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Interactions Between Primisulfuron and Selected Soil-Applied Insecticides in Corn (Zea mays)

Published online by Cambridge University Press:  12 June 2017

Darrin L. Biediger ,
Paul A. Baumann ,
Dave N. Weaver ,
James M. Chandler  and
Morris G. Merkle
Darrin L. Biediger
Affiliation:
Texas Agric. Ext. Serv., College Station, Texas A&M Univ. College Station, TX. 77843-2474
Paul A. Baumann
Affiliation:
Texas Tech Univ., Lubbock, Assoc. Dep. Head, Texas A&M Univ. College Station, TX. 77843-2474
Dave N. Weaver
Affiliation:
Texas Tech Univ., Lubbock, Assoc. Dep. Head, Texas A&M Univ. College Station, TX. 77843-2474
James M. Chandler
Affiliation:
Soil and Crop Sci. Dep., Texas A&M Univ. College Station, TX. 77843-2474
Morris G. Merkle
Affiliation:
Soil and Crop Sci. Dep., Texas A&M Univ. College Station, TX. 77843-2474
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Abstract

Field experiments were conducted at two locations in 1989 and 1990 to investigate possible interactions between POST applications of primisulfuron and selected soil-applied carbamate and organophosphate corn insecticides. Insecticides were applied in-furrow at planting, at recommended use rates. Primisulfuron was applied POST to corn in the three- or five-leaf stage at 0, 20, 40, or 80 g ai ha-1. Combinations of primisulfuron with disulfoton, fonofos, isozophos, or terbufos resulted in foliar and root injury, plant height reductions, and yield losses. No foliar or root injury, plant height reductions, or yield losses were observed from combinations of primisulfuron and carbaryl, carbofuran, chlorpyrifos, or diazinon. Differences among and within the experiments are attributed to edaphic and environmental conditions at the time of primisulfuron application.

Keywords

Primisulfuron, 2-[[[[[4,6-bis(difluoromethoxy)-2-pyrimidinyl] amino]carbonyl]amino]sulfonyl]benzoic acid methyl estercarbaryl, 1-naphthyl methylcarbamatecarbofuran, 2,3-dihydro-2,2-dimethyl-benzofuran-7-yl-methylcarbamatechlorpyrifos, O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioatediazinon, O,O-diethyl O-(2-isopropyl-6-methyl-4-pyrimidinyl)phosphorothioatedisulfoton, O,O-diethyl S-(2-(ethylthio)-ethyl)phosphorodithioatefonofos, O-ethyl S-phenyl ethylphosphonodithioateisozophos, O-(5-chloro-1-[1-methyl ethyl]-1H-1,2,4-triazol-3-yl) O,O-diethyl phosphorothioateterbufos, S-[(tert-butylthio)methyl]-O,O-diethyl phosphorodithioatecorn Zea mays L. ‘D & PL G4673A’Synergismcarbarylcarbofuranchlorpyrifosdiazinondisulfotonfonofosisozophosterbufos
Type
Research
Information
Weed Technology , Volume 6 , Issue 4 , December 1992 , pp. 807 - 812
Copyright
Copyright © 1990 by the Weed Science Society of America 

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