Abstract
Salinity is one of the major environmental stresses that limit plant growth and productivity. Glasswort (Salicornia herbacea L.) is one of the native halophytic plants of Iran that widely spread in salt areas. The purpose of this study was to determine the physiological and growth responses of S. herbacea to salinity stress. Plastic pods (15 cm diameter, 20 cm height) with the Silica sand bed were used for the experiment. The solution used for the study consisted of 0 (control), 100, 200, 300, 400, 500 mM of NaCl and Na2SO4. S .herbacea seeds cultivated at five pots for each treatment in green house condition. Plants were irrigated with half strength Hoagland?s nutrient solution for 6 months. Salt treatments were applied for 45 days. Shoot and root dry weights, proline, glucose, ion concentration, Osmotic Potential (OP), Relative Water Capacity (RWC), Water Use Efficiency (WUE) ?Net Assimilation Rate (NAR), Specific Leaf Area (SLA) and Leaf Area Ratio (LAR) were measured. Data analysis showed that Mg 2+, Ca+2 and K+ decreased when salinity increased but Na+ increased. CL- increased when NaCl increased but significantly inhibited at higher Na2SO4. Dry weight, WUE, SLA, NAR and LAR increased in up to 100 to 300 mM NaCl and Na2SO4 but decreased with a further increase in salinity. S. herbacea uptakes more ions in chloride soil than that of sulfate soil. WUE, NAR and dry weight are more at sulfate soil. It is also assumed that salt tolerance mechanism of S. herbacea changes at different salts. Measurement of osmotic potential showed that it did not significantly increased when salinity increased. In addition, glucose did not promote up to 400 mM. Therefore, S. herbacea L. is a high tolerant halophyte which grows well up to 500 mM of NaCl and Na2SO4 salt. Salinity enhances the growth of S. herbacea and its optimum growth occurs at 100 ? 300 mM. Proline, glucose and osmotic potential remain unchanged at moderate salt concentrations. Also, it tolerates salinity via uptake of ions at NaCl and also ions repulsing and increasing WUE at Na2SO4. S. herbacea grows at sulfate better than chloride.
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Claims 17
Claim · model-written summary
Dry weight, WUE and SLA increased up to 100 to 300 mM NaCl and Na2SO4 compared with control.
- Taxon
- Salicornia herbacea
_01.jpg?width=60)
Salicornia europaeat0 - Treatment
- NaCl and Na2SO4e0
- Outcome
- Dry weight, WUE, SLAe0
- Direction
- increasede0
- Qualifier
- up to 100 to 300 mMe0
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_01.jpg?width=500)
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e0“Dry weight, WUE, SLA, NAR and LAR increased in up to 100 to 300 mM NaCl and Na2SO4 but decreased with a further increase in salinity”
e1“consisted of 0 (control), 100, 200, 300, 400, 500 mM of NaCl and Na2SO4”
Claim · model-written summary
NAR and LAR increased up to 100 to 300 mM NaCl and Na2SO4 compared with control.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- NaCl and Na2SO4e0
- Outcome
- NAR and LARe0
- Direction
- increasede0
- Qualifier
- up to 100 to 300 mMe0
- Comparator
- controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e0“Dry weight, WUE, SLA, NAR and LAR increased in up to 100 to 300 mM NaCl and Na2SO4 but decreased with a further increase in salinity”
e1“consisted of 0 (control), 100, 200, 300, 400, 500 mM of NaCl and Na2SO4”
Claim · model-written summary
Dry weight, WUE and SLA decreased with a further increase in salinity above 300 mM.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- NaCl and Na2SO4e0
- Outcome
- Dry weight, WUE, SLAe0
- Direction
- decreasede0
- Qualifier
- with a further increase in salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e0“Dry weight, WUE, SLA, NAR and LAR increased in up to 100 to 300 mM NaCl and Na2SO4 but decreased with a further increase in salinity”
Claim · model-written summary
NAR and LAR decreased with a further increase in salinity above 300 mM.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- NaCl and Na2SO4e0
- Outcome
- NAR and LARe0
- Direction
- decreasede0
- Qualifier
- with a further increase in salinitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e0“Dry weight, WUE, SLA, NAR and LAR increased in up to 100 to 300 mM NaCl and Na2SO4 but decreased with a further increase in salinity”
Claim · model-written summary
Mg2+, Ca2+ and K+ decreased as salinity increased.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- salinitye2
- Outcome
- Mg 2+, Ca+2 and K+e2
- Direction
- decreasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e2“Mg 2+, Ca+2 and K+ decreased when salinity increased but Na+ increased”
Claim · model-written summary
Na+ increased as salinity increased.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- salinitye2
- Outcome
- Na+e2
- Direction
- increasede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e2“Mg 2+, Ca+2 and K+ decreased when salinity increased but Na+ increased”
Claim · model-written summary
CL- increased when NaCl increased.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- NaCle3
- Outcome
- CL-e3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e3“CL- increased when NaCl increased but significantly inhibited at higher Na2SO4”
Claim · model-written summary
CL- was significantly inhibited at higher Na2SO4.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- Na2SO4e3
- Outcome
- CL-e3
- Direction
- inhibitede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e3“CL- increased when NaCl increased but significantly inhibited at higher Na2SO4”
