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A Search for Atrazine Resistance in Flax (Linum usitatissimum L.)

Published online by Cambridge University Press:  12 June 2017

Robert N. Andersen  and
Richard Behrens
Robert N. Andersen
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture
Richard Behrens
Affiliation:
Agronomy and Plant Genetics, University of Minnesota, St. Paul, Minnesota
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Abstract

The U.S. Department of Agriculture World Collection of Flax Germ Plasm was screened for resistance to 2-chloro-4-ethylamino-6-isopropylamino-s-triazine (atrazine). A single plant selection of CI 719 was the most resistant. It produced dry matter equaling 33% of the control in soil treated with atrazine at 1 lb/A while Amy produced 10%. In another experiment, the selection of CI 719 produced 44% as compared to only 11% for Koto. The atrazine-resistant selection was not resistant to 2-chloro-4,6-bis(ethylamino)-s-triazine [simazine]. Seed of this selection of CI 719 have been entered in the World Collection and assigned the number CI 2484.

Type
Brief Papers
Information
Weeds , Volume 15 , Issue 1 , January 1967 , pp. 85 - 87
Copyright
Copyright © 1967 Weed Science Society of America 

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References

Literature Cited

1. Lorenzoni, G. F. 1962. Stimulant effects of highly diluted simazine. (English translation from Italian by Geigy Agricultural Chemicals, Ardsley, New York) 12 p. Original Reference: Effetto stimolante Delia Simazina a Forte Diluizione. Estratto da Maydica 7:115–124.Google Scholar