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Interactions of DPX-PE350 with Fluazifop-P, Sethoxydim, Clethodim, and Quizalofop-P

Published online by Cambridge University Press:  12 June 2017

David L. Jordan ,
Robert E. Frans  and
Marilyn R. McClelland
David L. Jordan
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72703
Robert E. Frans
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72703
Marilyn R. McClelland
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72703
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Abstract

Interactions of fluazifop-P, sethoxydim, clethodim, and quizalofop-P with DPX-PE350 were evaluated. DPX-PE350 at 110 g ae ha−1 reduced control of large crabgrass when mixed with all graminicides and control of broadleaf signalgrass when mixed with fluazifop-P or quizalofop-P. Increasing the rate of graminicide reduced or eliminated antagonism. Applying sethoxydim and DPX-PE350 sequentially eliminated antagonism on large crabgrass. Control of seedling johnsongrass by the graminicides was not reduced by DPX-PE350. DPX-PE350 reduced control of rhizomatous johnsongrass by sethoxydim. Graminicides had no effect on entireleaf morningglory control with DPX-PE350.

Keywords

Clethodim, (E,E)-(+)-2-[1-[[(3-chloro-2-propenyl)oxy]-imino]propyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-oneDPX-PE350, sodium 2-chloro-6-(4,5-dimethoxypyrimidin-2-ylthio)benzoatefluazifop-P, (R)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acidquizalofop-P, (R)-2-[4[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propanoic acidsethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-onebroadleaf signalgrass, Brachiaria platyphylla (Griseb.) Nash # BRAPPentireleaf morningglory Ipomoea hederacea var. integriuscula Gray # IPOHGjohnsongrass, Sorghum halepense (L.) Pers. # SORHAlarge crabgrass, Digitaria sanguinalis (L.) Scop. # DIGSAAntagonismgraminicidesherbicide interactionBrachiaria platyphyllaDigitaria sanguinalisIpomoea hederaceavar. integriusculaSorghum halepenseBRAPPDIGSAIPOHGSORHA
Type
Research
Information
Weed Technology , Volume 7 , Issue 3 , September 1993 , pp. 605 - 610
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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