Abstract
The response of potato ( Solanum tuberosum L. 'Superior’) to glyphosate [ N -(phosphonomethyl)glycine] at rates between 0.28 and 2.24 kg ae/ha was determined in four environments: 24/13 or 13/4 C temperature regimes with light levels of 650 ± 53 or 320 ± 45 μE · m −2 · S −1 . Light level did not affect phytotoxicity ratings or shoot fresh weight following glyphosate application. Greater phytotoxicity and reduced fresh weight accumulation were observed from glyphosate at rates above 0.56 kg/ha in a high-temperature regime than for comparable plants grown at low temperature. Studies of 14 C-glyphosate uptake and translocation indicated that the differences in phytotoxicity were due to less glyphosate absorption at low temperature and not a shift in distribution patterns within the plant.
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Claims 6
Claim · model-written summary
Light level did not affect phytotoxicity ratings after glyphosate application.
- Taxon
- potato
Solanum tuberosume1 - Treatment
- Light levele0
- Outcome
- phytotoxicity ratingse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Light level did not affect phytotoxicity ratings or shoot fresh weight following glyphosate application”
e1“potato ( Solanum tuberosum L. ’Superior’)”
Claim · model-written summary
Light level did not affect shoot fresh weight after glyphosate application.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- Light levele0
- Outcome
- shoot fresh weighte0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Light level did not affect phytotoxicity ratings or shoot fresh weight following glyphosate application”
e1“potato ( Solanum tuberosum L. ’Superior’)”
Claim · model-written summary
Glyphosate above 0.56 kg/ha caused greater phytotoxicity at high than low temperature.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- glyphosate at rates above 0.56 kg/hae0
- Outcome
- phytotoxicitye0
- Direction
- Greatere0
- Comparator
- comparable plants grown at low temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Greater phytotoxicity and reduced fresh weight accumulation were observed from glyphosate at rates above 0.56 kg/ha in a high-temperature regime than for comparable plants grown at low temperature”
e1“potato ( Solanum tuberosum L. ’Superior’)”
Claim · model-written summary
Glyphosate above 0.56 kg/ha reduced fresh weight more at high temperature.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- glyphosate at rates above 0.56 kg/hae0
- Outcome
- fresh weight accumulatione0
- Direction
- reducede0
- Comparator
- comparable plants grown at low temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Greater phytotoxicity and reduced fresh weight accumulation were observed from glyphosate at rates above 0.56 kg/ha in a high-temperature regime than for comparable plants grown at low temperature”
e1“potato ( Solanum tuberosum L. ’Superior’)”
Claim · model-written summary
Glyphosate absorption was lower at low temperature.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- low temperaturee0
- Outcome
- glyphosate absorptione0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“less glyphosate absorption at low temperature”
e1“potato ( Solanum tuberosum L. ’Superior’)”
Claim · model-written summary
Glyphosate distribution patterns did not shift within the plant.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- low temperaturee2
- Outcome
- distribution patterns within the plante0
- Direction
- not a shifte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“not a shift in distribution patterns within the plant”
e1“potato ( Solanum tuberosum L. ’Superior’)”
e2“less glyphosate absorption at low temperature”
The same questions in other papers
glyphosate · crop injury · Solanum tuberosum (potato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
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glyphosate · growth · Solanum tuberosum (potato)Positive and negative results
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1 paper more in this group
See all 5 papers →light · growth · Solanum tuberosum (potato)Positive and negative results
10 papers in the same direction as this paper · 42 in the opposite direction
- negative
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49 papers more in this group
See all 53 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.