Abstract
Exogenous application of salicylic acid may improve tolerance to salinity. To investigate whether exogenous salicylic acid application had similar protective effects when applied as a priming agent or concomitantly with NaCl, tomato seedlings primed or not with 10 µM salicylic acid were further treated with 125 mM NaCl, 10 µM salicylic acid or combined treatments. Both priming and concomitant application of salicylic acid increased plant growth of salt-stressed plants but their positive impact was not additive. The endogenous salicylic acid concentration increased in the leaves after concomitant application but not in response to priming, suggesting that salicylic acid accumulated during priming was metabolized subsequently. Priming increased Na+ and K+ accumulation in leaves of salt-treated plants while concomitant application had no impact on shoot Na+ and K+ accumulation. Both priming and concomitant salicylic acid decreased osmotic potential values in salt-treated plants. Carbon isotope discrimination showed that combination of both salicylic acid application methods were required to maintain a good water use efficiency in salt-treated plants. Our work demonstrated that both procedures of salicylic acid application have positive impact on salt resistance but that the underlying properties sustaining these adaptations differ according to application methods.
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Claims 8
Claim · model-written summary
Both salicylic acid priming and concomitant application increased growth of salt-stressed tomato, without an additive combined effect.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- priming and concomitant application of salicylic acide0
- Outcome
- plant growthe0
- Direction
- increasede0
- Qualifier
- their positive impact was not additivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both priming and concomitant application of salicylic acid increased plant growth of salt-stressed plants but their positive impact was not additive.”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Concomitant salicylic acid increased endogenous salicylic acid in leaves.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- leavese0
- Treatment
- concomitant applicatione0
- Outcome
- endogenous salicylic acid concentratione0
- Direction
- increasede0
- Comparator
- priminge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The endogenous salicylic acid concentration increased in the leaves after concomitant application but not in response to priming”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Priming did not increase leaf endogenous salicylic acid concentration.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- leavese0
- Treatment
- priminge0
- Outcome
- endogenous salicylic acid concentratione0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The endogenous salicylic acid concentration increased in the leaves after concomitant application but not in response to priming”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Priming increased leaf Na+ accumulation in salt-treated plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- leavese0
- Treatment
- Priminge0
- Outcome
- Na+e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming increased Na+ and K+ accumulation in leaves of salt-treated plants while concomitant application had no impact on shoot Na+ and K+ accumulation.”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Priming increased leaf K+ accumulation in salt-treated plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- leavese0
- Treatment
- Priminge0
- Outcome
- K+ accumulatione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming increased Na+ and K+ accumulation in leaves of salt-treated plants while concomitant application had no impact on shoot Na+ and K+ accumulation.”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Concomitant salicylic acid had no impact on shoot Na+ and K+ accumulation in salt-treated plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- concomitant applicatione0
- Outcome
- shoot Na+ and K+ accumulatione0
- Direction
- no impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“concomitant application had no impact on shoot Na+ and K+ accumulation”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Both salicylic acid application modes decreased osmotic potential values in salt-treated plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- Both priming and concomitant salicylic acide0
- Outcome
- osmotic potential valuese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both priming and concomitant salicylic acid decreased osmotic potential values in salt-treated plants.”
t0“tomato (Solanum lycopersicum)”
Claim · model-written summary
Combining the salicylic acid application methods maintained good water use efficiency under salt treatment.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- combination of both salicylic acid application methodse0
- Outcome
- water use efficiencye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combination of both salicylic acid application methods were required to maintain a good water use efficiency in salt-treated plants”
t0“tomato (Solanum lycopersicum)”
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See all 131 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.