Abstract
Seedling growth of two rice(Oryza sativa L.) cultivars,ShengDao 13(SD13,chilling-tolerant) and IR50(chilling susceptible) was significantly inhibited by pyribambenz-propyl(at 100 nmol/L),whereas only that of IR50 was inhibited by paraquat(at 50 nmol/L).MDA contents in leaves of both cultivars were significantly elevated by paraquat treatment,in line with the latter's herbicidal mechanism of generating ROS in green tissues under light.On the other hand,MDA content of SD13 but not of IR50 was increased by pyribambenz-propyl,implicating that the herbicide caused in SD13 oxidative stress,which,was not apparent in IR50.The limited tolerance of SD13 to paraquat could be related to the rise of GSH and AsA in response to the herbicide.After growing in 1mmol/L H_2O_2 for five days,H_2O_2 content in SD13 decreased slightly while that in IR50 rose significantly,suggesting the likelihood of improving stress-tolerance of the chilling-susceptible rice cultivar by pretreatment with H_2O_2.
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Claims 9
Claim · model-written summary
Pyribambenz-propyl significantly inhibited seedling growth of ShengDao 13.
- Taxon
- rice
Oryza sativae0 - Material
- ShengDao 13e0
- Treatment
- pyribambenz-propyl(at 100 nmol/L)e0
- Outcome
- Seedling growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seedling growth of two rice(Oryza sativa L.) cultivars,ShengDao 13(SD13,chilling-tolerant) and IR50(chilling susceptible) was significantly inhibited by pyribambenz-propyl(at 100 nmol/L)”
Claim · model-written summary
Pyribambenz-propyl significantly inhibited seedling growth of IR50.
- Taxon
- riceOryza sativae0
- Material
- IR50e0
- Treatment
- pyribambenz-propyl(at 100 nmol/L)e0
- Outcome
- Seedling growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seedling growth of two rice(Oryza sativa L.) cultivars,ShengDao 13(SD13,chilling-tolerant) and IR50(chilling susceptible) was significantly inhibited by pyribambenz-propyl(at 100 nmol/L)”
Claim · model-written summary
Paraquat inhibited seedling growth only in IR50.
- Taxon
- riceOryza sativat0
- Material
- IR50e0
- Treatment
- paraquat(at 50 nmol/L)e0
- Outcome
- Seedling growthe1
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“only that of IR50 was inhibited by paraquat(at 50 nmol/L)”
t0“RICE”
e1“Seedling growth of two rice(Oryza sativa L.) cultivars”
Claim · model-written summary
Paraquat significantly elevated leaf MDA in both rice cultivars.
- Taxon
- riceOryza sativat0
- Organ / stage
- leavese0
- Treatment
- paraquat treatmente0
- Outcome
- MDA contentse0
- Direction
- elevatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MDA contents in leaves of both cultivars were significantly elevated by paraquat treatment”
t0“RICE”
Claim · model-written summary
Pyribambenz-propyl increased MDA content in SD13.
- Taxon
- riceOryza sativat0
- Material
- SD13e0
- Treatment
- pyribambenz-propyle0
- Outcome
- MDA contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MDA content of SD13 but not of IR50 was increased by pyribambenz-propyl”
t0“RICE”
Claim · model-written summary
Pyribambenz-propyl did not increase MDA content in IR50.
- Taxon
- riceOryza sativat0
- Material
- IR50e0
- Treatment
- pyribambenz-propyle0
- Outcome
- MDA contente0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MDA content of SD13 but not of IR50 was increased by pyribambenz-propyl”
t0“RICE”
Claim · model-written summary
The authors linked SD13 limited paraquat tolerance with increased GSH and AsA.
- Taxon
- riceOryza sativat0
- Material
- SD13e0
- Compound
- GSH and AsAe0
- Outcome
- limited tolerancee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The limited tolerance of SD13 to paraquat could be related to the rise of GSH and AsA in response to the herbicide.”
t0“RICE”
Claim · model-written summary
After five days in 1mmol/L hydrogen peroxide, SD13 hydrogen peroxide content decreased slightly.
- Taxon
- riceOryza sativat0
- Material
- SD13e0
- Treatment
- 1mmol/L H_2O_2 for five dayse0
- Outcome
- H_2O_2 contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After growing in 1mmol/L H_2O_2 for five days,H_2O_2 content in SD13 decreased slightly”
t0“RICE”
Claim · model-written summary
After five days in 1mmol/L hydrogen peroxide, IR50 hydrogen peroxide content rose significantly.
- Taxon
- riceOryza sativat0
- Material
- IR50e0
- Treatment
- 1mmol/L H_2O_2 for five dayse0
- Outcome
- H_2O_2 contente0
- Direction
- rosee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After growing in 1mmol/L H_2O_2 for five days,H_2O_2 content in SD13 decreased slightly while that in IR50 rose significantly”
t0“RICE”
The same questions in other papers
paraquat · growth · Oryza sativa (rice)Results differ
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
paraquat · physiology: oxidative · Oryza sativa (rice)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.