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Herbicide Treatments for Control of Weeds in Dry-Seeded Rice (Oryza sativa)

Published online by Cambridge University Press:  12 June 2017

Roy J. Smith Jr.  and
Khosro Khodayari
Roy J. Smith Jr.
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., Stuttgart, AR 72160
Khosro Khodayari
Affiliation:
Univ. Arkansas, Rice Res. and Ext. Ctr., Stuttgart, AR 72160
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Abstract

Herbicide treatments of tank mixtures or sequential applications were applied at different growth stages and compared with standard treatments for control of barnyardgrass [Echinochloa crus-galli (L.) Beauv. ♯ ECHCM], bearded sprangletop [Leptochloa fascicularis (Lam.) Gray ♯ LEFFA], and aquatic weeds in rice (Oryza sativa L. ‘Starbonnet’). Some herbicides injured rice more than the propanil (3’,4’-dichloropropionanilide) or molinate (S-ethyl hexahydro-1H-azepine-1-carbothioate) standards, but injury for all treatments was inconsequential. Postemergence tank mixture treatments that controlled barnyardgrass (two- to four-leaf stages), bearded sprangletop (two-leaf to tillering stages), and aquatic weeds better than standard treatments were propanil plus butachlor [N-(butoxymethyl)-2-chloro-2’,6,-diethylacetanilide], oxadiazon [2-tert-butyl-4(2,4-dichloro-5-isopropoxyphenyl)-δ2-1,3,4-oxadiazolin-5-one] thiobencarb {S-[(4-chlorophenyl)methyl]diethylcarbamothioate}, or pendimethalin [N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenamine].

Keywords

Echinochloa crus-galliLeptochloa fascicularisCommelina diffusaEclipta prostrataBacopa rotundifoliaECHCGLEFFACOMDIECLALBAORO
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 33 , Issue 5 , September 1985 , pp. 686 - 692
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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