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Effect of MON-12037 on Purple (Cyperus rotundus) and Yellow (Cyperus esculentus) Nutsedge

Published online by Cambridge University Press:  12 June 2017

William K. Vencill ,
John S. Richburg III ,
John W. Wilcut  and
Larry R. Hawf
William K. Vencill
Affiliation:
Crop and Soil Sci. Dep., Univ. Georgia, Athens, GA 30602-7272
John S. Richburg III
Affiliation:
Crop Sci. Dep., N.C. State Univ., Raleigh, NC 27695-7609
John W. Wilcut
Affiliation:
Crop Sci. Dep., N.C. State Univ., Raleigh, NC 27695-7609
Larry R. Hawf
Affiliation:
Monsanto Agric. Co., Sasser, GA 31785
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Abstract

Greenhouse studies were conducted to determine the response of purple and yellow nutsedge to selective soil placement of 5 cm of soil treated with MON-12037 above and/or below the nutsedge tubers. MON-12037 at 53 g/ai ha applied as a foliar, soil, or foliar + soil application also were evaluated. MON-12037 placement above, below, or above + below the nutsedge tuber decreased shoot number, shoot dry weight, shoot regrowth dry weight, and root-tuber dry weight production in both species, 30 and 60 d after treatment. MON-12037 applied as a foliar, soil, and foliar + soil treatment was effective in reducing purple nutsedge shoot regrowth dry weight to less than 5% of the non-treated control. Yellow nutsedge shoot regrowth dry weight from the foliar + soil and soil-only applications was less than 1% of the non-treated control.

Keywords

MON-12037, methyl 5-{[(4,6-dimethoxy-2-pyrimidinyl)-amino]carbonylaminosulfonyl}-3-chloro-1-methyl-1-H-pyrazole-4-carboxylatepurple nutsedge, Cyperus rotundus L. # CYPROyellow nutsedge, Cyperus esculentus L. # CYPESApplication methodapplication timingselective placementCYPESCYPRO
Type
Research
Information
Weed Technology , Volume 9 , Issue 1 , March 1995 , pp. 148 - 152
Copyright
Copyright © 1995 by the Weed Science Society of America 

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