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Effect of Atrazine on Catalase and Peroxidase in Resistant and Susceptible Lines of Corn

Published online by Cambridge University Press:  12 June 2017

Emory Ford Eastin ,
Rupert D. Palmer  and
C. O. Grogan
Emory Ford Eastin
Affiliation:
Department of Plant Pathology and Weed Science
Rupert D. Palmer
Affiliation:
Plant Pathology and Weed Science, Mississippi Agricultural Experiment Station, Mississippi State University, State College, Mississippi
C. O. Grogan
Affiliation:
Mississippi State University and Agronomist, Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture
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Abstract

Catalase and peroxidase activities were run at several ages on two lines of corn (Zea mays L.)—GT112 RfRf, resistant, and GT112, susceptible to 2-chloro-4-ethylamino-6-isopropylamino-s-triazine (atrazine). Atrazine significantly decreased catalase activity in GT112, while in treated GT112 RfRf catalase activity was usually significantly increased. Catalase activity was higher in GT112 RfRf than in GT112 for both treatments at all ages. GT112 RfRf had a higher peroxidase activity than GT112 when both were untreated, but when treated with atrazine there was no overall trend.

Type
Research Article
Information
Weeds , Volume 12 , Issue 1 , January 1964 , pp. 64 - 65
Copyright
Copyright © 1964 Weed Science Society of America 

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References

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