Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

The decrease in leaf relative water content under water stress was greater in drought-sensitive cv. 8139 than in drought-resistant cv. 504.

Taxon: Spring WheatTriticum aestivumt0
Material: cv. 8139e3
Treatment: water stresse3
Outcome: decrease in RWC of stressed leavese3
Direction: greatere3
Comparator: drought-resistant cv, 504e3

Verbatim

e3
“the decrease in RWC of stressed leaves was greater and the changes in ACC and MACC levels as well as ACC synthase activity were higher in the drought-sensitive cv. 8139 than in the drought-resistant cv, 504 during water stress”
✓ located verbatim in the source · abstract, characters 681–907

t0
“Spring Wheat”
✓ located verbatim in the source · title, characters 68–80

Title

ACC and MACC Biosynthesis and Ethylene Production in Water-Stressed Spring Wheat

Kun‐Ming Chen; Gong Haijun; Guo-Cang Chen; et al. Lanzhou University Institutional Repository 2002

Other claims from this paper (10)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower leaf water content decreased CO2 fixation in wheat cultivars.

Taxon: wheatTriticum aestivume0
Treatment: Decrease in relative water content (RWC)e0
Outcome: net photosynthetic CO2 fixation (A)e0
Direction: decreasee0

Verbatim

e0
“Decrease in relative water content (RWC) of leaves resulted in fast and considerable stomatal closure and decrease in net photosynthetic CO2 fixation (A) in Ae. bicornis and in wheat cultivars”
✓ located verbatim in the source · abstract, characters 195–387

Title

Effects of drought on photosynthetic parameters and heat stability of PSII in wheat and in Aegilops species originating from dry habitats

Sándor Dulai Acta Biologica Szegediensis 2006

Other claims from this paper (14)

Association Lower leaf water content caused rapid stomatal closure in Ae. bicornis.
Association Lower leaf water content decreased CO2 fixation in Ae. bicornis.
Association Lower leaf water content caused rapid stomatal closure in wheat cultivars.
Observation Ae. tauschii retained relatively high stomatal conductance and CO2 fixation at 90–70% RWC.
Observation Ae. speltoides retained relatively high stomatal conductance and CO2 fixation at 90–70% RWC.
Mechanism CO2 diffusion limited photosynthesis even at lower RWC in Ae. taushii.
Mechanism CO2 diffusion limited photosynthesis even at lower RWC in Ae. speltoides.
Observation Ae. bicornis showed significant mesophyll limitation.
Observation Wheat showed significant mesophyll limitation.
Intervention effect Drought significantly increased PSII thermal stability in wheat.
Intervention effect Drought significantly increased PSII thermal stability in Aegilops.
Observation Some Ae. taushii genotypes had better drought tolerance and satisfactory heat stability than wheat.
Observation Some Ae. speltoides genotypes had better drought tolerance and satisfactory heat stability than wheat.
Recommendation The authors suggest Ae. taushii and Ae. speltoides for improving wheat heat tolerance in dry, hot field periods.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought reduced leaf relative water content.

Taxon: TobaccoNicotiana tabacumt0
Treatment: Drought stresse0
Outcome: leaf relative water contente0
Direction: diminutione0

Not reportedComparator

Verbatim

t0
“Tobacco Plants”
✓ located verbatim in the source · title, characters 40–54

e0
“Drought stress led to diminution in leaf relative water content, photosynthesis inhibition, decrease in chlorophyll content and accumulation of malondialdehyde and proline.”
✓ located verbatim in the source · abstract, characters 681–853

Title

Response of Oryzacystatin I Transformed Tobacco Plants to Drought, Heat and Light Stress

K. Demirevska; L. Simova‐Stoilova; I. Fedina; et al. Journal of Agronomy and Crop Science 2009. doi:10.1111/j.1439-037x.2009.00396.x

Other claims from this paper (8)

Intervention effect Drought inhibited photosynthesis.
Intervention effect Drought decreased chlorophyll content.
Intervention effect Drought increased malondialdehyde and proline accumulation.
Intervention effect Heat alone did not significantly affect tobacco plants.
Intervention effect Heat intensified the effect of drought stress.
Intervention effect High light further increased proline content.
Intervention effect OC-I transformed tobacco had higher superoxide dismutase and guaiacol peroxidase activities and isoforms than controls in low light under stress and non-stress conditions.
Intervention effect OC-I expression did not highly affect catalase activity.

Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

The decrease in relative water content under drought differed between IP8210 and IP8949.

