Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Free proline and chlorophyll contents in pine needles fell in line with the decrease in needle relative water content.

Taxon: Pinus massonianaPinus massonianae0
Organ / stage: needlese5
Outcome: contents of free proline and chlorophylle5
Direction: reductione5
Qualifier: consistent with the decrease of the relative water content in the needlese5

Verbatim

e0
“pine (Pinus massoniana) were inoculated with pine wood nematode(PWN)”
✓ located verbatim in the source · abstract, characters 51–119

e5
“The reduction of contents of free proline and chlorophyll was consistent with the decrease of the relative water content in the needles”
✓ located verbatim in the source · abstract, characters 802–937

Title

Effects of pine wood nematode(PWN) infection on water regime and metabolism of related to hosts

Yuhui Chen Acta Phytopathologica Sinica 2005

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Waterlogging caused wheat relative water content of flag leaf to decrease.

Taxon: WheatTriticum aestivumt0
Treatment: waterlogginge0
Outcome: relative water content of flag leafe0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Results showed waterlogging made the content of malondialdehyde in flag leaf increase, made the root vigor, the content of chlorophyll, the net photosynthesis rate, the nitrate reductase activity, the relative water content of flag leaf decrease, the content of organic matter change obviously, and then the yield per plant declined.”
✓ located verbatim in the source · abstract, characters 183–516

t0
“Changes of Physiological Characters of Wheat After Water logging at Booting and Relations Between Physiological Characters and Waterlogging Tolerance”
✓ located verbatim in the source · title, characters 0–149

Title

Changes of Physiological Characters of Wheat After Water logging at Booting and Relations Between Physiological Characters and Waterlogging Tolerance

Guangsheng Zhou 中国农业科学(英文版) 2002

Other claims from this paper (8)

Intervention effect Waterlogging caused wheat content of malondialdehyde in flag leaf to increase.
Intervention effect Waterlogging caused wheat root vigor to decrease.
Intervention effect Waterlogging caused wheat content of chlorophyll to decrease.
Intervention effect Waterlogging caused wheat net photosynthesis rate to decrease.
Intervention effect Waterlogging caused wheat nitrate reductase activity to decrease.
Intervention effect Waterlogging caused wheat content of organic matter to change obviously.
Intervention effect Waterlogging caused wheat yield per plant to declined.
Association Several physiological traits were significantly correlated with wheat waterlogging tolerance.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Above a relative-water-content threshold, a slight decline in water content sharply reduced stomatal conductance.

Taxon: soybeanGlycine maxt0
Outcome: g se0
Direction: reductione0
Qualifier: above which a slight decrease in RWCe0

Not reportedOrgan / stage

Verbatim

e0
“a threshold of relative water content (RWC) was found, above which a slight decrease in RWC lead to a sharp reduction in g s”
✓ located verbatim in the source · abstract, characters 423–547

t0
“soybean”
✓ located verbatim in the source · title, characters 55–62

Title

Photosynthetic response of salt-tolerant and sensitive soybean varieties

K. X. Lu; B. H. Cao; X. P. Feng; et al. Photosynthetica 2009. doi:10.1007/s11099-009-0059-7

Other claims from this paper (8)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Antioxidant enzyme activity and relative water content declined as drought stress extended.

Taxon: riceOryza sativae0
Organ / stage: leavese0
Outcome: antioxidant enzymes reactivity and relative water contente0
Direction: decreasee0

Verbatim

e0
“With the extension of the stress,the antioxidant enzymes reactivity and relative water content gradually decrease in the rice leaves”
✓ located verbatim in the source · abstract, characters 155–287

Title

Effects of SA on the Anti-oxidant Enzymes Reactivity of Rice Seedlings Under Drought Stress

Di Lin Mianyang Shifan Xueyuan xuebao 2008

Other claims from this paper (5)

Intervention effect SA-pretreated rice had lower water content than water-treated rice at an unspecified point.
Intervention effect After four days of drought, SA-pretreated rice had higher water content than water-treated rice.
Intervention effect SA pretreatment reduced CAT, POD, and SOD activities relative to water treatment.
Observation SOD and POD isozyme band patterns did not change.
Mechanism The authors concluded that high SA weakened rice-seedling drought tolerance.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Waterlogging decreased wheat relative water content in flag leaf.

