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Absorption and Translocation of Radioactive 2,4–D in Sugarcane and Bean Plants

Published online by Cambridge University Press:  12 June 2017

Floyd M. Ashton
Floyd M. Ashton*
Affiliation:
Depf. of Botany, University of California, Davis
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Extract

The plant growth regulating properties of 2,4–D (2,4–dichlorophenoxyacetic acid) (26) and the resistance of most monocotyledonous plants to the toxic effect of this chemical (17) have been known for many years. This difference in sensitivity of various species to the toxic effects of 2,4–D has had wide practical use in the field of weed control. However, there is no generally accepted mechanism for the selectivity between sensitive and resistant plants or for the actual mechanism of 2,4–D action. The four areas of research which have been investigated to elucidate the mechanism of action are absorption, translocation, and two distinct metabolic approaches. Absorption and translocation are often studied simultaneously. Metabolism is studied from two approaches, either the fate of 2,4–D in the plant or the effect of 2,4–D on plant metabolism. All of these processes are operating simultaneously in the plant and the ultimate explanation as to the mechanism of 2,4–D action must incorporate all of the contributions from these areas of research.

Type
Research Article
Information
Weeds , Volume 6 , Issue 3 , July 1958 , pp. 257 - 262
Copyright
Copyright © 1958 Weed Science Society of America 

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References

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