Claim · model-written summary
S. herbacea took up more ions in chloride soil than in sulfate soil.
- Taxon
- S. herbaceaSalicornia europaeae4
- Treatment
- chloride soile4
- Outcome
- ionse4
- Direction
- moree4
- Comparator
- sulfate soile4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“S. herbacea uptakes more ions in chloride soil than that of sulfate soil”
Claim · model-written summary
WUE, NAR and dry weight were higher in sulfate soil.
- Taxon
- S. herbaceaSalicornia europaeae4
- Treatment
- sulfate soile5
- Outcome
- WUE, NAR and dry weighte5
- Direction
- moree5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“S. herbacea uptakes more ions in chloride soil than that of sulfate soil”
e5“WUE, NAR and dry weight are more at sulfate soil”
Claim · model-written summary
Osmotic potential did not significantly increase as salinity increased.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- salinitye6
- Outcome
- osmotic potentiale6
- Direction
- did not significantly increasede6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e6“Measurement of osmotic potential showed that it did not significantly increased when salinity increased”
Claim · model-written summary
Glucose did not increase up to 400 mM salinity.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Outcome
- glucosee7
- Qualifier
- did not promote up to 400 mMe7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e7“In addition, glucose did not promote up to 400 mM”
Claim · model-written summary
S. herbacea is a highly salt-tolerant halophyte that grows well up to 500 mM NaCl and Na2SO4.
- Taxon
- S. herbacea L.Salicornia europaeae7
- Outcome
- grows welle7
- Qualifier
- up to 500 mM of NaCl and Na2SO4e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“S. herbacea L. is a high tolerant halophyte which grows well up to 500 mM of NaCl and Na2SO4 salt”
Claim · model-written summary
Salinity enhances growth of S. herbacea, with optimum growth at 100 to 300 mM.
- Taxon
- S. herbaceaSalicornia europaeae0
- Treatment
- Salinitye0
- Outcome
- growthe0
- Direction
- enhancese0
- Value
- 100 ? 300 mMe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity enhances the growth of S. herbacea and its optimum growth occurs at 100 ? 300 mM”
Claim · model-written summary
Proline, glucose and osmotic potential remain unchanged at moderate salt concentrations.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Treatment
- moderate salt concentrationse1
- Outcome
- Proline, glucose and osmotic potentiale1
- Direction
- remain unchangede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e1“Proline, glucose and osmotic potential remain unchanged at moderate salt concentrations”
Claim · model-written summary
S. herbacea tolerates salinity via ion uptake at NaCl and via ion repulsion and increased WUE at Na2SO4.
- Taxon
- Salicornia herbaceaSalicornia europaeat0
- Outcome
- tolerates salinitye1
- Qualifier
- via uptake of ions at NaCl and also ions repulsing and increasing WUE at Na2SO4e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“glasswort (Salicornia herbacea L.)”
e1“it tolerates salinity via uptake of ions at NaCl and also ions repulsing and increasing WUE at Na2SO4”
Claim · model-written summary
S. herbacea grows better in sulfate than in chloride.
- Taxon
- S. herbaceaSalicornia europaeae0
- Treatment
- sulfatee0
- Outcome
- growse0
- Direction
- bettere0
- Comparator
- chloridee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S. herbacea grows at sulfate better than chloride”
The same questions in other papers
salinity · growth · Salicornia europaea (common glasswort)Positive and negative results
6 papers in the same direction as this paper · 3 in the opposite direction
- positive
- no effect
- negative
6 papers more in this group
See all 10 papers →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.