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Effect of Diallate on Foliar Uptake and Translocation of Herbicides in Pea

Published online by Cambridge University Press:  12 June 2017

David G. Davis  and
Kendall E. Dusbabek
David G. Davis
Affiliation:
Metabolism and Radiation Res. Lab., State Univ. Sta., Fargo, North Dakota 58102
Kendall E. Dusbabek
Affiliation:
Metabolism and Radiation Res. Lab., State Univ. Sta., Fargo, North Dakota 58102
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Abstract

Exposure of pea plants (Pisum sativum L. ‘Little Marvel’) to vapors of S-(2,3-dichloroallyl)diisopropylthiocarbamate (diallate) increased the subsequent foliar uptake of 14C-labeled herbicides. Increased amounts of 14C-activity were found in the tissues of diallate-treated plants as compared to the controls when herbicides were applied to the leaves as aqueous solutions or embedded in agar blocks. The herbicides were (2,4-dichlorophenoxy)acetic acid-1-14C (2,4-D), uniformly ring-14C 2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine (atrazine),trichloroacetic acid-2-14C (TCA), and ethylene-14C 6,7-dihydrodipyrido[1,2-a:2′,1′-c]pyrazinediium ion (diquat). The increased movement of herbicides into diallate-treated peas was primarily attributed to a reduction of epicuticular lipids on leaves of the treated plants.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 1 , January 1973 , pp. 16 - 18
Copyright
Copyright © 1973 Weed Science Society of America 

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References

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