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Response of Sweet Corn (Zea mays) Endosperm Mutants to Chloracetamide and Thiocarbamate Herbicides

Published online by Cambridge University Press:  12 June 2017

Mark A. Bennett  and
Stanley F. Gorski
Mark A. Bennett
Affiliation:
Dep. Hortic., The Ohio State Univ., Columbus, OH 43210
Stanley F. Gorski
Affiliation:
Dep. Hortic., The Ohio State Univ., Columbus, OH 43210
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Abstract

Cold stress and field studies were conducted to determine the effects of alachlor, metolachlor, butylate plus dichlormid, and EPTC plus dichlormid on germination and seedling vigor of 30 sweet corn cultivars with three commercially important endosperm mutants (su, se, and sh2). Seedling emergence from cool soils was best when treated with EPTC plus dichlormid and alachlor and was decreased 11% by metolachlor and butylate plus dichlormid. The se and sh2 endosperm mutants were injured the most by the herbicides. Plant size was reduced by the thiocarbamate herbicides but not by the chloracetamides.

Keywords

Alachlor, 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamidebutylate, S-ethyl bis(2-methylpropyl)carbamothioateEPTC S-ethyl dipropyl carbamothioatemetolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl) acetamidedichlormid, 2,2-dichloro-N,N-di-2-propenylacetamidesweet corn, Zea mays L.Sweet cornstand establishmentmaizesugary (su)sugary-enhancer (se)shrunken-2 (sh2)alachlormetolachlorbutylateEPTC
Type
Research
Information
Weed Technology , Volume 3 , Issue 3 , September 1989 , pp. 475 - 478
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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