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Effectiveness of Ammonium Thiosulfate to Enhance Weed Control and Reduce Cotton (Gossypium hirsutum) Injury

Published online by Cambridge University Press:  20 January 2017

Jason C. Sanders ,
C. Dale Monks ,
Michael G. Patterson ,
Dennis P. Delaney ,
Don P. Moore  and
Larry W. Wells
Jason C. Sanders
Affiliation:
Department of Agronomy and Soils and Alabama Agricultural Experiment Station, Auburn University, Auburn, AL 36849
C. Dale Monks
Affiliation:
Department of Agronomy and Soils and Alabama Agricultural Experiment Station, Auburn University, Auburn, AL 36849
Michael G. Patterson
Affiliation:
Department of Agronomy and Soils and Alabama Agricultural Experiment Station, Auburn University, Auburn, AL 36849
Dennis P. Delaney
Affiliation:
Department of Agronomy and Soils and Alabama Cooperative Extension System, Auburn University, Auburn, AL 36849
Don P. Moore
Affiliation:
Alabama Agricultural Experiment Station Research Station, 310 Samford Hall, Auburn University, Auburn, AL 36849
Larry W. Wells
Affiliation:
Alabama Agricultural Experiment Station Research Station, 310 Samford Hall, Auburn University, Auburn, AL 36849
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Abstract

Field experiments were conducted in 1997 and 1998 at the Prattville Experiment Field in Prattville, AL and the Wiregrass Substation in Headland, AL to determine if ammonium thiosulfate (ATS) additions to monosodium methanearsonate (MSMA) affects weed control, reduces MSMA-induced cotton injury, lessens the fruiting and maturity delay on cotton caused by MSMA, and lessens MSMA-induced yield reductions in cotton. Treatments were applied before cotton was at the pinhead square stage and the weeds were 5 cm tall. Weeds evaluated were sicklepod, morningglory species, yellow nutsedge, and Texas panicum. ATS additions to MSMA occasionally enhanced control of all weeds 5 to 20%. However, the addition of ATS did not reduce crop injury caused by MSMA, the effects of MSMA on cotton maturity, or yield reductions caused by MSMA.

Keywords

MSMA, monosodium methanearsonatemorningglory species, Ipomoea spp. #3 IPOZZsicklepod, Senna obtusifolia (L.) Irwin and Barneby # CASOBTexas panicum, Panicum texanum Buckl. # PANTEyellow nutsedge, Cyperus esculentus L. # CYPEScotton, Gossypium hirsutum L.ATS, ammonium thiosulfateDAT, days after treatmentPOST, postemergence
Type
Research
Information
Weed Technology , Volume 15 , Issue 2 , June 2001 , pp. 236 - 241
Copyright
Copyright © Weed Science Society of America 

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