Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf water content relative to dry mass or organic matter began to decline during the late embryonal phase.

Taxon: Mesembryanthemum crystallinum L.Mesembryanthemum crystallinume0
Organ / stage: late embryonal phasee1
Outcome: water contente1
Direction: decreasee1

Verbatim

e0
“Mesembryanthemum crystallinum L.”
✓ located verbatim in the source · abstract, characters 292–324

e1
“Related to dry mass or organic matter (i.e. dry mass corrected for the mass of inorganic ions) water content started to decrease during the late embryonal phase of the life cycle.”
✓ located verbatim in the source · abstract, characters 550–729

Title

Influence of leaf water content on the C₃–CAM transition in Mesembryanthemum crystallinum

WERNER B. HERPPICH; MARGARETHA HERPPICH New Phytologist 1997. doi:10.1046/j.1469-8137.1997.00762.x

Other claims from this paper (14)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Rosemary relative leaf water content fell 22% under drought.

Taxon: rosemarySalvia rosmarinust1
Outcome: relative leaf water contente1
Value: 22%e0

Not reportedTreatmentComparatorDirection

Verbatim

e0
“compared with 22% in R. officinalis”
✓ located verbatim in the source · abstract, characters 503–538

t0
“two evergreen shrubs growing in Mediterranean field conditions”
✓ located verbatim in the source · title, characters 69–131

e1
“a 50% decrease in the relative leaf water content in L. stoechas”
✓ located verbatim in the source · abstract, characters 438–502

t1
“rosemary ( Rosmarinus officinalis )”
✓ located verbatim in the source · abstract, characters 181–216

Title

Diurnal variations of photosynthesis and dew absorption by leaves in two evergreen shrubs growing in Mediterranean field conditions

SERGI MUNNÉ‐BOSCH; SALVADOR NOGUÉS; LEONOR ALEGRE New Phytologist 1999. doi:10.1046/j.1469-8137.1999.00490.x

Other claims from this paper (12)

Intervention effect Withheld water decreased predawn shoot water potential similarly in both shrubs.
Intervention effect Lavender relative leaf water content fell 50% under drought.
Intervention effect CO2 assimilation fell about 75% in both drought-stressed shrubs.
Observation Lavender photosynthesis to stomatal conductance ratio was lower than rosemary, 35 versus 45.
Intervention effect Photosystem II quantum efficiency fell about 45% at midday in drought-stressed shrubs.
Observation Neither shrub suffered detectable drought damage to photosystem II.
Intervention effect Lavender carotenoid content per chlorophyll rose about 62% during water stress.
Intervention effect Rosemary carotenoid content per chlorophyll rose about 30% during water stress.
Observation Only lavender absorbed dew through leaves.
Intervention effect Six days of dew improved lavender relative leaf water content about 72%.
Intervention effect Six days of dew improved lavender shoot water potential by about 0.5 MPa.
Observation Lavender photosynthetic capacity did not recover until autumn rainfall.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased reduced glutathione content in pea nodules by 57% relative to well-watered plants.

Taxon: PeaLathyrus oleraceust0
Organ / stage: Nodulest0
Treatment: Droughte0
Outcome: glutathionee1
Direction: decreasee0
Value: 57%e1
Qualifier: reducede1
Comparator: well-waterede2

Verbatim

t0
“Pea Nodules Subjected to Water Stress”
✓ located verbatim in the source · title, characters 49–86

e0
“Drought also caused a decrease”
✓ located verbatim in the source · abstract, characters 535–565

e1
“reduced (57%) and oxidized (38%) glutathione”
✓ located verbatim in the source · abstract, characters 766–810

e2
“well-watered”
✓ located verbatim in the source · abstract, characters 278–290

Title

Antioxidant Defenses against Activated Oxygen in Pea Nodules Subjected to Water Stress

Y. Gogorcena; I. Iturbe-Ormaetxe; P. R. Escuredo; et al. PLANT PHYSIOLOGY 1995. doi:10.1104/pp.108.2.753

Other claims from this paper (16)

