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A Technique for Studying Absorption and Translocation in Submersed Plants

Published online by Cambridge University Press:  12 June 2017

P. A. Frank  and
Richard H. Hodgson
P. A. Frank
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture
Richard H. Hodgson
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture
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Abstract

An effective technique was developed for partitioning the environment of intact submersed aquatic plants. The technique facilitates absorption and translocation studies by permitting application of radioactive herbicides to selected portions of the plants. Root and shoot treatments of Potamogeton pectinatus L. for 24 to 96 hours with C14-labeled 2,3,6-trichlorophenylacetic acid (fenac) showed no leakage across the partitioned system. Little or no basipetal translocation of the herbicide was observed. Limited acropetal translocation occurred and this was reduced by removal of tubers prior to herbicide application. Accumulation of activity in nodal regions of the stem was noted.

Type
Research Article
Information
Weeds , Volume 12 , Issue 2 , April 1964 , pp. 80 - 82
Copyright
Copyright © 1964 Weed Science Society of America 

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References

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