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“decrease in relative water content”

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Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Increasing salinity significantly reduced relative water content.

Taxon: alfalfaMedicago sativat0
Treatment: Increased salinitye0
Outcome: relative water contente0
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 water potential.
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

Decreasing soil water potential during vegetative and flowering stages caused a higher decrease in relative water content in pigeon pea cv. ICPL-151 than in cv. H-77-216.

Taxon: pigeon peaCajanus cajant0
Material: cv. ICPL-151e1
Organ / stage: vegetative and flowering stagese1
Treatment: Decrease in soil water potentiale1
Outcome: relative water contente1
Direction: higher decreasee1
Comparator: cv. H-77-216e1

Verbatim

t0
“Response of pigeon pea cultivars to water stress”
✓ located verbatim in the source · title, characters 0–48

e1
“Decrease in soil water potential during vegetative and flowering stages of two cultivars of pipeon pea (Cajanus cajari) caused higher decrease in relative water content in cv. ICPL-151 than in cv. H-77-216”
✓ located verbatim in the source · abstract, characters 0–205

Title

Response of pigeon pea cultivars to water stress

A. S. Nandwal; S. Bharti; M. S. Kuhad; et al. Biologia Plantarum 1993. doi:10.1007/bf02928044

Other claims from this paper (3)

Observation Both pigeon pea cultivars showed partial recovery during rehydration.
Intervention effect Pigeon pea cv. H-77-216 accumulated more proline and carbohydrates than cv. ICPL-151 during water stress.
Intervention effect Pigeon pea cv. H-77-216 showed better drought tolerance than cv. ICPL-151.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Under drought, intact yam bean plants had a significant decrease in leaf-relative-water content.

Taxon: yam beant0
Treatment: intact plants (I+D)e0
Outcome: leaf-relative-water content (LRWC)e1
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
✓ located verbatim in the source · title, characters 47–90

e0
“a significant decrease was observed in the intact plants (I+D)”
✓ located verbatim in the source · abstract, characters 586–648

e1
“leaf-relative-water content (LRWC) was maintained in the pruned plants (P+D), a significant decrease was observed in the intact plants (I+D)”
✓ located verbatim in the source · abstract, characters 508–648

Title

Tuber-pod competition and drought responses in yam bean (Pachyrhizus ahipa (Wedd.) Parodi)

Ousmane Diouf; Harold Roy‐Macauley; Daniel Annerose Agritrop (Cirad) 1998

Other claims from this paper (4)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis decreased under moisture stress along with stomatal conductance and relative water content.

Outcome: photosynthesis (PN)e0
Direction: decreasee0
Qualifier: under stresse0

Not reportedTaxonOrgan / stage

Verbatim

e0
“The decrease in photosynthesis (PN) under stress was associated with a decrease in stomatal conductance (gs) and relative water content (RWC).”
✓ located verbatim in the source · abstract, characters 270–412

Title

Gas exchange and leaf water relations in two peanut cultivars of different drought tolerance

P. C. Nautiyal; V. Ravindra; Y. C. Joshi Biologia Plantarum 1995. doi:10.1007/bf02913981

Other claims from this paper (5)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Relative water content decreased slightly in water-stressed potato leaves.

Taxon: potatoSolanum tuberosumt0
Treatment: water stresst0
Outcome: relative water content (RWC)e0
Direction: slight decreasee0

Not reportedComparator

Verbatim

t0
“potato leaves induced by water stress”
✓ located verbatim in the source · title, characters 67–104

e0
“A slight decrease in relative water content (RWC) was accompanied by a drastic decline in leaf water potential (Ψw) from -0.2 to -1.0 MPa”
✓ located verbatim in the source · abstract, characters 367–504

Title

Changes in net photosynthetic rate and chlorophyll fluorescence in potato leaves induced by water stress

P.S. Basu; Ashoo Sharma; N.P. Sukumaran Photosynthetica 1998. doi:10.1023/a:1006801311105

Other claims from this paper (7)

Intervention effect Net photosynthetic rate (PN) at saturating irradiance decreased significantly in water-stressed potato plants.
Intervention effect Fv/Fm, relative electron transport rate and photochemical quenching declined in parallel at high irradiance under water stress.
Intervention effect Leaf water potential declined drastically from -0.2 to -1.0 MPa in water-stressed potato leaves.
Intervention effect Dehydrated potato leaves showed an increase in total soluble sugars per unit leaf area.
Mechanism The authors state that the accumulated soluble sugars inhibited photosynthesis in a feedback manner.
Intervention effect After rewatering, PN and Fv/Fm were restored to control values within 24 h.
Association After rewatering, the restoration was accompanied by a proportionate lowering of total soluble sugar content in the leaves.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lavender relative leaf water content fell 50% under drought.