Intervention effect Water stress decreased leghemoglobin and total soluble protein in pea nodules by 30%, indicating senescence.
Intervention effect Drought decreased catalase activity by 25% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased ascorbate peroxidase activity by 18% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased dehydroascorbate reductase activity by 15% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased glutathione reductase activity by 31% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased superoxide dismutase activity by 30% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased ascorbate content in pea nodules by 59% relative to well-watered plants.
Intervention effect Drought decreased oxidized glutathione content in pea nodules by 38% relative to well-watered plants.
Intervention effect Drought decreased NAD+ and NADH contents in pea nodules by 43% relative to well-watered plants.
Intervention effect Drought decreased NADP+ content in pea nodules by 31% relative to well-watered plants.
Intervention effect Drought decreased NADPH content in pea nodules by 17% relative to well-watered plants.
Intervention effect Water stress caused a 2-fold increase in the content of catalytic Fe in pea nodules.
Intervention effect Water-stressed pea nodules had augmented levels of lipid peroxides, 2.4-fold.
Intervention effect Water-stressed pea nodules had augmented levels of oxidatively modified proteins, 1.4-fold.
Mechanism The authors suggest the decline in antioxidant capacity of pea nodules may result from a restricted NAD(P)H supply for the ascorbate-glutathione pathway and from Fe-catalyzed Fenton reactions of ascorbate and glutathione with activated oxygen.
Mechanism The authors suggest the increase in catalytic Fe would also explain the augmented lipid peroxides in water-stressed pea nodules.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased oxidized glutathione content in pea nodules by 38% relative to well-watered plants.

Taxon: PeaLathyrus oleraceust0
Organ / stage: Nodulest0
Treatment: Droughte0
Outcome: glutathionee1
Direction: decreasee0
Value: 38%e1
Qualifier: oxidizede1
Comparator: well-waterede2

Verbatim

t0
“Pea Nodules Subjected to Water Stress”
✓ located verbatim in the source · title, characters 49–86

e0
“Drought also caused a decrease”
✓ located verbatim in the source · abstract, characters 535–565

e1
“reduced (57%) and oxidized (38%) glutathione”
✓ located verbatim in the source · abstract, characters 766–810

e2
“well-watered”
✓ located verbatim in the source · abstract, characters 278–290

Title

Antioxidant Defenses against Activated Oxygen in Pea Nodules Subjected to Water Stress

Y. Gogorcena; I. Iturbe-Ormaetxe; P. R. Escuredo; et al. PLANT PHYSIOLOGY 1995. doi:10.1104/pp.108.2.753

Other claims from this paper (16)

Intervention effect Water stress decreased leghemoglobin and total soluble protein in pea nodules by 30%, indicating senescence.
Intervention effect Drought decreased catalase activity by 25% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased ascorbate peroxidase activity by 18% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased dehydroascorbate reductase activity by 15% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased glutathione reductase activity by 31% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased superoxide dismutase activity by 30% in pea nodules relative to well-watered plants.
Intervention effect Drought decreased ascorbate content in pea nodules by 59% relative to well-watered plants.
Intervention effect Drought decreased reduced glutathione content in pea nodules by 57% relative to well-watered plants.
Intervention effect Drought decreased NAD+ and NADH contents in pea nodules by 43% relative to well-watered plants.
Intervention effect Drought decreased NADP+ content in pea nodules by 31% relative to well-watered plants.
Intervention effect Drought decreased NADPH content in pea nodules by 17% relative to well-watered plants.
Intervention effect Water stress caused a 2-fold increase in the content of catalytic Fe in pea nodules.
Intervention effect Water-stressed pea nodules had augmented levels of lipid peroxides, 2.4-fold.
Intervention effect Water-stressed pea nodules had augmented levels of oxidatively modified proteins, 1.4-fold.
Mechanism The authors suggest the decline in antioxidant capacity of pea nodules may result from a restricted NAD(P)H supply for the ascorbate-glutathione pathway and from Fe-catalyzed Fenton reactions of ascorbate and glutathione with activated oxygen.
Mechanism The authors suggest the increase in catalytic Fe would also explain the augmented lipid peroxides in water-stressed pea nodules.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Relative water content decreased by 14% during the drying cycle.

