Abstract
Salicylic acid( SA) has an important regulatory effect on plant growth and resistance physiology under salt-stress conditions. The purpose of this study was to explore the effect of salicylic acid on salt tolerance in perennial ryegrass( Lolium perenne). Under hydroponic conditions,split-plot design was adopted( salicylic acid was used for the main treatment with four levels of 0,0. 25,0. 50 and 1. 00 mmol / L; Na Cl stress was used for the sub-treatment with two levels of 0 and 250 mmol / L). The results showed that both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves. However,the salicylic acid treatment at 1 mmol / L had an inhibiting effect on salt tolerance of perennial ryegrass: it decreased the turf visual quality,photosynthetic rate, stomatal conductance, total chlorophyll content and the proline content, and increased the electrolyte leakage and malondialdehyde( MDA) content of leaves. But it had no significant effects on relative water content,root length and root activity( P 0. 05). By evaluating the influence of salicylic acid at three concentrations on salt tolerance of perennial ryegrass,we reached the conclusion that 0. 25 and 0. 50 mmol / L salicylic acid promoted the salt tolerance of perennial ryegrass with the former having better effects,but 1. 00 mmol / L salicylic acid,on the contrary,inhibited its salt tolerance.
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Claims 13
Claim · model-written summary
0. 25 mmol/L salicylic acid improved turf quality, root length and root activity under salt stress.
- Taxon
- perennial ryegrass
Lolium perennee0 - Treatment
- 0. 25e0
- Outcome
- turf visual quality,total root length,root activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
0. 25 mmol/L salicylic acid raised photosynthetic rate, stomatal conductance and leaf water content under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 25e0
- Outcome
- photosynthetic rate,stomatal conductance,leaf relative water contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
0. 25 mmol/L salicylic acid increased chlorophyll and proline and reduced electrolyte leakage and malondialdehyde under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 25e0
- Outcome
- total chlorophyll content and the proline contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
0. 50 mmol/L salicylic acid improved turf quality, root length and root activity under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 50 mmol / L levels of salicylic acide0
- Outcome
- turf visual quality,total root length,root activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
0. 50 mmol/L salicylic acid raised photosynthetic rate, stomatal conductance and leaf water content under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 50 mmol / L levels of salicylic acide0
- Outcome
- photosynthetic rate,stomatal conductance,leaf relative water contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
0. 50 mmol/L salicylic acid increased chlorophyll and proline and reduced electrolyte leakage and malondialdehyde under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 50 mmol / L levels of salicylic acide0
- Outcome
- total chlorophyll content and the proline contente0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
Low-dose salicylic acid decreased electrolyte leakage and leaf malondialdehyde under salt stress.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 25 and 0. 50 mmol / L levels of salicylic acide0
- Outcome
- electrolyte leakage and malondialdehyde content of leavese0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both 0. 25 and 0. 50 mmol / L levels of salicylic acid could improve the salt tolerance of perennial ryegrass under salt-stress conditions,in that they significantly increase the turf visual quality,total root length,root activity( P 0. 05),photosynthetic rate,stomatal conductance,leaf relative water content,total chlorophyll content and the proline content( P 0. 05),and decrease the electrolyte leakage and malondialdehyde content of leaves.”
Claim · model-written summary
One mmol/L salicylic acid reduced turf quality, photosynthetic rate and stomatal conductance.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 1 mmol / Le0
- Outcome
- turf visual quality,photosynthetic rate, stomatal conductancee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the salicylic acid treatment at 1 mmol / L had an inhibiting effect on salt tolerance of perennial ryegrass: it decreased the turf visual quality,photosynthetic rate, stomatal conductance, total chlorophyll content and the proline content, and increased the electrolyte leakage and malondialdehyde( MDA) content of leaves.”
Claim · model-written summary
One mmol/L salicylic acid reduced chlorophyll and proline content.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 1 mmol / Le0
- Outcome
- total chlorophyll content and the proline contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the salicylic acid treatment at 1 mmol / L had an inhibiting effect on salt tolerance of perennial ryegrass: it decreased the turf visual quality,photosynthetic rate, stomatal conductance, total chlorophyll content and the proline content, and increased the electrolyte leakage and malondialdehyde( MDA) content of leaves.”
Claim · model-written summary
One mmol/L salicylic acid increased electrolyte leakage and leaf malondialdehyde.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 1 mmol / Le0
- Outcome
- electrolyte leakage and malondialdehyde( MDA) content of leavese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the salicylic acid treatment at 1 mmol / L had an inhibiting effect on salt tolerance of perennial ryegrass: it decreased the turf visual quality,photosynthetic rate, stomatal conductance, total chlorophyll content and the proline content, and increased the electrolyte leakage and malondialdehyde( MDA) content of leaves.”
Claim · model-written summary
At one mmol/L, salicylic acid had no significant effect on relative water content, root length or root activity.
- Taxon
- perennial ryegrassLolium perennee1
- Treatment
- 1 mmol / Le1
- Outcome
- relative water content,root length and root activitye0
- Direction
- no significant effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“But it had no significant effects on relative water content,root length and root activity( P 0. 05).”
e1“the salicylic acid treatment at 1 mmol / L had an inhibiting effect on salt tolerance of perennial ryegrass: it decreased the turf visual quality,photosynthetic rate, stomatal conductance, total chlorophyll content and the proline content, and increased the electrolyte leakage and malondialdehyde( MDA) content of leaves.”
Claim · model-written summary
The authors concluded that 0.25 mmol/L salicylic acid promoted salt tolerance more than 0.50 mmol/L.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 0. 25 and 0. 50 mmol / L salicylic acide0
- Outcome
- salt tolerancee0
- Direction
- better effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0. 25 and 0. 50 mmol / L salicylic acid promoted the salt tolerance of perennial ryegrass with the former having better effects,but 1. 00 mmol / L salicylic acid,on the contrary,inhibited its salt tolerance.”
Claim · model-written summary
The authors concluded that 1.00 mmol/L salicylic acid inhibited salt tolerance.
- Taxon
- perennial ryegrassLolium perennee0
- Treatment
- 1. 00 mmol / L salicylic acide0
- Outcome
- salt tolerancee0
- Direction
- inhibitede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“0. 25 and 0. 50 mmol / L salicylic acid promoted the salt tolerance of perennial ryegrass with the former having better effects,but 1. 00 mmol / L salicylic acid,on the contrary,inhibited its salt tolerance.”
The same questions in other papers
salicylic acid · physiology: pigments · Lolium perenne (perennial ryegrass)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
salicylic acid · physiology: oxidative · Lolium perenne (perennial ryegrass)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
salicylic acid · quality: general · Lolium perenne (perennial ryegrass)Results agree
1 paper in the same direction as this paper
- positive
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.