Abstract
Five experiments were conducted during 2001 and 2002 in North Carolina to evaluate peanut injury and pod yield when glyphosate was applied to 10 to 15 cm diameter peanut plants at rates ranging from 9 to 1,120 g ai/ha. Shikimic acid accumulation was determined in three of the five experiments. Visual foliar injury (necrosis and chlorosis) was noted 7 d after treatment (DAT) when glyphosate was applied at 18 g/ha or higher. Glyphosate at 280 g/ha or higher significantly injured the peanut plant and reduced pod yield. Shikimic acid accumulation was negatively correlated with visual injury and pod yield. The presence of shikimic acid can be detected using a leaf tissue assay, which is an effective diagnostic tool for determining exposure of peanut to glyphosate 7 DAT.
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Claims 6
Claim · model-written summary
Glyphosate at 18 g/ha or higher caused visual foliar injury at 7 days.
- Taxon
- Peanut
Arachis hypogaeat0 - Treatment
- glyphosate was applied at 18 g/ha or highere0
- Outcome
- Visual foliar injury (necrosis and chlorosis)e0
- Qualifier
- 7 d after treatment (DAT)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Visual foliar injury (necrosis and chlorosis) was noted 7 d after treatment (DAT) when glyphosate was applied at 18 g/ha or higher”
t0“Peanut”
Claim · model-written summary
Glyphosate at 280 g/ha or higher significantly injured peanut.
- Taxon
- peanutArachis hypogaeae0
- Treatment
- Glyphosate at 280 g/ha or highere0
- Outcome
- injured the peanut plante0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate at 280 g/ha or higher significantly injured the peanut plant and reduced pod yield”
Claim · model-written summary
Glyphosate at 280 g/ha or higher reduced pod yield.
- Taxon
- peanutArachis hypogaeae0
- Treatment
- Glyphosate at 280 g/ha or highere0
- Outcome
- pod yielde0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Glyphosate at 280 g/ha or higher significantly injured the peanut plant and reduced pod yield”
Claim · model-written summary
Shikimic acid accumulation was negatively correlated with visual injury.
- Taxon
- PeanutArachis hypogaeat0
- Compound
- Shikimic acide0
- Outcome
- visual injurye0
- Direction
- negativelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shikimic acid accumulation was negatively correlated with visual injury and pod yield”
t0“Peanut”
Claim · model-written summary
Shikimic acid accumulation was negatively correlated with pod yield.
- Taxon
- PeanutArachis hypogaeat0
- Compound
- Shikimic acide0
- Outcome
- pod yielde0
- Direction
- negativelye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shikimic acid accumulation was negatively correlated with visual injury and pod yield”
t0“Peanut”
Claim · model-written summary
A leaf assay detected shikimic acid as an exposure diagnostic at seven days.
- Taxon
- peanutArachis hypogaeae0
- Organ / stage
- leafe0
- Outcome
- exposure of peanut to glyphosatee0
- Value
- 7 DATe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of shikimic acid can be detected using a leaf tissue assay, which is an effective diagnostic tool for determining exposure of peanut to glyphosate 7 DAT”
The same questions in other papers
glyphosate · yield · Arachis hypogaea (peanut)Results differ
5 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- negative
5 papers more in this group
See all 9 papers →glyphosate · physiology: pigments · Arachis hypogaea (peanut)Results agree
1 paper in the same direction as this paper
- negative
glyphosate · crop injury · Arachis hypogaea (peanut)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.