Abstract
The research was performed in a green house under potted conditions to evaluate the effects of salt stress on photosynthesis,antioxidant protective systems and inorganic ionic concentrations of Prunus persica (L.) Batsch seedlings,aiming for a better understanding of the physiological and biochemical responses to increasing salinity (NaCl).The results showed that photosynthetic rates,stomatal conductance,and water use efficiency in leaves were reduced by salt stress,but transpiration rates were increased.Hydrogen peroxide and superoxide radical concentrations increased with the salinity increasing.The phenomena was also observed in malondialdehyde,which suggested that the leaves of Prunus persica (L.) Batsch suffered from salt injure.SOD activities quickly responded and then increased when Prunus persica (L.) Batsch seedlings were subjected to salt stress.Soluble protein and reduced ascrobate contents in leaves were restrained by salt stress.When the seedlings were exposed to 100 mmol/L NaCl,reduced glutathione content was not affected,whereas salt stress stimulated the accumulation of reduced glutathione of the seedlings exposed to 200 mmol/L NaCl.Salt stress induced the accumulation of Na+ and Cl-,but reduced the concentrations of K+,Ca2+ and Mg2+ and the ratio of other ions and Na+.
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Claims 11
Claim · model-written summary
Salt stress reduced leaf photosynthetic rate, stomatal conductance and water use efficiency.
- Taxon
- Prunus persica (L.) Batsch
Prunus persicat0 - Treatment
- salt stresse0
- Outcome
- photosynthetic rates,stomatal conductance,and water use efficiencye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“photosynthetic rates,stomatal conductance,and water use efficiency in leaves were reduced by salt stress”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Salt stress increased leaf transpiration.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Outcome
- transpiration ratese0
- Direction
- increasede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“transpiration rates were increased”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Increasing salinity increased hydrogen peroxide and superoxide radical concentrations.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Treatment
- salinitye0
- Outcome
- Hydrogen peroxide and superoxide radical concentrationse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hydrogen peroxide and superoxide radical concentrations increased with the salinity increasing”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Malondialdehyde also increased with salinity.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Outcome
- malondialdehydee0
Not reportedTreatmentDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The phenomena was also observed in malondialdehyde”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
SOD activity rose under salt stress.
- Taxon
- Prunus persica (L.) BatschPrunus persicae0
- Treatment
- salt stresse0
- Gene
- SODe0
- Outcome
- SOD activitiese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SOD activities quickly responded and then increased when Prunus persica (L.) Batsch seedlings were subjected to salt stress”
Claim · model-written summary
Salt stress restrained leaf soluble protein and reduced ascorbate contents.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Treatment
- salt stresse0
- Outcome
- Soluble protein and reduced ascrobate contentse0
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soluble protein and reduced ascrobate contents in leaves were restrained by salt stress”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
At 100 mmol/L NaCl, reduced glutathione content was unaffected.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Treatment
- 100 mmol/L NaCle0
- Outcome
- reduced glutathione contente0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the seedlings were exposed to 100 mmol/L NaCl,reduced glutathione content was not affected”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
At 200 mmol/L NaCl, reduced glutathione accumulated.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Treatment
- 200 mmol/L NaCle0
- Outcome
- accumulation of reduced glutathionee0
- Direction
- stimulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress stimulated the accumulation of reduced glutathione of the seedlings exposed to 200 mmol/L NaCl”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Salt stress increased Na+ and Cl- accumulation.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Treatment
- Salt stresse0
- Outcome
- accumulation of Na+ and Cl-e0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress induced the accumulation of Na+ and Cl-”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Salt stress reduced K+, Ca2+ and Mg2+ concentrations.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Outcome
- concentrations of K+,Ca2+ and Mg2+e0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced the concentrations of K+,Ca2+ and Mg2+”
t0“Prunus persica (L.) Batsch”
Claim · model-written summary
Salt stress reduced the ratio of other ions to Na+.
- Taxon
- Prunus persica (L.) BatschPrunus persicat0
- Outcome
- ratio of other ions and Na+e0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced the concentrations of K+,Ca2+ and Mg2+ and the ratio of other ions and Na+”
t0“Prunus persica (L.) Batsch”
The same questions in other papers
salinity · physiology: osmolytes · Prunus persica (peach)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
salinity · physiology: photosynthesis · Prunus persica (peach)Results agree
2 papers in the same direction as this paper
- negative
- negative
salinity · physiology: antioxidant enzymes · Prunus persica (peach)Results agree
2 papers in the same direction as this paper
- positive
- positive
salinity · physiology: ion balance · Prunus persica (peach)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.