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Carbon Partitioning and Herbicide Transport in Glyphosate-Treated Sugarbeet (Beta vulgaris)

Published online by Cambridge University Press:  12 June 2017

Judy A. Gougler  and
Donald R. Geiger
Judy A. Gougler
Affiliation:
Biology Dep., Univ. Dayton, Dayton, OH 45469
Donald R. Geiger
Affiliation:
Biology Dep., Univ. Dayton, Dayton, OH 45469
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Abstract

Glyphosate [N-(phosphonomethyl)glycine] had several effects on carbon translocation in sugarbeet (Beta vulgaris L. ‘Klein E multigerm’): a) import of carbon by sink leaves was inhibited, b) net starch accumulation in source leaves was stopped, and c) carbon export from source leaves in the dark was stopped following 10 h of treatment in the light. During periods when no carbon was exported, glyphosate also was not transported from treated leaves. The limitation of glyphosate transport, resulting from disruption of carbon metabolism, appears important in the study and use of the herbicide.

Keywords

Sink importstarch accumulationtranslocationphloem transportcarbohydrate pools
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 32 , Issue 4 , July 1984 , pp. 546 - 551
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

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