Taxon: Ziziphus mauritianaZiziphus mauritianat0
Treatment: drying cyclee3
Outcome: relative water content (θ)e2
Direction: decreasee2
Value: 14%e2

Verbatim

t0
“The role of solute accumulation, osmotic adjustment and changes in cell wall elasticity in drought tolerance in Ziziphus mauritiana”
✓ located verbatim in the source · title, characters 0–131

e2
“pre-dawn leaf water (ψleaf) and osmotic (ψπ) potentials in droughted trees declined from −0.5 and −1.4 MPa to −1.7 and −2.2 MPa, respectively, for a decrease in relative water content (θ) of 14%”
✓ located verbatim in the source · abstract, characters 324–518

e3
“during a 13 d drying cycle”
✓ located verbatim in the source · abstract, characters 296–322

Title

The role of solute accumulation, osmotic adjustment and changes in cell wall elasticity in drought tolerance in Ziziphus mauritiana (Lamk.)

S. C. Clifford; S. K. Arndt; J. E. Corlett; et al. Journal of Experimental Botany 1998. doi:10.1093/jxb/49.323.967

Other claims from this paper (11)

Associationobservedoriginal resultmeasured

Claim · model-written summary

The decrease in gc was linear.

Taxon: beecht0
Outcome: gce0
Direction: decreasee0

Not reportedTreatment

Verbatim

e0
“decrease in gc was linear”
✓ located verbatim in the source · abstract, characters 800–825

t0
“beech (Fagus sylvaticaL.)”
✓ located verbatim in the source · title, characters 46–71

Title

Humidity response of cuticular conductance of beech (Fagus sylvaticaL.) leaf discs maintained at high relative water content

S.P. Hoad; J. Grace; C.E. Jeffree Journal of Experimental Botany 1997. doi:10.1093/jxb/48.11.1969

Other claims from this paper (4)

Association Both gc and gMINsur fell approximately twofold as D rose from 0.4 to 2.0 kPa.
Association gMINsur declined more steeply at 0.4-0.95 kPa than at 0.95-2.0 kPa.
Observation gc responded within 60 minutes similarly to increasing and decreasing D.
Association gMINsur responded more slowly to increasing than to decreasing D.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced water potential.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: water potentiale0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increased salinity resulted in a significant decrease in shoot and root biomass, relative water content and water potential.”
✓ located verbatim in the source · abstract, characters 395–519

t0
“alfalfa”
✓ located verbatim in the source · title, characters 75–82

Title

Effects of salinity and nitrogen source on growth and nitrogen fixation in alfalfa

Rachid Serraj; Jean‐Jacques Drevon Journal of Plant Nutrition 1998. doi:10.1080/01904169809365525

Other claims from this paper (10)

Intervention effect Increasing salinity significantly reduced alfalfa shoot biomass.
Intervention effect Increasing salinity significantly reduced alfalfa root biomass.
Intervention effect Increasing salinity significantly reduced relative water content.
Observation Salt inhibited shoot growth more than root biomass.
Intervention effect Nitrate-fed plants were slightly less affected by salt than nitrogen-fixing plants.
Intervention effect Salt substantially inhibited nitrogenase activity.
Association Inhibition of nitrogenase activity was significantly correlated with inhibition of shoot growth.
Association Inhibition of nitrogenase activity was significantly correlated with total nitrogen contents.
Intervention effect Salt exposure significantly increased critical oxygen pressure of nodules.
Mechanism Salt decreased oxygen diffusion permeability of alfalfa nodules.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Extreme water stress reduced PSII oxygen evolution by about 50%.

Taxon: wheatTriticum aestivumt0
Treatment: extreme stress conditionse0
Outcome: O 2 evolutione0
Direction: reductione0
Value: ca 50%e0
Qualifier: 40% decrease in relative water content (RWC) or 1.8 MPa in water potential (Ψ)e0

Not reportedComparator

Verbatim

e0
“extreme stress conditions such as 40% decrease in relative water content (RWC) or 1.8 MPa in water potential (Ψ) caused ca 50% reduction in O 2 evolution”
✓ located verbatim in the source · abstract, characters 366–519

t0
“wheat leaves”
✓ located verbatim in the source · title, characters 94–106

Title

Effects of water stress on photochemical function and protein metabolism of photosystem II in wheat leaves

Jun Xian He; Jun Wang; Hou Guo Liang Physiologia Plantarum 1995. doi:10.1111/j.1399-3054.1995.tb05130.x

Other claims from this paper (7)

Intervention effect Mild leaf water deficit did not significantly affect PSII activity in wheat.
Intervention effect Extreme water stress inhibited PSII DCIP photoreduction by about 25%.
Intervention effect DPC did not reverse inhibited PSII DCIP photoreduction.
Mechanism Water stress was inferred not to affect electron donation to PSII.
Association Major PSII proteins, including D1 and D2, declined on a chlorophyll basis as water stress increased.
Intervention effect Water stress impaired the potential synthesis of chloroplast proteins from their mRNAs.
Mechanism Water-stress effects on PSII protein metabolism may explain damage to PSII photochemistry.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

aspirin increased leaf relative water content in salt-stressed wheat seedlings.