Taxon: lavenderLavandula angustifoliat1
Outcome: relative leaf water contente0
Direction: decreasee0
Value: 50%e0

Not reportedTreatmentComparator

Verbatim

e0
“a 50% decrease in the relative leaf water content in L. stoechas”
✓ located verbatim in the source · abstract, characters 438–502

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

t1
“lavender ( Lavandula stoechas )”
✓ located verbatim in the source · abstract, characters 221–252

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 Rosemary relative leaf water content fell 22% 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

Root cooling lowered leaf relative water content by as much as 23%.

Taxon: Artemisia tridentataArtemisia tridentatat0
Treatment: root coolinge0
Outcome: leaf relative water contente0
Direction: decreasee0
Value: as much as 23%e0

Not reportedComparator

Verbatim

e0
“a concomitant decrease of as much as 23% in leaf relative water content (RWC) indicated that root cooling affected stomatal closure”
✓ located verbatim in the source · abstract, characters 1040–1171

t0
“Artemisia tridentata”
✓ located verbatim in the source · title, characters 44–64

Title

Effect of Root Cooling on Photosynthesis of Artemisia tridentata Seedlings under Different Light Levels

H. BassiriRad; M. M. Caldwell; K. A. Mott Botanica Acta 1993. doi:10.1111/j.1438-8677.1993.tb00744.x

Other claims from this paper (9)

Intervention effect Root cooling reduced whole-plant net photosynthesis by 25% at high light.
Intervention effect Root cooling reduced stomatal conductance by more than 50% before photosynthesis declined.
Intervention effect Root cooling reduced intercellular CO2 concentration by about 10% at high light.
Intervention effect Photosynthesis versus intercellular CO2 curves did not differ between cold and warm soil.
Intervention effect Stomatal conductance was lower at the lower soil temperature.
Mechanism The authors inferred that cooling limited photosynthesis through stomatal closure linked to lower water supply.
Intervention effect At lower light, root cooling did not decrease whole-plant photosynthesis.
Intervention effect At lower light, root cooling moderately reduced stomatal conductance, intercellular CO2 and relative water content.
Intervention effect Cold soil rapidly and substantially reduced root respiration at either light level.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nickel lowered water potential and relative water content in both cultivars, more strongly in Adamello.

Taxon: durum wheatTriticum turgidum subsp. durumt0
Material: ‘Adamello’ [drought sensitive (DS)] and ‘Ofanto’ [drought tolerant, (DT)]e1
Treatment: Nickele0
Outcome: water potential (ψw) and relative water content (RWC)e0
Direction: decreasee0
Qualifier: greater in the DS cultivare0

Not reportedComparator

Verbatim

e0
“Nickel caused a decrease in the water potential (ψw) and relative water content (RWC) in both cultivars, but these decreases were greater in the DS cultivar.”
✓ located verbatim in the source · abstract, characters 846–1003

e1
“‘Adamello’ [drought sensitive (DS)] and ‘Ofanto’ [drought tolerant, (DT)]”
✓ located verbatim in the source · abstract, characters 195–268

t0
“durum wheat”
✓ located verbatim in the source · title, characters 23–34

Title

Nickel toxicity in two durum wheat cultivars differing in drought sensitivity

T. Pandolfini; R. Gabbrielli; M. Ciscato Journal of Plant Nutrition 1996. doi:10.1080/01904169609365225

Other claims from this paper (7)

Observation Ofanto seedlings had 3.5 times the root nickel concentration of Adamello at 35 μM Ni.
Observation Ofanto maintained better growth and nutritional status than Adamello despite more tissue nickel.
Intervention effect Nickel reduced both chlorophyll a and b in the drought-sensitive cultivar.
Intervention effect Nickel decreased chlorophyll a in Ofanto, less than in Adamello.
Intervention effect Nickel level did not alter chlorophyll b in Ofanto.
Intervention effect Nickel increased three antioxidative enzyme activities in Adamello seedlings.
Intervention effect The same enzyme activity increase was absent in Ofanto seedlings.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased ascorbate content in pea nodules by 59% relative to well-watered plants.

Taxon: PeaLathyrus oleraceust0
Organ / stage: Nodulest0
Treatment: Droughte0
Outcome: ascorbatee1
Direction: decreasee0
Value: 59%e1
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
“ascorbate (59%)”
✓ located verbatim in the source · abstract, characters 749–764

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 reduced glutathione content in pea nodules by 57% 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 NADP+ content in pea nodules by 31% relative to well-watered plants.

Taxon: PeaLathyrus oleraceust0
Organ / stage: Nodulest0
Treatment: Droughte0
Outcome: NADP+e1
Direction: decreasee0
Value: 31%e1
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
“NADP+ (31%)”
✓ located verbatim in the source · abstract, characters 833–844

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 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 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.

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“decrease in relative water content”

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