Taxon: WheatTriticum aestivumt0
Treatment: waterlogginge0
Outcome: relative water content in flag leafe0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“the waterlogging made the root vigor decrease, the content of malondialdehyde in flag leaf increase, the content of chlorophyll, the net photosynthesis rate, the nitrate reductase activity, the relative water content in flag leaf decrease, the content of organic matter change obviously”
✓ located verbatim in the source · abstract, characters 213–499

t0
“Wheat”
✓ located verbatim in the source · title, characters 39–44

Title

Changes of Physiological Characters of Wheat After Waterlogging and Relations Between Physiological Characters and Waterlogging Tolerance of Different Varieties

Zhou Guang 2002

Other claims from this paper (16)

Intervention effect Waterlogging decreased wheat root vigor.
Intervention effect Waterlogging increased wheat content of malondialdehyde in flag leaf.
Intervention effect Waterlogging decreased wheat content of chlorophyll.
Intervention effect Waterlogging decreased wheat net photosynthesis rate.
Intervention effect Waterlogging decreased wheat nitrate reductase activity.
Intervention effect Waterlogging changed wheat content of organic matter.
Intervention effect Waterlogging reduced wheat grains per plant.
Intervention effect Waterlogging reduced wheat 1 000 grains weight.
Intervention effect Waterlogging reduced wheat yield per plant.
Association Wheat waterlogging tolerance correlated highly significantly with water conservation ability of flag leaf.
Association Wheat waterlogging tolerance correlated highly significantly with content of free amino acids in secondary root.
Association Wheat waterlogging tolerance correlated highly significantly with content of starch in secondary root at booting stage.
Association Wheat waterlogging tolerance correlated highly significantly with percentage of stem yield in yield per plant at ripening stage.
Association Wheat waterlogging tolerance correlated significantly with content of malondialdehyde in flag leaf.
Association Wheat waterlogging tolerance correlated significantly with relative water content in flag leaf.
Association Wheat waterlogging tolerance correlated significantly with content of free amino acids in leaves.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Relative water content and chlorophyll content decrease slowly in the wheat with stronger salinity tolerance.

Taxon: spring wheatTriticum aestivumt0
Outcome: decreased slowlye4
Qualifier: the wheat which has stronger salinity tolerancee4

Verbatim

t0
“seedling stage of spring wheat”
✓ located verbatim in the source · title, characters 54–84

e4
“the wheat which has stronger salinity tolerance decreased slowly”
✓ located verbatim in the source · abstract, characters 651–715

Title

Effect of Na_2CO_3 stress on physiological straits in seedling stage of spring wheat

Shi Zhen Dongbei Nongye Daxue xuebao 2008

Other claims from this paper (4)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

XZD4 from Tibet had the smallest decrease in leaf relative water content under drought.

Taxon: ElymusElymuse1
Material: XZD4 from Tibete3
Outcome: leaf relative water contente3
Direction: decreased the lesseste3

Verbatim

e1
“The seedlings of six wild species in Elymus were treated with drought stress”
✓ located verbatim in the source · abstract, characters 0–76

e3
“The leaf relative water content in XZD4 from Tibet decreased the lessest,E.escelsus and E.purpuraristatus from Xinjiang decreased the most”
✓ located verbatim in the source · abstract, characters 602–740

Title

Physiological Change of Six Wild Species in Elymus under Drought Stress at Seedling Stage

LI Lin-hang 2008

Other claims from this paper (14)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

PEG treatment decreased relative water content of detached rice leaves.

Taxon: RiceOryza sativat0
Organ / stage: detached rice leavese0
Treatment: PEG treatmente1
Outcome: relative water contente1
Direction: decreasee1

Not reportedComparator

Verbatim

t0
“Polyethylene Glycol-Treated Rice Leaves”
✓ located verbatim in the source · title, characters 72–111

e0
“detached rice leaves”
✓ located verbatim in the source · abstract, characters 139–159

e1
“PEG treatment resulted in a decrease in relative water content and an increase in proline content, and lipid peroxidation”
✓ located verbatim in the source · abstract, characters 178–299

Title

The Protective Effect of Free Radical Scavengers and Metal Chelators on Polyethylene Glycol-Treated Rice Leaves

S.Y. Hsu; C.H. Kao Biologia Plantarum 2003. doi:10.1023/a:1024888217021

Other claims from this paper (14)

