Abstract
Abstract Tomato seedlings (Lycopersicon esculentum Mill, cv Chibli F1) were subjected to different NaCl treatments (0, 25, 50 and 100 mM) during 10 days. Under low salinity (25 mM NaCl), tomato preserved a normal growth activity, associated with maintain of the tissues water status and a high selectivity for K+ over Na+. Under high salinity (50 and 100 mM), endogenous Na+ and CI− accumulations were contradicted by a decrease of K+ and NO3 − contents. Our results support the existence of a competition between K+/Na+ and NO3 −CI− at the level of uptake and storage process. The high salt stress (50 and 100 mM) emphasized a typical glycophytic behavior; displaying i) a severe decline in plant growth activity, ii) the low Na+ amounts compared to CI− in the leaves, make an evidence for Na+ extrusion from the leaves to the stems-petioles and roots, and iii) an inaptitude to use Na+ instead of K+ to carry out osmotic adjustments at high salinity (100 mM NaCl).
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Claims 9
Claim · model-written summary
Low salinity (25 mM NaCl) preserved normal growth activity in tomato seedlings.
- Taxon
- Tomato
Solanum lycopersicumt0 - Material
- cv Chibli F1e0
- Treatment
- 25 mM NaCle1
- Outcome
- normal growth activitye1
- Direction
- preservede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e0“Tomato seedlings (Lycopersicon esculentum Mill, cv Chibli F1) were subjected to different NaCl treatments (0, 25, 50 and 100 mM) during 10 days”
e1“Under low salinity (25 mM NaCl), tomato preserved a normal growth activity, associated with maintain of the tissues water status and a high selectivity for K+ over Na+”
Claim · model-written summary
Low salinity (25 mM NaCl) maintained tissue water status in tomato seedlings.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- 25 mM NaCle1
- Outcome
- tissues water statuse1
- Direction
- maintaine1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e1“Under low salinity (25 mM NaCl), tomato preserved a normal growth activity, associated with maintain of the tissues water status and a high selectivity for K+ over Na+”
Claim · model-written summary
Low salinity (25 mM NaCl) gave tomato seedlings a high selectivity for K+ over Na+.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- 25 mM NaCle1
- Outcome
- selectivity for K+ over Na+e1
- Direction
- highe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e1“Under low salinity (25 mM NaCl), tomato preserved a normal growth activity, associated with maintain of the tissues water status and a high selectivity for K+ over Na+”
Claim · model-written summary
High salinity (50 and 100 mM NaCl) decreased K+ and NO3- contents in tomato seedlings.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- high salinity (50 and 100 mM)e2
- Outcome
- K+ and NO3 − contentse2
- Direction
- decreasee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e2“Under high salinity (50 and 100 mM), endogenous Na+ and CI− accumulations were contradicted by a decrease of K+ and NO3 − contents”
Claim · model-written summary
High salinity (50 and 100 mM NaCl) increased endogenous Na+ and Cl- accumulation in tomato seedlings.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- high salinity (50 and 100 mM)e2
- Outcome
- endogenous Na+ and CI− accumulationse2
- Direction
- increaseinferrede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e2“Under high salinity (50 and 100 mM), endogenous Na+ and CI− accumulations were contradicted by a decrease of K+ and NO3 − contents”
Claim · model-written summary
Competition between K+/Na+ and NO3-/Cl- at uptake and storage may explain the salinity responses of tomato.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- competition between K+/Na+ and NO3 −CI−e3
- Qualifier
- at the level of uptake and storage processe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e3“Our results support the existence of a competition between K+/Na+ and NO3 −CI− at the level of uptake and storage process”
Claim · model-written summary
High salt stress (50 and 100 mM NaCl) caused a severe decline in growth activity of tomato seedlings.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- high salt stress (50 and 100 mM)e4
- Outcome
- plant growth activitye4
- Direction
- severe declinee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e4“The high salt stress (50 and 100 mM) emphasized a typical glycophytic behavior; displaying i) a severe decline in plant growth activity, ii) the low Na+ amounts compared to CI− in the leaves, make an evidence for Na+ extrusion from the leaves to the stems-petioles and roots, and iii) an inaptitude to use Na+ instead of K+ to carry out osmotic adjustments at high salinity (100 mM NaCl)”
Claim · model-written summary
Na+ extrusion from the leaves to stems-petioles and roots may explain the low leaf Na+ in tomato under salt stress.
- Taxon
- TomatoSolanum lycopersicumt0
- Outcome
- Na+ extrusion from the leaves to the stems-petioles and rootse4
- Qualifier
- the low Na+ amounts compared to CI− in the leavese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e4“The high salt stress (50 and 100 mM) emphasized a typical glycophytic behavior; displaying i) a severe decline in plant growth activity, ii) the low Na+ amounts compared to CI− in the leaves, make an evidence for Na+ extrusion from the leaves to the stems-petioles and roots, and iii) an inaptitude to use Na+ instead of K+ to carry out osmotic adjustments at high salinity (100 mM NaCl)”
Claim · model-written summary
Tomato seedlings were unable to use Na+ instead of K+ for osmotic adjustment at high salinity (100 mM NaCl).
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- high salinity (100 mM NaCl)e4
- Outcome
- an inaptitude to use Na+ instead of K+ to carry out osmotic adjustmentse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“NaCl effects growth, ions and water status of Tomato (Lycopersicon esculentum) seedlings”
e4“The high salt stress (50 and 100 mM) emphasized a typical glycophytic behavior; displaying i) a severe decline in plant growth activity, ii) the low Na+ amounts compared to CI− in the leaves, make an evidence for Na+ extrusion from the leaves to the stems-petioles and roots, and iii) an inaptitude to use Na+ instead of K+ to carry out osmotic adjustments at high salinity (100 mM NaCl)”
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