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Influence of Oils on the Toxicity of Amitrole to Quackgrass

Published online by Cambridge University Press:  12 June 2017

F. O. Aya  and
S. K. Ries
F. O. Aya
Affiliation:
Department of Horticulture, Michigan State University, East Lansing, Michigan
S. K. Ries
Affiliation:
Department of Horticulture, Michigan State University, East Lansing, Michigan
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Abstract

In field trials, 2 gpa of oil enhanced the herbicidal activity of 3-amino-1,2,4-triazole (amitrole) and a mixture of amitrole + ammonium thiocyanate (hereinafter referred to as amitrole-T) on quackgrass (Agropyron repens (L.) Beauv.). None of the oils consistently increased the toxicity of other foliarly-applied herbicides. A paraffinic mineral oil enhanced the activity of amitrole on quackgrass to a greater degree than NH4SCN. The inclusion of a paraffinic mineral oil enhanced both the amount and the rate of 14C-amitrole and amitrole-T translocated from the treated leaf to the shoots and roots, this being more pronounced with amitrole (twelvefold) than with amitrole-T (twofold).

Type
Research Article
Information
Weed Science , Volume 16 , Issue 3 , July 1968 , pp. 288 - 290
Copyright
Copyright © Weed Science Society of America 

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References

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