Paper · 1984 · Weed Science

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

Judy A. Gougler; Donald R. Geiger

5
claims
7
verbatim quotes
41
citations
1
research areas
—
Not open access

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.

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Claims 5

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Glyphosate inhibited carbon import by sink leaves of sugarbeet.

Material
Klein E multigerme0
Treatment
Glyphosatee0
Outcome
import of carbon by sink leavese0
Direction
inhibitede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“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”

✓ located verbatim in the source · abstract, characters 0–188 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Glyphosate stopped net starch accumulation in sugarbeet source leaves.

Material
Klein E multigerme0
Treatment
Glyphosatee0
Outcome
net starch accumulation in source leavese0
Direction
stoppede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“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”

✓ located verbatim in the source · abstract, characters 0–245 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Glyphosate stopped carbon export from source leaves in darkness after ten hours of light treatment.

Material
Klein E multigerme0
Treatment
Glyphosatee0
Outcome
carbon export from source leavese0
Direction
stoppede0
Qualifier
following 10 h of treatment in the lighte0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“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”

✓ located verbatim in the source · abstract, characters 0–351 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Glyphosate was not transported from treated leaves during periods without carbon export.

Outcome
glyphosate also was not transported from treated leavese0
Qualifier
periods when no carbon was exportede0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“During periods when no carbon was exported, glyphosate also was not transported from treated leaves”

✓ located verbatim in the source · abstract, characters 353–452 · show in text ↑
t0

“Sugarbeet (Beta vulgaris)”

✓ located verbatim in the source · title, characters 66–91 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors infer that disrupted carbon metabolism limits glyphosate transport.

Outcome
limitation of glyphosate transporte0
Qualifier
disruption of carbon metabolisme0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The limitation of glyphosate transport, resulting from disruption of carbon metabolism, appears important in the study and use of the herbicide”

✓ located verbatim in the source · abstract, characters 454–597 · show in text ↑
t0

“Sugarbeet (Beta vulgaris)”

✓ located verbatim in the source · title, characters 66–91 · show in text ↑

glyphosate · molecular: metabolites · Beta vulgaris (beet)Results agree

4 papers: 0 positive, 4 negative or no effect

3 papers in the same direction as this paper

  1. no effect
  2. no effect
  3. negative
See all 4 papers →

glyphosate · quality: sugar starch · Beta vulgaris (beet)Results agree

4 papers: 0 positive, 4 negative or no effect

3 papers in the same direction as this paper

  1. negative
  2. negative
  3. no effect
See all 4 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.