Taxon: wheat (Triticum aestivum L.)Triticum aestivumt0
Treatment: aspirine0
Outcome: leaf relative water contente0
Direction: increasede0
Qualifier: salt stress-inducede0

Not reportedComparator

Verbatim

e0
“The results showed that, salicylic acid and aspirin can relatively increased the leaf relative water content, decrease the leaf relative electronic conductivity and salt stress-induced injuries of plasma membrane, promote the activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD), and delay the accumulation of malon dialdehyde (MDA).”
✓ located verbatim in the source · abstract, characters 0–376

t0
“wheat (Triticum aestivum L.)”
✓ located verbatim in the source · title, characters 84–112

Title

Mitigative effects of salicylic acid and aspirin on salt stress-induced injuries in wheat (Triticum aestivum L.) during the stage of seedling growth

Zhang Shigong; Gao Jiyin; Song Jingzhi; et al. Xibei zhiwu xuebao 1998

Other claims from this paper (9)

Intervention effect salicylic acid increased leaf relative water content in salt-stressed wheat seedlings.
Intervention effect salicylic acid decrease leaf relative electronic conductivity in salt-stressed wheat seedlings.
Intervention effect salicylic acid decrease salt stress-induced injuries of plasma membrane in salt-stressed wheat seedlings.
Intervention effect salicylic acid promote activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD) in salt-stressed wheat seedlings.
Intervention effect salicylic acid delay accumulation of malon dialdehyde (MDA) in salt-stressed wheat seedlings.
Intervention effect aspirin decrease leaf relative electronic conductivity in salt-stressed wheat seedlings.
Intervention effect aspirin decrease salt stress-induced injuries of plasma membrane in salt-stressed wheat seedlings.
Intervention effect aspirin promote activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD) in salt-stressed wheat seedlings.
Intervention effect aspirin delay accumulation of malon dialdehyde (MDA) in salt-stressed wheat seedlings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

salicylic acid increased leaf relative water content in salt-stressed wheat seedlings.

Taxon: wheat (Triticum aestivum L.)Triticum aestivumt0
Treatment: salicylic acide0
Outcome: leaf relative water contente0
Direction: increasede0
Qualifier: salt stress-inducede0

Not reportedComparator

Verbatim

e0
“The results showed that, salicylic acid and aspirin can relatively increased the leaf relative water content, decrease the leaf relative electronic conductivity and salt stress-induced injuries of plasma membrane, promote the activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD), and delay the accumulation of malon dialdehyde (MDA).”
✓ located verbatim in the source · abstract, characters 0–376

t0
“wheat (Triticum aestivum L.)”
✓ located verbatim in the source · title, characters 84–112

Title

Mitigative effects of salicylic acid and aspirin on salt stress-induced injuries in wheat (Triticum aestivum L.) during the stage of seedling growth

Zhang Shigong; Gao Jiyin; Song Jingzhi; et al. Xibei zhiwu xuebao 1998

Other claims from this paper (9)

Intervention effect salicylic acid decrease leaf relative electronic conductivity in salt-stressed wheat seedlings.
Intervention effect salicylic acid decrease salt stress-induced injuries of plasma membrane in salt-stressed wheat seedlings.
Intervention effect salicylic acid promote activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD) in salt-stressed wheat seedlings.
Intervention effect salicylic acid delay accumulation of malon dialdehyde (MDA) in salt-stressed wheat seedlings.
Intervention effect aspirin increased leaf relative water content in salt-stressed wheat seedlings.
Intervention effect aspirin decrease leaf relative electronic conductivity in salt-stressed wheat seedlings.
Intervention effect aspirin decrease salt stress-induced injuries of plasma membrane in salt-stressed wheat seedlings.
Intervention effect aspirin promote activity of membrane protective enzymes such as superoxide dismutase (SOD) and peroxidase (POD) in salt-stressed wheat seedlings.
Intervention effect aspirin delay accumulation of malon dialdehyde (MDA) in salt-stressed wheat seedlings.

“decrease in relative water content”

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