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Preliminary Studies on the Absorption of C14-Labeled Herbicides in Fish and Aquatic Plants

Published online by Cambridge University Press:  12 June 2017

H. H. Funderburk Jr.  and
J. M. Lawrence
H. H. Funderburk Jr.
Affiliation:
Auburn University Agricultural Experiment Station, Auburn, Alabama
J. M. Lawrence
Affiliation:
Auburn University Agricultural Experiment Station, Auburn, Alabama
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Abstract

The absorption and translocation of labeled herbicides by submersed weeds was studied by sealing the immersed root system in a 60 ml polyethylene bottle and immersing the bottle and shoots in water in a 500 ml graduate. The medium for either roots or tops could be treated without affecting the other. Simazine [2-chloro-4,6-bis(ethylamino-1-C14)-s-triazine] and fenac [2, 3, 6-trichlorophenylacetic acid-1-C14 (mixed isomers)] were absorbed by both roots and shoots of waterstargrass (Heteranthera dubia) and translocated to the untreated portion (root or shoot) of the plant. The distribution patterns of C14-labeled simazine and fenac in bluegills (Lepomis macrohirus) were studied by gross autoradiography. The viscera of the fish contained the greatest amount of activity.

Type
Research Article
Information
Weeds , Volume 11 , Issue 3 , July 1963 , pp. 217 - 219
Copyright
Copyright © 1963 Weed Science Society of America 

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References

Literature Cited

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