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MON 13200 Early Preplant Controls Giant Foxtail (Setaria Faberi) Season-Long in No-Till Soybean (Glycine Max)

Published online by Cambridge University Press:  12 June 2017

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

Field studies were conducted in 1991 and 1992 to evaluate the duration of giant foxtail control in no-till soybean with MON 13200 alone and with imazaquin applied up to 2 mo prior to planting. MON 13200 at rates ranging from 224 to 448 g ai/ha applied up to 57 d before planting controlled 97 to 99% of giant foxtail averaged over years. MON 13200 plus imazaquin applied approximately 45 or 30 d before planting controlled 92 to 99% of giant foxtail compared with 53, 64, and 65% and 61, 69, and 78% in plots treated with alachlor, metolachlor, or pendimethalin plus imazaquin, respectively. Differences in control of giant foxtail among the herbicides evaluated were minimal when applied 15 or 0 d before planting. Little or no soybean injury was observed in 1991; up to 30% was observed in 1992 but final soybean height was not affected.

Keywords

Alachlor, 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamideimazaquin, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl-5-oxo-1H-imidazol-2-yl]-3-quinolinecarboxylic acidmetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methyoxy-1-methylethl)acetamideMON 13200, methyl 2-difluoromethyl-4-isobutyl-5-(4,5-dihydro-2-thiazolyl)-6-trifluromethyl-3-pyrindinecarboxylatependimethalin, N-(1-ethylpropyl)-3,4-dimethyl-2,6-dinitrobenzenaminesoybean, Glycine max (L.) Merr. ‘Williams 82’giant foxtail, Setaria faberi Herrm. # SETFAAlachlorimazaquinmetolachlorpendimethalinsoybean injurySETFA
Type
Research
Information
Weed Technology , Volume 7 , Issue 4 , December 1993 , pp. 872 - 878
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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