Abstract
This paper systematically compared variations in antioxidant systems and physiological responses to SO2 fumigation between a SO2-resistant clone of poplar(Populus × euramericana cv.74 /76) and its ordinary clone.The resistant clone expressed significantly stronger resistance to SO2 than the ordinary clone.Under SO2 fumigation,the resistant clone maintained relative higher net assimilation rate and had higher survival rate in comparison with the ordinary clone.Under 12 mg.m-3 SO2 concentration fumigation,the resistant clone reduced by 13% while the ordinary clone reduced by 56%.The resistant clone had(P 0.01) 16% higher superoxide dismutase(SOD) activity and 24% higher reduced glutathione(GSH) content than the ordinary clone.Moreover,the size of stomata of the resistant clone was larger,with a lower density in comparison with the ordinary clone.The resistant clone had thicker cuticle than the ordinary clone.The results suggested that higher SOD activity and GSH content in the resistant clone played an important role in resisting atmospheric SO2 pollution.
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Claims 10
Claim · model-written summary
The SO2-resistant poplar clone showed significantly stronger resistance to SO2 than the ordinary clone
- Material
- SO2-resistant clonee0
- Treatment
- SO2 fumigatione2
- Outcome
- resistance to SO2e1
- Direction
- strongere1
- Comparator
- ordinary clonee1
PopulusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e1“The resistant clone expressed significantly stronger resistance to SO2 than the ordinary clone”
e2“Under SO2 fumigation,the resistant clone maintained relative higher net assimilation rate and had higher survival rate in comparison with the ordinary clone”
Claim · model-written summary
Under SO2 fumigation the resistant clone kept a relatively higher net assimilation rate than the ordinary clone
- Material
- SO2-resistant clonee0
- Treatment
- SO2 fumigatione2
- Outcome
- net assimilation ratee2
- Direction
- highere2
- Comparator
- ordinary clonee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e2“Under SO2 fumigation,the resistant clone maintained relative higher net assimilation rate and had higher survival rate in comparison with the ordinary clone”
Claim · model-written summary
Under SO2 fumigation the resistant clone had a higher survival rate than the ordinary clone
- Material
- SO2-resistant clonee0
- Treatment
- SO2 fumigatione2
- Outcome
- survival ratee2
- Direction
- highere2
- Comparator
- ordinary clonee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e2“Under SO2 fumigation,the resistant clone maintained relative higher net assimilation rate and had higher survival rate in comparison with the ordinary clone”
Claim · model-written summary
Under 12 mg.m-3 SO2 fumigation the resistant clone reduced by 13% while the ordinary clone reduced by 56%
- Material
- SO2-resistant clonee0
- Treatment
- 12 mg.m-3 SO2 concentration fumigatione3
- Direction
- reducede3
- Value
- 13%e3
- Qualifier
- ordinary clone reduced by 56%e3
- Comparator
- ordinary clonee3
Not reportedOutcome
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e3“Under 12 mg.m-3 SO2 concentration fumigation,the resistant clone reduced by 13% while the ordinary clone reduced by 56%”
Claim · model-written summary
The resistant clone had 16% higher superoxide dismutase (SOD) activity than the ordinary clone
- Material
- resistant clonee4
- Outcome
- superoxide dismutase(SOD) activitye4
- Direction
- highere4
- Value
- 16%e4
- Comparator
- ordinary clonee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e4“The resistant clone had(P 0.01) 16% higher superoxide dismutase(SOD) activity and 24% higher reduced glutathione(GSH) content than the ordinary clone”
Claim · model-written summary
The resistant clone had 24% higher reduced glutathione (GSH) content than the ordinary clone
- Material
- resistant clonee4
- Outcome
- reduced glutathione(GSH) contente4
- Direction
- highere4
- Value
- 24%e4
- Comparator
- ordinary clonee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e4“The resistant clone had(P 0.01) 16% higher superoxide dismutase(SOD) activity and 24% higher reduced glutathione(GSH) content than the ordinary clone”
Claim · model-written summary
The stomata of the resistant clone were larger than those of the ordinary clone
- Material
- resistant clonee5
- Organ / stage
- stomatae5
- Outcome
- size of stomatae5
- Direction
- largere5
- Comparator
- ordinary clonee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e5“Moreover,the size of stomata of the resistant clone was larger,with a lower density in comparison with the ordinary clone”
Claim · model-written summary
The stomatal density of the resistant clone was lower than that of the ordinary clone
- Material
- resistant clonee5
- Organ / stage
- stomatae5
- Outcome
- densitye5
- Direction
- lowere5
- Comparator
- ordinary clonee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e5“Moreover,the size of stomata of the resistant clone was larger,with a lower density in comparison with the ordinary clone”
Claim · model-written summary
The resistant clone had a thicker cuticle than the ordinary clone
- Material
- resistant clonee6
- Organ / stage
- cuticlee6
- Outcome
- cuticlee6
- Direction
- thickere6
- Comparator
- ordinary clonee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e6“The resistant clone had thicker cuticle than the ordinary clone”
Claim · model-written summary
Higher SOD activity and GSH content in the resistant clone played an important role in resisting atmospheric SO2 pollution
- Gene
- SODe7
- Compound
- GSHe7
- Outcome
- resisting atmospheric SO2 pollutione7
- Qualifier
- played an important rolee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SO2-resistant clone of poplar(Populus × euramericana cv.74 /76)”
e7“higher SOD activity and GSH content in the resistant clone played an important role in resisting atmospheric SO2 pollution”
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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.