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Aspects of Movement of 2,4,5-T in Blackjack Oak

Published online by Cambridge University Press:  12 June 2017

Amir A. Badiei ,
Eddie Basler  and
Paul W. Santelmann
Amir A. Badiei
Affiliation:
Agronomy Department, Oklahoma State University, Stillwater
Eddie Basler
Affiliation:
Botany Department, Oklahoma State University, Stillwater
Paul W. Santelmann
Affiliation:
Agronomy Department, Oklahoma State University, Stillwater
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Abstract

Some factors affecting the absorption and translocation of radioactive 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) in blackjack oak (Quercus marilandica Muench.) were studied. Absorption of 2,4,5-T was less in plants treated late in the growing season than in those treated earlier. Absorption and translocation of 2,4,5-T were inversely related to soil moisture stress. Increases in the rate of application from 10 to 50 μg of 2,4,5-T per plant caused a decrease in absorption and translocation, but decrease of the latter did not occur until the rate was increased above 25 μg/plant. Translocation was highest in June and was higher from the leaves of mature plants than from young regrowth.

Type
Research Article
Information
Weeds , Volume 14 , Issue 4 , October 1966 , pp. 302 - 305
Copyright
Copyright © 1966 Weed Science Society of America 

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References

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