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“decrease in relative water content”

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Organism: Lolium perenne ✕

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt reduced relative water content, transpiration rate, and chlorophyll content.

Taxon: perennial ryegrassLolium perennee2
Treatment: Salinitye1
Outcome: relative water content (RWC), relative transpiration rate (Tr), and chlorophyll (Chl) contente0
Direction: decreasee1
Comparator: 0e3

Verbatim

e0
“relative water content (RWC), relative transpiration rate (Tr), and chlorophyll (Chl) content”
✓ located verbatim in the source · abstract, characters 455–548

e1
“Salinity resulted in a remarkable decrease”
✓ located verbatim in the source · abstract, characters 345–387

e2
“perennial ryegrass ( Lolium perenne )”
✓ located verbatim in the source · abstract, characters 196–233

e3
“two salinity levels (0 and 250 m m NaCl)”
✓ located verbatim in the source · abstract, characters 262–302

Title

Exogenous Glycine Betaine Ameliorates the Adverse Effect of Salt Stress on Perennial Ryegrass

Longxing Hu; Tao Hu; Xunzhong Zhang; et al. Journal of the American Society for Horticultural Science 2012. doi:10.21273/jashs.137.1.38

Other claims from this paper (12)

Intervention effect Salt reduced shoot growth and shoot and root fresh weight.
Intervention effect Salt reduced SOD, CAT, and APX activities.
Intervention effect Salt increased electrolyte leakage, lipid peroxidation, and proline content.
Intervention effect GB reduced electrolyte leakage, lipid peroxidation, and proline content in salt-stressed plants.
Intervention effect GB raised shoot growth rate, water content, and relative transpiration under salt stress.
Intervention effect GB raised chlorophyll content and SOD, CAT, and APX activity under salt stress.
Intervention effect Salt raised Na content and the Na/K ratio.
Intervention effect Salt decreased K content.
Intervention effect Under saline conditions, 20 m m GB suppressed Na accumulation.
Intervention effect Under saline conditions, 20 m m GB significantly increased shoot K content.
Intervention effect Under saline conditions, GB raised the K/Na ratio.
Mechanism The authors attribute GB-enhanced salt tolerance mainly to antioxidant activity, less membrane damage, and improved ion balance.

Intervention effectobservedoriginal resultpositivemeasured

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

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 malondial…” Show full quote
✓ located verbatim in the source · abstract, characters 523–968

Title

Effect of exogenous salicylic acid on salt tolerance in perennial ryegrass

Dong Hu Beijing Linye Daxue xuebao 2015

Other claims from this paper (12)

Intervention effect 0. 25 mmol/L salicylic acid improved turf quality, root length and root activity under salt stress.
Intervention effect 0. 25 mmol/L salicylic acid raised photosynthetic rate, stomatal conductance and leaf water content under salt stress.
Intervention effect 0. 25 mmol/L salicylic acid increased chlorophyll and proline and reduced electrolyte leakage and malondialdehyde under salt stress.
Intervention effect 0. 50 mmol/L salicylic acid improved turf quality, root length and root activity under salt stress.
Intervention effect 0. 50 mmol/L salicylic acid raised photosynthetic rate, stomatal conductance and leaf water content under salt stress.
Intervention effect 0. 50 mmol/L salicylic acid increased chlorophyll and proline and reduced electrolyte leakage and malondialdehyde under salt stress.
Intervention effect One mmol/L salicylic acid reduced turf quality, photosynthetic rate and stomatal conductance.
Intervention effect One mmol/L salicylic acid reduced chlorophyll and proline content.
Intervention effect One mmol/L salicylic acid increased electrolyte leakage and leaf malondialdehyde.
Intervention effect At one mmol/L, salicylic acid had no significant effect on relative water content, root length or root activity.
Observation The authors concluded that 0.25 mmol/L salicylic acid promoted salt tolerance more than 0.50 mmol/L.
Observation The authors concluded that 1.00 mmol/L salicylic acid inhibited salt tolerance.

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