23437
Leslie D. Fortner
Affiliation:
Tidewater Agric. Exp. Stn., Virginia Polytech. Inst. State Univ., Suffolk, VA 23437
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Abstract

Field experiments conducted in 1988 and 1989 evaluated clomazone alone and in a systems approach for weed control in peanut. Clomazone PPI at 0.8 kg ai/ha controlled common ragweed, prickly sida, spurred anoda, and tropic croton better than ethalfluralin and/or metolachlor applied PPI. POST application of acifluorfen plus bentazon was not needed to control these weeds when clomazone was used. Acifluorfen plus bentazon improved control of these weeds when clomazone was not used and generally were necessary to obtain peanut yields regardless of the soil-applied herbicides. Alachlor PRE did not improve clomazone control of any weed species evaluated. Fall panicum and large crabgrass control was similar with clomazone or clomazone plus ethalfluralin.

Keywords

Acifluorfen, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acidbentazonclomazone, 2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidonecommon ragweed, Ambrosia artemisiifolia, L. # AMBELfall panicum, Panicum dichotomiflorum Michx. # PANDIlarge crabgrass, Digitaria sanquinalis (L.) Scop. # DIGSAprickly sida, Sida spinosa L. # SIDSPspurred anodaAnoda cristata (L.) Schlecht. # ANVCRpeanut, Arachis hypogaea L.Ambrosia artemisiifoliaAnoda cristataCroton glandulosus var. septentrionalisCroton glandulosus var. septentrionalisDigitaria sanguinalisPanicum dichotomiflorumSida spinosaacifluorfenalachlorbentazonethalfluralinmetolachlorAMBELANVCRCVNGSDIGSAPANDISIDSP
Type
Research
Information
Weed Technology , Volume 8 , Issue 1 , March 1994 , pp. 23 - 27
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

Literature Cited

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