Taxon: Pearl milletCenchrus americanuse0
Material: IP8210e3
Treatment: severe drought treatmente1
Outcome: decrease in relative water contente3
Qualifier: was differente3
Comparator: IP8949e3

Not reportedDirection

Verbatim

e0
“Pearl millet, Pennisetum glaucum , is capable of adapting to severely dry environmental conditions”
✓ located verbatim in the source · abstract, characters 0–98

e1
“When these selected accessions were stressed with a severe drought treatment, the leaves of IP8210 exhibited upright folding, a response that effectively reduces the evaporative surface area of the canopy”
✓ located verbatim in the source · abstract, characters 389–593

e3
“In comparison with IP8949, the capacity of osmotic adjustment (OA) was greater in both younger leaves and stems of IP8210, while their decrease in relative water content was different”
✓ located verbatim in the source · abstract, characters 702–885

Title

Contribution of inorganic components to osmotic adjustment and leaf folding for drought tolerance in pearl millet

Masayuki Kusaka; Masaru Ohta; Tatsuhito Fujimura Physiologia Plantarum 2005. doi:10.1111/j.1399-3054.2005.00578.x

Other claims from this paper (10)

Intervention effect Leaves of the tolerant accession IP8210 exhibited upright folding under severe drought.
Intervention effect Leaves of the susceptible accession IP8949 wilted under drought stress.
Intervention effect Osmotic adjustment capacity was greater in younger leaves and stems of IP8210 than of IP8949 under drought.
Intervention effect IP8210 accumulated higher NO3– concentrations than IP8949 under drought stress.
Observation Sucrose, glucose, quaternary ammonium compounds and amino acids including proline accumulated in pearl millet under drought.
Intervention effect IP8210 accumulated more amino acids than IP8949 under drought, mainly asparagine and proline.
Intervention effect IP8949 accumulated more soluble sugars than IP8210 under drought.
Mechanism K+ and NO3– may be the major components contributing to osmotic regulation in pearl millet.
Mechanism Sugars and amino acids may function as cytoprotectants in pearl millet under drought.
Mechanism Leaf folding, osmotic adjustment and NO3– and amino acid accumulation contribute to superior drought tolerance of IP8210 in pearl millet.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower leaf water content decreased CO2 fixation in Ae. bicornis.

Taxon: Ae. bicornise0
Treatment: Decrease in relative water content (RWC)e0
Outcome: net photosynthetic CO2 fixation (A)e0
Direction: decreasee0

Verbatim

e0
“Decrease in relative water content (RWC) of leaves resulted in fast and considerable stomatal closure and decrease in net photosynthetic CO2 fixation (A) in Ae. bicornis and in wheat cultivars”
✓ located verbatim in the source · abstract, characters 195–387

Title

Effects of drought on photosynthetic parameters and heat stability of PSII in wheat and in Aegilops species originating from dry habitats

Sándor Dulai Acta Biologica Szegediensis 2006

Other claims from this paper (14)

Association Lower leaf water content caused rapid stomatal closure in Ae. bicornis.
Association Lower leaf water content caused rapid stomatal closure in wheat cultivars.
Association Lower leaf water content decreased CO2 fixation in wheat cultivars.
Observation Ae. tauschii retained relatively high stomatal conductance and CO2 fixation at 90–70% RWC.
Observation Ae. speltoides retained relatively high stomatal conductance and CO2 fixation at 90–70% RWC.
Mechanism CO2 diffusion limited photosynthesis even at lower RWC in Ae. taushii.
Mechanism CO2 diffusion limited photosynthesis even at lower RWC in Ae. speltoides.
Observation Ae. bicornis showed significant mesophyll limitation.
Observation Wheat showed significant mesophyll limitation.
Intervention effect Drought significantly increased PSII thermal stability in wheat.
Intervention effect Drought significantly increased PSII thermal stability in Aegilops.
Observation Some Ae. taushii genotypes had better drought tolerance and satisfactory heat stability than wheat.
Observation Some Ae. speltoides genotypes had better drought tolerance and satisfactory heat stability than wheat.
Recommendation The authors suggest Ae. taushii and Ae. speltoides for improving wheat heat tolerance in dry, hot field periods.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

In compatible infection, leaf diffusive resistance, relative water content and turgor potential decreased during symptom progression.

Taxon: WheatTriticum aestivumt0
Interactor: Stripe Rustt0pathogen
Outcome: leaf diffusive resistance (LDR), relative water content (RWC) and Ψ pe0
Direction: decreasee0

Verbatim

e0
“decrease of leaf diffusive resistance (LDR), relative water content (RWC) and Ψ p from the appearance of rust symptom to the formation of fungal uredia”
✓ located verbatim in the source · abstract, characters 684–835

t0
“Wheat Leaves in the Infection Process of Stripe Rust”
✓ located verbatim in the source · title, characters 30–82

Title

Changes in Water Relations of Wheat Leaves in the Infection Process of Stripe Rust

Yue Li 2000

Other claims from this paper (13)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Total water content decreased with storage time.

