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Effect of R-25788 on EPTC Metabolism in Corn (Zea mays)

Published online by Cambridge University Press:  12 June 2017

R. D. Carringer ,
C. E. Rieck  and
L. P. Bush
R. D. Carringer
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506
C. E. Rieck
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506
L. P. Bush
Affiliation:
Dep. of Agron., Univ. of Kentucky, Lexington, KY 40506
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Abstract

R-25788 (N,N-diallyl-2,2-dichloroacetamide) had no effect on 14CO2 evolution from carbonyl-14C-EPTC (S-ethyl dipropylthiocarbamate) treated corn (Zea mays L. ‘inbred Oh551’). Treatment with 1.0 ppmw R-25788 increased production of water-soluble and unextractable products from EPTC and increased the rate of disappearance of organic-soluble radioactivity. R-25788 increased levels of reduced and oxidized glutathione in corn roots. Pretreatment of corn in nutrient solution with R-25788 had no effect on glutathione synthetase activity in root tissue, but R-25788 at 5.0 and 500.0 nM showed an in vitro stimulation of the enzyme.

Type
Research Article
Information
Weed Science , Volume 26 , Issue 2 , March 1978 , pp. 167 - 171
Copyright
Copyright © 1978 by the Weed Science Society of America 

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