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S-Metolachlor Compared with Metolachlor on Yellow Nutsedge (Cyperus esculentus) and Peanut (Arachis hypogaea)

Published online by Cambridge University Press:  20 January 2017

W. James Grichar ,
Robert G. Lemon ,
Kevin D. Brewer  and
Brad W. Minton
W. James Grichar
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995
Robert G. Lemon
Affiliation:
Texas Agricultural Extension Service, College Station, TX 77843
Kevin D. Brewer
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995
Brad W. Minton
Affiliation:
Novartis Crop Protection, Inc., Cypress, TX 77429
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Abstract

S-metolachlor was compared with metolachlor at four field locations in Texas during the 1996 and 1997 growing seasons in terms of yellow nutsedge control, peanut injury, and peanut yield. S-metolachlor caused peanut injury comparable to metolachlor when either herbicide was applied preplant incorporated or preemergence. Yellow nutsedge control was similar and peanut yields were comparable with the two herbicides. At one location where yellow nutsedge failed to develop, the untreated check produced one of the highest yields.

Keywords

MetolachlorS-metolachloryellow nutsedge, Cyperus esculentus L. #3 CYPESpeanut, Arachis hypogaea L. ‘Florunner’, ‘AT-120’, ‘GK-7’Groundnutherbicide efficacypeanut stuntingPOST, postemergencePPI, preplant incorporatedPRE, preemergence
Type
Research
Information
Weed Technology , Volume 15 , Issue 1 , March 2001 , pp. 107 - 111
Copyright
Copyright © Weed Science Society of America 

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