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Influence of Graminicide Formulation on Compatibility with Other Pesticides

Published online by Cambridge University Press:  20 January 2017

Sarah H. Lancaster ,
David L. Jordan  and
P. Dewayne Johnson
Sarah H. Lancaster
Affiliation:
Department of Crop Science, North Carolina State University, Box 7620, Raleigh, NC 27695-7620
David L. Jordan*
Affiliation:
Department of Crop Science, North Carolina State University, Box 7620, Raleigh, NC 27695-7620
P. Dewayne Johnson
Affiliation:
Department of Crop Science, North Carolina State University, Box 7620, Raleigh, NC 27695-7620
*
Corresponding author's E-mail: david_jordan@ncsu.edu.
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Abstract

Experiments were conducted from 2003 through 2006 to compare annual grass control by graminicides applied alone or with other pesticides and to determine whether graminicide formulation affected annual grass control and interactions with co-applied pesticides. Formulation and rate had no affect on broadleaf signalgrass or large crabgrass control by clethodim. The efficacy of clethodim in tank mixtures with acifluorfen plus bentazon, bentazon, chlorothalonil, imazapic, pyraclostrobin, or tebuconazole were not affected by clethodim formulation. Broadleaf signalgrass and large crabgrass control by clethodim was slightly reduced by acifluorfen plus bentazon, chlorothalonil, imazapic, and pyraclostrobin, but not by tebuconazole. Chlorothalonil and pyraclostrobin reduced broadleaf signalgrass control with quizalofop-P but did not reduce fall panicum control. Azoxystrobin, propiconazole, and tebuconazole did not affect efficacy of quizalofop-P.

Keywords

Acifluorfenazoxystrobin, methyl (E)-[2-[2-6-(2-cyanophenoxy)pyrimidin-4-yloxy]phenyl]-3-methoxyacrylatebentazonchlorothalonil, tetrachloroisophthalonitrileclethodimimazapicpropiconazole, 1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl-methyl]-1H-1,2,4-triazolpyraclostrobin, carbamic acid, [2-[[[1-(4-chlorophenyl)pyrazol-3-yl]oxymethyl]phenyl]methoxy-, methyl esterquizalofop-Psethoxydimtebuconazole, α-[2-(4-chlorophenyl)ethyl]-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanolbroadleaf signalgrass, Urochloa platyphylla (Nash) R.D. Webster UROPPfall panicum, Panicum dichotomiflorum Michx. PANDIlarge crabgrass, Digitaria sanguinalis (L.) Scop. DIGSAAntagonismformulationintegrated pest managementpesticide compatibility
Type
Weed Management—Major Crops
Information
Weed Technology , Volume 22 , Issue 4 , December 2008 , pp. 580 - 583
Copyright
Copyright © Weed Science Society of America 

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