Abstract
The adverse effects of salinity and PEG-induced water stress on growth of Matricaria chamomilla were assessed at the germination stage using osmotic solution of NaCl (0, -0.175. -0.358, -0.541, -0.716 MPa), and polyethylene glycol (PEG 6000) (0, -0.05, -0.1, -0.2, -0.3 MPa), respectively. Effect of NaCl salinity stress (0, 40, 80, 120 and 190 mM NaCI) at early growth stage of chamomile was also studied. The levels of NaCl and PEG-induced water stress were determined in first experiment. Both seed germination rate and seedling growth reduced with increasing osmotic potential of growth medium either due to NaCl or due to PEG. However, PEG-induced osmotic stress caused more growth inhibition compared with NaCl-induced osmotic stress. Seeds were not germinated at -0.8 MPa of NaCI and -0.4 MPa of PEG. In conclusion, adverse effects of salt stress on germination and early growth of chamomile is due to Na+ accumulation in addition to its osmotic stre ss.
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Claims 6
Claim · model-written summary
NaCl stress reduced Matricaria chamomilla germination and seedling growth as osmotic potential increased.
- Taxon
- Matricaria chamomilla
Matricaria chamomillae1 - Treatment
- NaCle0
- Outcome
- seed germination rate and seedling growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both seed germination rate and seedling growth reduced with increasing osmotic potential of growth medium either due to NaCl or due to PEG.”
e1“growth of Matricaria chamomilla”
Claim · model-written summary
PEG stress reduced Matricaria chamomilla germination and seedling growth as osmotic potential increased.
- Taxon
- Matricaria chamomillaMatricaria chamomillae1
- Treatment
- PEGe0
- Outcome
- seed germination rate and seedling growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both seed germination rate and seedling growth reduced with increasing osmotic potential of growth medium either due to NaCl or due to PEG.”
e1“growth of Matricaria chamomilla”
Claim · model-written summary
PEG osmotic stress inhibited Matricaria chamomilla growth more than NaCl osmotic stress.
- Taxon
- Matricaria chamomillaMatricaria chamomillae1
- Treatment
- PEG-induced osmotic stresse0
- Outcome
- growth inhibitione0
- Direction
- moree0
- Comparator
- NaCl-induced osmotic stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PEG-induced osmotic stress caused more growth inhibition compared with NaCl-induced osmotic stress.”
e1“growth of Matricaria chamomilla”
Claim · model-written summary
Matricaria chamomilla seeds did not germinate at -0.8 MPa NaCl.
- Taxon
- Matricaria chamomillaMatricaria chamomillae1
- Treatment
- -0.8 MPa of NaCIe0
- Outcome
- Seeds were not germinatede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds were not germinated at -0.8 MPa of NaCI”
e1“growth of Matricaria chamomilla”
Claim · model-written summary
Matricaria chamomilla seeds did not germinate at -0.4 MPa PEG.
- Taxon
- Matricaria chamomillaMatricaria chamomillae1
- Treatment
- -0.4 MPa of PEGe0
- Outcome
- Seeds were not germinatede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds were not germinated at -0.8 MPa of NaCI and -0.4 MPa of PEG.”
e1“growth of Matricaria chamomilla”
Claim · model-written summary
The authors attributed adverse NaCl effects on chamomile germination and early growth to Na+ accumulation as well as osmotic stress.
- Taxon
- Matricaria chamomillaMatricaria chamomillae1
- Compound
- Na+e0
- Outcome
- germination and early growthe0
- Qualifier
- osmotic stre sse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“adverse effects of salt stress on germination and early growth of chamomile is due to Na+ accumulation in addition to its osmotic stre ss.”
e1“growth of Matricaria chamomilla”
The same questions in other papers
sodium chloride · growth · Matricaria chamomillaResults agree
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- negative
- negative
drought · growth · Matricaria chamomillaResults agree
1 paper in the same direction as this paper
- 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.