Abstract
This study was to investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris. A significant increase of dry weight was observed in 50 mM and 100 mM NaCl. The contents of Chl a, b and carotenoid were lower in NaCl treatments than the control. On 14 day after NaCl treatment, photosynthetic rate (PN), the transpiration rate (E) and stomatal conductance of CO2 (gs) were reduced by NaCl treatment. On 28 day after NaCl treatment, the significant reduction in gs and E was shown in NaCl 200 mM. However, PN and water use efficiency (WUE) in all NaCl treatments showed higher value than that of control. Total ion contents (TIC) and osmolality were higher than the control. On 14 day after treatment, the contents of proline (Pro) increased significantly in 200 mM and 300 mM NaCl concentration compared with control, whereas on 28 day in all treatments it was lower than that of the control. The contents of glycine betaine (GB) increased with the increase of NaCl concentration. The contents of Na+, Cl-, GB, osmolality and TIC increased with the increase of NaCl concentrations. These results suggested that under severe NaCl stress conditions, NaCl treatment did not induce photochemical inhibition on fluorescence in the leaves of B. vulgaris, but the reduction of chlorophyll contents was related in a decrease in leaf production. Furthermore, increased GB as well as Na+ and Cl- contents resulted in a increase of osmolality, which can help to overcome NaCl stress.
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Claims 13
Claim · model-written summary
Dry weight increased significantly in 50 mM and 100 mM NaCl.
- Taxon
- Beta vulgaris
Beta vulgarise0 - Treatment
- 50 mM and 100 mM NaCle1
- Outcome
- dry weighte1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“A significant increase of dry weight was observed in 50 mM and 100 mM NaCl”
Claim · model-written summary
Chlorophyll a, b and carotenoid contents were lower in NaCl treatments than in the control.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl treatmentse2
- Outcome
- contents of Chl a, b and carotenoide2
- Direction
- lowere2
- Comparator
- the controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e2“The contents of Chl a, b and carotenoid were lower in NaCl treatments than the control”
Claim · model-written summary
On day 14 of NaCl treatment, photosynthetic rate, transpiration rate and stomatal conductance were reduced by NaCl treatment.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl treatmente3
- Outcome
- photosynthetic rate (PN), the transpiration rate (E) and stomatal conductance of CO2 (gs)e3
- Direction
- reducede3
- Qualifier
- 14 day after NaCl treatmente3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e3“On 14 day after NaCl treatment, photosynthetic rate (PN), the transpiration rate (E) and stomatal conductance of CO2 (gs) were reduced by NaCl treatment”
Claim · model-written summary
On day 28 of NaCl treatment, stomatal conductance and transpiration were significantly reduced at 200 mM NaCl.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl 200 mMe4
- Outcome
- gs and Ee4
- Direction
- reductione4
- Qualifier
- 28 day after NaCl treatmente4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e4“On 28 day after NaCl treatment, the significant reduction in gs and E was shown in NaCl 200 mM”
Claim · model-written summary
Photosynthetic rate and water use efficiency were higher in all NaCl treatments than in the control.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- all NaCl treatmentse5
- Outcome
- PN and water use efficiency (WUE)e5
- Direction
- highere5
- Comparator
- that of controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e5“However, PN and water use efficiency (WUE) in all NaCl treatments showed higher value than that of control”
Claim · model-written summary
Total ion contents and osmolality were higher than in the control under salt stress.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- salt stresse0
- Outcome
- Total ion contents (TIC) and osmolalitye6
- Direction
- highere6
- Comparator
- the controle6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e6“Total ion contents (TIC) and osmolality were higher than the control”
Claim · model-written summary
On day 14, proline contents increased significantly in 200 and 300 mM NaCl compared with the control.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- 200 mM and 300 mM NaCl concentratione7
- Outcome
- contents of proline (Pro)e7
- Direction
- increasede7
- Qualifier
- 14 day after treatmente7
- Comparator
- controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e7“On 14 day after treatment, the contents of proline (Pro) increased significantly in 200 mM and 300 mM NaCl concentration compared with control, whereas on 28 day in all treatments it was lower than that of the control”
Claim · model-written summary
On day 28, proline contents were lower in all treatments than in the control.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- all treatmentse7
- Outcome
- contents of proline (Pro)e7
- Direction
- lowere7
- Qualifier
- 28 daye7
- Comparator
- that of the controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e7“On 14 day after treatment, the contents of proline (Pro) increased significantly in 200 mM and 300 mM NaCl concentration compared with control, whereas on 28 day in all treatments it was lower than that of the control”
Claim · model-written summary
Na+, Cl- and glycine betaine contents increased with increasing NaCl concentration.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl concentrationse1
- Outcome
- Na+, Cl-, GBe1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“The contents of Na+, Cl-, GB, osmolality and TIC increased with the increase of NaCl concentrations”
Claim · model-written summary
Osmolality and total ion contents increased with increasing NaCl concentration.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl concentrationse1
- Outcome
- osmolality and TICe1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“The contents of Na+, Cl-, GB, osmolality and TIC increased with the increase of NaCl concentrations”
Claim · model-written summary
Increased glycine betaine and Na+ and Cl- contents resulted in increased osmolality, which can help overcome NaCl stress.
- Taxon
- Beta vulgarisBeta vulgarise0
- Compound
- GBe1
- Outcome
- osmolalitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“Furthermore, increased GB as well as Na+ and Cl- contents resulted in a increase of osmolality, which can help to overcome NaCl stress”
Claim · model-written summary
Under severe NaCl stress, NaCl treatment did not induce photochemical inhibition of fluorescence in the leaves.
- Taxon
- Beta vulgarisBeta vulgarise0
- Treatment
- NaCl treatmente1
- Outcome
- photochemical inhibition on fluorescencee1
- Direction
- no_changeinferrede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“under severe NaCl stress conditions, NaCl treatment did not induce photochemical inhibition on fluorescence in the leaves of B. vulgaris”
Claim · model-written summary
Reduced chlorophyll contents were related to a decrease in leaf production.
- Taxon
- Beta vulgarisBeta vulgarise0
- Compound
- chlorophylle1
- Outcome
- leaf productione1
- Direction
- decreasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“investigate the effect of salt stress on physiological characteristics such as plant growth, photosynthesis, solutes related to osmoregulation of Beta vulgaris”
e1“the reduction of chlorophyll contents was related in a decrease in leaf production”
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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.