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Red Rice (Oryza sativa) Control Options in Soybeans (Glycine max)

Published online by Cambridge University Press:  12 June 2017

James L. Griffin  and
Thomas J. Harger
James L. Griffin
Affiliation:
Dep. Plant Pathol. and Crop Physiol., La. State Univ., 302 Life Sci. Bldg., Baton Rouge, LA 70803
Thomas J. Harger
Affiliation:
Dep. Plant Pathol. and Crop Physiol., La. State Univ., 302 Life Sci. Bldg., Baton Rouge, LA 70803
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Abstract

Both alachlor at 3.6 kg ai/ha and metolachlor at 2.8 kg ai/ha applied preplant incorporated consistently controlled red rice 82% and 90%, respectively, over a 3-yr period. Averaged across years, only mefluidide at 0.14 kg ai/ha plus bentazon at 0.84 kg ai/ha, haloxyfop at 0.28 kg ai/ha, and quizalofop at 0.14 kg ai/ha applied postemergence controlled red rice comparable to the preplant herbicide treatments. High rates of sethoxydim and fluazifop (0.56 kg ai/ha), haloxyfop (0.28 kg ai/ha), and quizalofop (0.14 kg ai/ha) were needed to obtain soybean yields equivalent to alachlor and metolachlor.

Keywords

Alachlor, 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamidebentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxidefluazifop, (±)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acidfluazifop-P, (R)-2-[4-[[5-trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acidhaloxyfop, 2-[4-[[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acidmefluidide, N-[2,4-dimethyl-5-[[(trifluoromethyl)sulfonyl]amino]phenyl] acetamidemetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamidequizalofop, (±)-2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propanoic acidsethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onered rice, Oryza sativa L. ♯3 ORYSAsoybeans, Glycine max (L.)Merr.Alachlorbentazonfluazifopfluazifop-PhaloxyfopmefluididemetolachlorquizalofopsethoxydimORYSA
Type
Research
Information
Weed Technology , Volume 4 , Issue 1 , March 1990 , pp. 35 - 38
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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