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Weed Control with CGA-152005 and Peanut (Arachis hypogaea) Response

Published online by Cambridge University Press:  20 January 2017

W. James Grichar ,
David C. Sestak ,
Kevin Brewer  and
Brad Minton
W. James Grichar*
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995; Research Scientist II, Novartis Crop Protection, Cypress, TX 77429
David C. Sestak
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995; Research Scientist II, Novartis Crop Protection, Cypress, TX 77429
Kevin Brewer
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995; Research Scientist II, Novartis Crop Protection, Cypress, TX 77429
Brad Minton
Affiliation:
Texas Agricultural Experiment Station, Yoakum, TX 77995; Research Scientist II, Novartis Crop Protection, Cypress, TX 77429
*
Corresponding author's E-mail: [email protected].
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Abstract

Field studies were conducted in 1994 and 1995 to evaluate CGA-152005 for weed control and effect on peanut (Arachis hypogaea) yield in Texas peanut production areas. CGA-152005 at 10 to 20 g/ha controlled eclipta (Eclipta prostrata), golden crownbeard (Verbesina enceliodes), and Palmer amaranth (Amaranthus palmeri) > 90% when applied preemergence (PRE) or soon after peanut emergence (EPOST). CGA-152005 postemergence (POST) controlled eclipta > 95%; sandhills amaranth (Amaranthus arenicola) 99%; golden crownbeard, pitted morningglory (Ipomoea lacunosa), and hophornbeam copperleaf (Acalypha ostryifolia) < 80%; and Palmer amaranth and ivyleaf morningglory (Ipomoea hederacea) from 37 to 89%. CGA-152005 injured peanut up to 37% and reduced yield up to 94%.

Keywords

CGA-152005 (proposed common name prosulfuron), 1-(4-methoxy-6-methyl-triazin-2-yl)-3-[2-(3,3,3-trifluoroprophyl)phenylsufonyl]ureaeclipta, Eclipta prostrata L. # ECLALgolden crownbeard, Verbesina enceliodes (Cav.) Benth et Hook # VERENhophornbeam copperleaf, Acalypha ostryifolia Riddell # ACCOSivyleaf morningglory, Ipomoea hederacea (L.) Jacq. # IPOHEPalmer amaranth, Amaranthus palmeri S. Wats. # AMAPApitted morningglory, Ipomoea lacunosa L. # IPOLAsandhills amaranth, Amaranthus arenicola I.M. Johnst. # AMAARpeanut, Arachis hypogaea L. ‘GK-7.’Groundnutpreemergencepostemergenceweed managementEPOST, early postemergencePOST, postemergencePPI, preplant incorporatedPRE, preemergence
Type
Research
Information
Weed Technology , Volume 14 , Issue 1 , March 2000 , pp. 218 - 222
Copyright
Copyright © Weed Science Society of America 

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References

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