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SAN 582 Efficacy and Tolerance in Potato (Solanum tuberosum)

Published online by Cambridge University Press:  12 June 2017

Dennis J. Tonks ,
Charlotte V. Eberlein ,
Mary J. Guttieri  and
Bart A. Brinkman
Dennis J. Tonks
Affiliation:
Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen, ID 83210
Charlotte V. Eberlein*
Affiliation:
Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen, ID 83210
Mary J. Guttieri
Affiliation:
Department of Plant, Soil, and Entomological Sciences, University of Idaho, Aberdeen, ID 83210
Bart A. Brinkman
Affiliation:
BASF Corp., Salem, OR 97306
*
Corresponding author's E-mail: ceberl@uidaho.edu.
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Abstract

Field studies were conducted to examine weed control efficacy and crop injury with SAN 582 (proposed name, dimethenamid) in irrigated ‘Russet Burbank’ potato. SAN 582 applied preemergence (PRE) at 1.1 to 1.7 kg ai/ha controlled light to moderate infestations of redroot pigweed, common lambsquarters, and hairy nightshade > 90%. Season-long control of these species with mixtures of SAN 582 plus metribuzin or rimsulfuron was > 98% and was similar to or better than registered mixtures. Green foxtail control with SAN 582 alone ranged from 83 to 100%, depending on rate and year. SAN 582 mixtures with metribuzin or rimsulfuron usually controlled green foxtail > 90%. In weed-free plots, SAN 582 was applied alone PRE or early postemergence (EPOST) at rates up to 3.4 kg/ha. SAN 582 applied EPOST usually caused 10 to 30% more potato injury than when applied PRE, but U.S. No. 1 yield was not reduced by SAN 582 applied either PRE or EPOST. SAN 582 shows good potential for PRE use in irrigated potato.

Keywords

Metribuzin, 4-amino-6-(1,1–dimethylethyl)-3-(methylthio)-1,2,4-trazin-5(4H)-onerimsulfuron, N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(ethylsulfonyl)-2-pyridinesulfonamideSAN 582, 2-chloro-N-[(1-methyl-2-methoxy)ethyl]-N-(2,4-dimethyl-thien-3-yl)-acetamidecommon lambsquarters, Chenopodium album L. # CHEALgreen foxtail, Setaria viridis L. Beauv. # SETVIhairy nightshade, Solanum sarrachoides Sendter # SOLSAredroot pigweed, Amaranthus retroflexus L. # AMAREpotato, Solanum tuberosum L. ‘Russet Burbank’ # SOLTUHerbicide toleranceweed controlEPTCmetolachlorpendimethalinAMARECHEALSETVISOLSASOLTRSOLTUPNW, Pacific NorthwestPRE, preemergenceEPOST, early postemergenceWAT, weeks after treatmentGR50, herbicide concentration required to reduce shoot dry weight by 50%
Type
Research
Information
Weed Technology , Volume 13 , Issue 1 , March 1999 , pp. 71 - 76
Copyright
Copyright © 1999 by the Weed Science Society of America 

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Footnotes

1

University of Idaho Agricultural Experiment Station paper 98707.

References

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