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Control of Mannagrass (Glyceria declinata) and Southern Watergrass (Luziola fluitans) in Water-seeded Rice (Oryza sativa)

Published online by Cambridge University Press:  12 June 2017

Michael P. Braverman
Michael P. Braverman*
Affiliation:
Dep. Plant Path; and Crop Physiol., 302 Life Sci. Bldg., Baton Rouge, LA 70803
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Abstract

Preplant control of mannagrass was greater than 90% with clethodim, glyphosate, sethoxydim, and sulfosate. Glyphosate at 0.5 to 1.0 kg ai/ha controlled mannagrass greater than 97%, and was not increased with any adjuvant. Fenoxaprop applied POST controlled mannagrass 97% but injured rice 33%. Except for fenoxaprop-ethyl, all POST treatments increased rice yields at least 1560 kg/ha more than the non-treated check. Southern watergrass was controlled 79 and 89% with 1.0 kg ai/ha glyphosate and 4.5 kg ai/ha sulfosate, respectively, while control was less than 55% with other herbicides.

Keywords

Clethodim, (E,E)-(±)-2-[1-[[(3-chloro-2-propenyl)oxy]imino]propyl]-5-[2-(ethylthio)-propyl]-3-hydroxy-2-cyclohexen-1-onefenoxaprop-ethyl, (±)-ethyl 2-[4-[(6-chloro-2-benzoxazolyl)-oxy]phenoxy]propanoateglyphosate, N-(phosphonomethyl)glycinesethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onesulfosate, (N-phosphonomethyl)glycine trimethyl sulfonium saltmannagrass, Glyceria declinata BrebissSouthern watergrass, Luziola fluitans (Michx.) Terrell & H. Robinsonrice, Oryza sativa L.Aquaticclethodimethofumesatefenoxapropfluazifopglufosinateglyphosatemolinateparaquatpropanilsethoxydimsulfosatequincloracquizalifop
Type
Research
Information
Weed Technology , Volume 10 , Issue 1 , March 1996 , pp. 68 - 71
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

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