Taxon: tulipt0
Organ / stage: bulbse0
Treatment: different temperature treatmentse0
Outcome: total water contente0
Direction: decreasee0
Qualifier: with storage timee0

Verbatim

e0
“Under different temperature treatments,volume of bulbs,fresh weight,total water content and free water content decrease,while the relative content of dry matter increase with storage time.”
✓ located verbatim in the source · abstract, characters 351–539

t0
“tulip bulbs”
✓ located verbatim in the source · title, characters 95–106

Title

Effect of different temperature treatments on water content and relative dry matter content in tulip bulbs

Tang Dao-cheng Journal of Qinghai University 2009

Other claims from this paper (6)

Association Bulb volume decreased with storage time under the temperature treatments.
Association Bulb fresh weight decreased with storage time.
Association Free water content decreased with storage time.
Association Relative dry matter content increased with storage time.
Association Reducing sugar content changed regularly during flower bud differentiation, development and dormancy release.
Recommendation Storage at 2 °C and 5 °C better preserves bulb water and dry matter and prolongs storage life.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Free water content decreased with storage time.

Taxon: tulipt0
Organ / stage: bulbse0
Treatment: different temperature treatmentse0
Outcome: free water contente0
Direction: decreasee0
Qualifier: with storage timee0

Verbatim

e0
“Under different temperature treatments,volume of bulbs,fresh weight,total water content and free water content decrease,while the relative content of dry matter increase with storage time.”
✓ located verbatim in the source · abstract, characters 351–539

t0
“tulip bulbs”
✓ located verbatim in the source · title, characters 95–106

Title

Effect of different temperature treatments on water content and relative dry matter content in tulip bulbs

Tang Dao-cheng Journal of Qinghai University 2009

Other claims from this paper (6)

Association Bulb volume decreased with storage time under the temperature treatments.
Association Bulb fresh weight decreased with storage time.
Association Total water content decreased with storage time.
Association Relative dry matter content increased with storage time.
Association Reducing sugar content changed regularly during flower bud differentiation, development and dormancy release.
Recommendation Storage at 2 °C and 5 °C better preserves bulb water and dry matter and prolongs storage life.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Seedling dehydration decreased the relative water content and root vigor.

Taxon: Melia toosendanMelia azedarach var. toosendane0
Treatment: seedling dehydratione2
Outcome: relative water content and the root vigore2
Direction: decreasee2

Not reportedComparator

Verbatim

e0
“Studies of 5 kinds of air-drying treatments were conducted on Melia toosendan Sieb. et Zucc.”
✓ located verbatim in the source · abstract, characters 0–92

e2
“The seedling dehydration caused the increase of the relative electric conductivity of root system and the decrease of the relative water content and the root vigor”
✓ located verbatim in the source · abstract, characters 380–543

Title

Effect of Air-drying on Vigor of Melia toosendan Seedlings in Dry-hot Valley of Jinshajiang River

Chunhua Zhang Forest Research Open Access 2006

Other claims from this paper (4)

Association Seedling vigor of Melia toosendan was closely related to its water content.
Intervention effect Seedling dehydration increased the relative electric conductivity of the root system.
Intervention effect Seedling dehydration decreased the survival rate after planting.
Recommendation Seedling vigor conservation is a key factor for field performance of Melia toosendan.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

New-season branch stem and leaf relative water content began falling shortly before symptoms.

Taxon: Japanese black pinePinus thunbergiit0
Interactor: Bursaphelenchus xylophilusBursaphelenchus xylophilust0pathogen
Outcome: stem and leaf relative water contente0
Direction: decreasee0
Qualifier: not long before symptoms appearede0

Verbatim

e0
“stem and leaf relative water content in a new season branch began to decrease not long before symptoms appeared”
✓ located verbatim in the source · abstract, characters 618–729

t0
“Bursaphelenchus xylophilus, infection of Japanese black pine”
✓ located verbatim in the source · title, characters 74–134

Title

A study on disease development and early diagnosis of pine wood nematode, Bursaphelenchus xylophilus, infection of Japanese black pine

Jian-Ren Ye; Yan Li; Jia-Jin Tan; et al. Nematology 2005. doi:10.1163/156854105774384787

Other claims from this paper (9)

Observation Following nematode invasion, disease progressed from stem base upward.
Observation Resin exudation stopped after infection.
Observation Stem xylem dried and its pith browned sequentially.
Observation Needles wilted and plants died after stem symptoms.
Observation Nematode numbers rose rapidly and significantly after seedling symptoms appeared.
Observation Stem water content gradually fell.
Observation Optical density of stem organic acid extract increased.
Recommendation Stem water content was suggested as a disease indicator.
Recommendation Organic acid was suggested as the most reliable early diagnostic index.

“decrease in relative water content”

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