Paper · 2000 · Proceedings of the New Zealand Weed Control Conference

Uptake of glyphosate into wheat surfactant interaction and mechanistic implications

Z.Q. Liu; J.A. Zabkiewicz

5
claims
9
verbatim quotes
4
citations
1
research areas
✓
Open access

Abstract

Glyphosate uptake into wheat in the presence of Mon 0818 a tallow amine surfactant varied with both ai and surfactant dose on the leaf surface A high level of uptake (> 80 at 24 h) was recorded when the glyphosate dose was ge; 024 g/mm2 or when the Mon 0818 dose was ge; 048 g/mm2 When Mon 0818 and Silwet L77 were used together although droplet spread area and ai dose changed glyphosate uptake was still dose dependant and the threshold dose for 80 uptake (at 24 h) was still between 0203 g/mm2 This suggests that L77 has no negative effect per se on glyphosate uptake in the presence of Mon 0818 apart from affecting droplet spreading

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Claims 5

Associationobservedoriginal resultmeasured

Claim · model-written summary

Glyphosate uptake varied with glyphosate and surfactant dose.

Treatment
Mon 0818e0
Outcome
Glyphosate uptakee0

Not reportedDirection

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Glyphosate uptake into wheat in the presence of Mon 0818 a tallow amine surfactant varied with both ai and surfactant dose on the leaf surface”

✓ located verbatim in the source · abstract, characters 0–142 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Uptake exceeded 80 at 24 h above the stated glyphosate dose.

Treatment
glyphosate dose was ge; 024 g/mm2e0
Outcome
uptakee0
Direction
highe0
Value
> 80 at 24 he0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“A high level of uptake (> 80 at 24 h) was recorded when the glyphosate dose was ge; 024 g/mm2”

✓ located verbatim in the source · abstract, characters 143–236 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 26–31 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Uptake exceeded 80 at 24 h above the stated Mon 0818 dose.

Treatment
Mon 0818 dose was ge; 048 g/mm2e0
Outcome
uptakee0
Direction
highe0
Value
> 80 at 24 he0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“A high level of uptake (> 80 at 24 h) was recorded when the glyphosate dose was ge; 024 g/mm2 or when the Mon 0818 dose was ge; 048 g/mm2”

✓ located verbatim in the source · abstract, characters 143–280 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 26–31 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

With both surfactants uptake remained dose dependent with a threshold between 0203 g/mm2.

Outcome
glyphosate uptakee0
Value
0203 g/mm2e0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“When Mon 0818 and Silwet L77 were used together although droplet spread area and ai dose changed glyphosate uptake was still dose dependant and the threshold dose for 80 uptake (at 24 h) was still between 0203 g/mm2”

✓ located verbatim in the source · abstract, characters 281–496 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 26–31 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

L77 was inferred to have no direct negative effect on uptake beyond droplet spreading.

Treatment
L77e0
Outcome
glyphosate uptakee0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This suggests that L77 has no negative effect per se on glyphosate uptake in the presence of Mon 0818 apart from affecting droplet spreading”

✓ located verbatim in the source · abstract, characters 497–637 · show in text ↑
t0

“wheat”

✓ located verbatim in the source · title, characters 26–31 · show in text ↑

glyphosate · nutrient: content · Triticum aestivum (wheat)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this paper · 2 in the opposite direction

  1. negative
  2. negative
  3. positive
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.