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Fenoxaprop for Grass Control in Dry Seeded Rice (Oryza sativa)

Published online by Cambridge University Press:  12 June 2017

Khosro Khodayari ,
Paolo Nastasi  and
Roy J. Smith Jr.
Khosro Khodayari
Affiliation:
ICI Americas Inc., West. Res. Stn. Visalia, CA 93277
Paolo Nastasi
Affiliation:
Univ. Arkansas, Rice Res. Ext. Cent.
Roy J. Smith Jr.
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., Stuttgart, AR 72160
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Abstract

Barnyardgrass and bearded sprangletop are severe weed pests in rice in the southern United States. These weeds are controlled with standard herbicide programs of propanil alone or propanil combined with pendimethalin or thiobencarb. However, new herbicides, such as fenoxaprop, may be effective alternatives for grass weed control in rice. Fenoxaprop at 0.17 kg ai/ha applied postemergence in programs with propanil, thiobencarb, or pendimethalin controlled barnyardgrass and bearded sprangletop in rice and performed as well as or better than standard treatments of propanil with thiobencarb or pendimethalin. Rice yielded well, and grain was of high quality.

Keywords

Fenoxaprop, (±)-2-[4-[(6-chloro-2-benzoxazolyl)oxy] phenoxy] propanoic acidpendimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenaminepropanil, N-(3,4-dichlorophenyl)propanamidethiobencarb, S-[(4-chlorophenyl)methyl] diethylcarbamothioatebarnyardgrass, Echinochloa crus-galli (L.)Beauv. #3 ECHCGbearded sprangletop, Leptochloa fascicularis (Lam.)Gray # LEFFArice, Oryza sativa L.Echnochloa crus-galliLeptochloa fascicularisrice injuryweed controlECHCGLEFFA
Type
Research
Information
Weed Technology , Volume 3 , Issue 1 , March 1989 , pp. 131 - 135
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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