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The Effect of Giant Foxtail (Setaria faberi) Plant Height on Control with Six Postemergence Herbicides

Published online by Cambridge University Press:  12 June 2017

Ronald F. Krausz ,
George Kapusta  and
Joseph L. Matthews
Ronald F. Krausz
Affiliation:
Dep. Plant Soil Sci., So. Ill. Univ., Carbondale, IL 62901
George Kapusta
Affiliation:
Dep. Plant Soil Sci., So. Ill. Univ., Carbondale, IL 62901
Joseph L. Matthews
Affiliation:
Dep. Plant Soil Sci., So. Ill. Univ., Carbondale, IL 62901
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Abstract

Field experiments were conducted from 1986 to 1988 to evaluate giant foxtail control at four plant heights by six POST grass herbicides. Clethodim, fenoxaprop, fluazifop-P, haloxyfop, quizalofop, and sethoxydim controlled 95% or more of 60-cm giant foxtail all three years at the labeled herbicide application rates. Control of 7-, 15-, and 30-cm giant foxtail with fenoxaprop, fluazifop-P, quizalofop, and sethoxydim was dependent upon soil moisture conditions at application. Clethodim and haloxyfop provided the greatest control (89 to 99%) regardless of plant height or soil moisture conditions. No herbicide injured soybean. Soybean seed yield with POST grass herbicides was equal to or greater than yield in the hand-weeded plots.

Keywords

Clethodim, (E,E)-(±)-2-[1-[[(3-chloro-2-propenyl)oxy]imino]propyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onefenoxaprop, (±)-2-[4-[(6-chloro-2-benzoxazolyl)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 acidquizalofop, (±)-2-[4[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propanoic acidsethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onesoybean Glycine max (L.) Merr.giant foxtail, Setaria faberi Herrm. # SETFAClethodimfenoxapropfluazifop-PhaloxyfopquizalofopsethoxydimSETFA
Type
Research
Information
Weed Technology , Volume 7 , Issue 2 , June 1993 , pp. 491 - 494
Copyright
Copyright © 1993 Weed Science Society of America 

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References

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