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Growth Inhibitions by 2,2-Dichloropropionic Acid

Published online by Cambridge University Press:  12 June 2017

Robt. E. Wilkinson
Robt. E. Wilkinson*
Affiliation:
From a thesis submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy, Botany Department, University of California, Davis, California
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Abstract

In undrained soil or solution cultures of oats or barley, the effects of hours of exposure and concentration of 2,2-dichloropropionic acid (dalapon) on height and fresh weight were equivalent. Dalapon was shown to be a growth inhibitor in corn coleoptile and pea stem sections but was inactive in oat coleoptile sections. Dalapon was antagonistic to IAA induced growth in corn coleoptile sections and 2,4-D induced growth in pea stem and oat coleoptile sections. The antagonism was reversible in pea and oat tissue, but was competitive in pea stem sections. Dalapon was shown to be an anti-auxin.

Type
Research Article
Information
Weeds , Volume 10 , Issue 4 , October 1962 , pp. 275 - 281
Copyright
Copyright © 1962 Weed Science Society of America 

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References

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