Intervention effect PEG treatment increased proline content in detached rice leaves.
Intervention effect PEG treatment increased lipid peroxidation in detached rice leaves.
Intervention effect PEG treatment decreased chlorophyll and protein contents in detached rice leaves.
Intervention effect Ascorbate retarded PEG-induced oxidative damage in detached rice leaves.
Intervention effect Sodium benzoate retarded PEG-induced oxidative damage in detached rice leaves.
Intervention effect Reduced glutathione retarded PEG-induced oxidative damage in detached rice leaves.
Intervention effect Thiourea retarded PEG-induced oxidative damage in detached rice leaves.
Intervention effect 2,2'-bipyridine (BP) prevented PEG-induced oxidative damage in detached rice leaves.
Intervention effect 8-hydroxyquinoline prevented PEG-induced oxidative damage in detached rice leaves.
Intervention effect 1,10-phenanthroline prevented PEG-induced oxidative damage in detached rice leaves.
Intervention effect Adding Fe2+ and Cu2+ reversed the protective effect of BP in PEG-treated rice leaves.
Intervention effect Adding Mn2+ or Zn2+ did not reverse the protective effect of BP in PEG-treated rice leaves.
Mechanism The protective effect of BP is most likely mediated through chelation of iron.
Mechanism Oxidative damage induced by PEG may require the participation of iron.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Relative water content below 70% sharply decreased photosynthetic rate and stomatal conductance.

Taxon: Pachyrhizus ahipaPachyrhizus ahipat0
Outcome: PN and gse0
Direction: decreasee0
Qualifier: below 70 %e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorTreatmentComparatorSetting

Verbatim

t0
“Pachyrhizus ahipa”
✓ located verbatim in the source · title, characters 68–85

e0
“Relative water content (RWC) below 70 % caused a drastic decrease in PN and gs”
✓ located verbatim in the source · abstract, characters 937–1015

Title

Photosynthetic Activity and Cellular Integrity of the Andean Legume Pachyrhizus ahipa (Wedd.) Parodi under Heat and Water Stress

M.C. Matos; P.S. Campos; J.C. Ramalho; et al. Photosynthetica 2002. doi:10.1023/a:1024331414564

Other claims from this paper (16)

Intervention effect Short heat stress did not change net photosynthetic rate, stomatal conductance or most fluorescence parameters in either accession.
Observation Short heat stress was accompanied by low electrolyte leakage.
Intervention effect Heat significantly reduced photosynthetic capacity, more in AC 524 than AC 102.
Intervention effect Drought affected fluorescence parameters, photosynthetic capacity and injury index in both accessions.
Intervention effect Both accessions lost 42% of total fatty acids under water stress.
Observation Galactolipid contents fell drastically.
Observation Linolenic acid percentage in MGDG decreased in both accessions.
Observation Drought disorganized grana stacking in AC 524 thylakoids.
Observation Mitochondrial cristae showed injury.
Intervention effect Adding high temperature to drought did not significantly change photosynthesis and fluorescence parameters in either accession.
Intervention effect Heat added to drought increased electrolyte leakage in AC 524.
Intervention effect Heat added to drought did not increase electrolyte leakage in AC 102.
Observation Combined stress increased disorganization of chloroplasts, mitochondria and plasmalemma.
Observation Vesicles appeared in the cytoplasm.
Observation Cytoplasm became electron transparent with strongly fewer ribosomes.
Observation AC 102 was less affected than AC 524 in photosynthetic capacity and membrane integrity.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Waterlogging decreased leaf area, dry matter and leaf relative water and chlorophyll contents.

Taxon: pigeonpeaCajanus cajane2
Treatment: Waterlogginge1
Outcome: leaf area, dry matter, relative water content and chlorophyll content in leavese0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“decrease in leaf area, dry matter, relative water content and chlorophyll content in leaves”
✓ located verbatim in the source · abstract, characters 265–356

e1
“Waterlogging resulted”
✓ located verbatim in the source · abstract, characters 196–217

e2
“pigeonpea (Cajanus cajan L. Halls)”
✓ located verbatim in the source · abstract, characters 104–138

Title

Waterlogging induced oxidative stress and antioxidant activity in pigeonpea genotypes

D. Kumutha; K. Ezhilmathi; R. K. Sairam; et al. Biologia Plantarum 2009. doi:10.1007/s10535-009-0011-5

Other claims from this paper (9)

Intervention effect Waterlogging caused leaf yellowing and senescence.
Intervention effect Waterlogging decreased membrane stability in roots and leaves.
Association These waterlogging-associated declines were greater in Pusa 207 than in ICP 301.
Intervention effect Superoxide radical, hydrogen peroxide and TBARS contents initially decreased during waterlogging.
Intervention effect At days 4 and 6, those oxidative stress contents increased over controls.
Intervention effect Superoxide dismutase, ascorbate peroxidase, glutathione reductase and catalase increased under waterlogging.
Association ICP 301 had greater antioxidant enzyme activity and less oxidative stress than Pusa 207.
Mechanism Greater antioxidant activity and reduced oxidative stress may explain the greater flooding tolerance of ICP 301 relative to Pusa 207.
Mechanism The authors attribute waterlogging-induced ROS increase to NADPH oxidase.

“decrease in relative water content”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics