Abstract
A pot experiment was performed to investigate physiological responses of Festuca arundinacea L.on turf medium mixed with waste crumb rubber to NaCl stress.The results showed that addition of waste crumb rubber into turf medium increased underground biomass and chlorophyll content of F.arundinacea.The aboveground and underground biomass of F.arundinacea was increased by waste crumb rubber when NaCl concentration was higher than 0.4%.No significant differences in peroxidase(POD) were found by addition of waste crumb rubber into turf medium.When NaCl concentration was more than 0.4%,POD activity in crumb rubber treatments was higher than that of controls.However,superoxide dismutase(SOD) activity was significantly increased at all NaCl concentrations with addition of crumb rubber into turf medium.Especially at 0.2% NaCl concentration,SOD activity was increased by 161.66% compared with control.In addition,treatments with crumb rubber resulted in the marked alleviation in the increases of the content of malondialdehyde(MDA) and relative electrical conductance in leaves under NaCl stress compared with control.Proline content wasn't affected by crumb rubber obviously.The result suggested that turf medium mixed with crumb rubber may alleviate the damage caused by salt in F.arundinacea,thus improved the resistance of F.arundinacea to salt stress.
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Claims 9
Claim · model-written summary
Crumb rubber increased underground biomass and chlorophyll content.
- Taxon
- Festuca arundinacea L.
Lolium arundinaceumt0 - Treatment
- addition of waste crumb rubber into turf mediume0
- Outcome
- underground biomass and chlorophyll contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of waste crumb rubber into turf medium increased underground biomass and chlorophyll content of F.arundinacea”
t0“Festuca arundinacea L.”
Claim · model-written summary
With NaCl above 0.4%, crumb rubber increased aboveground and underground biomass.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- waste crumb rubbere0
- Outcome
- aboveground and underground biomasse0
- Direction
- increasede0
- Qualifier
- NaCl concentration was higher than 0.4%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The aboveground and underground biomass of F.arundinacea was increased by waste crumb rubber when NaCl concentration was higher than 0.4%”
t0“Festuca arundinacea L.”
Claim · model-written summary
Crumb rubber produced no significant overall difference in peroxidase.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- addition of waste crumb rubber into turf mediume0
- Outcome
- peroxidase(POD)e0
- Direction
- No significant differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No significant differences in peroxidase(POD) were found by addition of waste crumb rubber into turf medium”
t0“Festuca arundinacea L.”
Claim · model-written summary
Above 0.4% NaCl, crumb rubber treatment had higher POD activity than controls.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- crumb rubber treatmentse0
- Outcome
- POD activitye0
- Direction
- highere0
- Qualifier
- NaCl concentration was more than 0.4%e0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When NaCl concentration was more than 0.4%,POD activity in crumb rubber treatments was higher than that of controls”
t0“Festuca arundinacea L.”
Claim · model-written summary
Crumb rubber significantly increased SOD activity at all NaCl concentrations.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- addition of crumb rubber into turf mediume0
- Outcome
- superoxide dismutase(SOD) activitye0
- Direction
- increasede0
- Qualifier
- at all NaCl concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“superoxide dismutase(SOD) activity was significantly increased at all NaCl concentrations with addition of crumb rubber into turf medium”
t0“Festuca arundinacea L.”
Claim · model-written summary
At 0.2% NaCl, crumb rubber increased SOD activity by 161.66%.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- addition of crumb rubber into turf mediume1
- Outcome
- SOD activitye0
- Direction
- increasede0
- Value
- 161.66%e0
- Qualifier
- 0.2% NaCl concentratione0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at 0.2% NaCl concentration,SOD activity was increased by 161.66% compared with control”
e1“addition of crumb rubber into turf medium”
t0“Festuca arundinacea L.”
Claim · model-written summary
Crumb rubber alleviated increases in leaf MDA and relative electrical conductance under NaCl stress.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Organ / stage
- leavese0
- Treatment
- treatments with crumb rubbere0
- Outcome
- content of malondialdehyde(MDA) and relative electrical conductancee0
- Direction
- alleviatione0
- Qualifier
- under NaCl stresse0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatments with crumb rubber resulted in the marked alleviation in the increases of the content of malondialdehyde(MDA) and relative electrical conductance in leaves under NaCl stress compared with control”
t0“Festuca arundinacea L.”
Claim · model-written summary
Crumb rubber did not obviously affect proline content.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- crumb rubbere0
- Outcome
- Proline contente0
- Direction
- wasn't affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline content wasn't affected by crumb rubber obviously”
t0“Festuca arundinacea L.”
Claim · model-written summary
The authors suggest crumb rubber turf medium alleviates salt damage and improves salt resistance.
- Taxon
- Festuca arundinacea L.Lolium arundinaceumt0
- Treatment
- turf medium mixed with crumb rubbere0
- Outcome
- resistance of F.arundinacea to salt stresse0
- Direction
- improvede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“turf medium mixed with crumb rubber may alleviate the damage caused by salt in F.arundinacea,thus improved the resistance of F.arundinacea to salt stress”
t0“Festuca arundinacea L.”
The same questions in other papers
in vitro · physiology: pigments · Lolium arundinaceum (tall fescue)Positive and negative results
1 in the opposite direction
- no effect
in vitro · physiology: antioxidant enzymes · Lolium arundinaceum (tall fescue)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
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.