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Herbicidal Effects of Sodium and Potassium Azides on Mugwort

Published online by Cambridge University Press:  12 June 2017

L. L. Danielson
L. L. Danielson*
Affiliation:
Crops Research Division, Agricultural Research Service, United States Department of Agriculture, Beltsville, Maryland
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Abstract

Mugwort (Artemisia vulgaris L.) was controlled by soil applications of potassium azide at 100 lb/A and equimolecular amounts of sodium azide in greenhouse studies. Rooted Artemisia plants exposed to exponential concentration ranges of these herbicides in ¼ strength Knops nutrient solution showed lethal effects at 10-3 M of either the potassium or sodium azide. Vapors of the potassium and sodium azides caused leaf injury at relatively low rates. Bioassays indicated dissipation of 100 lb/A of the azides in the soil in 6 weeks under greenhouse conditions.

Information

Type
Research Article
Information
Weeds , Volume 13 , Issue 2 , April 1965 , pp. 96 - 98
Copyright
Copyright © 1965 Weed Science Society of America 

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References

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