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“decrease in relative water content”

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Organism: Hordeum vulgare ✕

Intervention effect 24

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under drought, the decrease in leaf relative water content, net photosynthesis and biomass was smaller in Otis than in Baronesse.

Taxon: barleyHordeum vulgaree2
Material: Otise2
Treatment: droughte2
Outcome: leaf relative water content, net photosynthesis, and biomass accumulatione1
Direction: decreasee1
Comparator: Baronessee1

Verbatim

e2
“drought-tolerant (Otis) and drought-sensitive (Baronesse) barley genotypes subjected to drought”
✓ located verbatim in the source · abstract, characters 385–480

e1
“The drought-induced decrease in the leaf relative water content, net photosynthesis, and biomass accumulation was relatively low in Otis compared to Baronesse”
✓ located verbatim in the source · abstract, characters 554–712

Title

The Effect of Drought on Transcriptome and Hormonal Profiles in Barley Genotypes With Contrasting Drought Tolerance

Amal Harb; Craig Simpson; Wenbin Guo; et al. Frontiers in Plant Science 2020. doi:10.3389/fpls.2020.618491

Other claims from this paper (10)

Intervention effect Under drought, GA20 levels increased in Otis compared to Baronesse.
Intervention effect Under drought, cis-zeatin-o-glucoside (c-ZOG) levels increased in Otis compared to Baronesse.
Association Hormonal profiles of the barley genotypes under drought did not differ significantly for most compounds.
Intervention effect Under drought, the number of differentially expressed genes was lower in Otis than in Baronesse.
Intervention effect The wax biosynthesis gene CER1 was specifically induced in Otis under drought and not in Baronesse.
Intervention effect NAC transcription factors were specifically induced in Otis under drought and not in Baronesse.
Intervention effect Upregulation of betaine aldehyde dehydrogenase under drought was greater in Otis than in Baronesse.
Intervention effect Upregulation of a homeobox transcription factor under drought was greater in Otis than in Baronesse.
Intervention effect Under drought, downregulation of PSII D1 and D2 gene expression was lower in Otis than in Baronesse.
Association Alternative splicing differs between the barley genotypes under drought.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heat exposure reduced chlorophyll and carotenoid contents and relative water content.

Taxon: barleyHordeum vulgaret0
Treatment: heat exposuree0
Outcome: chlorophyll contents, carotenoids, relative water contentse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“heat exposure made a prominent decrease in chlorophyll contents, carotenoids, relative water contents”
✓ located verbatim in the source · abstract, characters 708–809

t0
“Barley”
✓ located verbatim in the source · title, characters 83–89

Title

Exogenous Application of Salicylic acid Mitigates heat-induced Oxidative Stress in Barley (Hordeum vulgare L.)

Maryam Zahra; Sumaira Rasul; Fozia Saeed; et al. Pakistan Journal of Biochemistry and Biotechnology 2022. doi:10.52700/pjbb.v3i2.177

Other claims from this paper (8)

Intervention effect Heat exposure reduced superoxide dismutase, peroxidase, catalase, and anthocyanin activity.
Intervention effect Heat exposure increased malondialdehyde, hydrogen peroxide, and proline accumulation.
Intervention effect Salicylic acid increased chlorophyll pigments and relative water content under control and heat conditions.
Intervention effect Salicylic acid increased proline and anthocyanin under control and heat conditions.
Intervention effect Salicylic acid pretreatment under heat stress reduced hydrogen peroxide and malondialdehyde.
Intervention effect All tested salicylic acid concentrations elevated ROS-scavenging enzyme activities under heat stress.
Intervention effect Proline accumulated highly in salicylic-acid-cotreated heat-stressed plants.
Intervention effect The 2mM salicylic acid treatment protected heat-stressed barley more effectively than 5mM.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Drought decreased barley seedling relative water content by 55%.

Taxon: barleyHordeum vulgaret0
Organ / stage: seedlingse0
Treatment: applied drought stresse0
Outcome: relative water content (RWC)e0
Direction: decreasee0
Value: 55%e0

Not reportedComparator

Verbatim

e0
“The applied drought stress caused a 55% decrease in the relative water content (RWC) in seedlings, while re-watering increased the RWC to 90% of the control.”
✓ located verbatim in the source · abstract, characters 453–610

t0
“barley”
✓ located verbatim in the source · title, characters 84–90

Title

Drought stress and re-watering affect the abundance of TIP aquaporin transcripts in barley

Marzena Małgorzata Kurowska; Klaudia Wiecha; Katarzyna Gajek; et al. PLoS ONE 2019. doi:10.1371/journal.pone.0226423

Other claims from this paper (11)

Intervention effect Re-watering increased relative water content to 90% of control.
Observation Most HvTIP genes were expressed in leaves under optimal moisture, except three named genes.
Observation HvTIP2;3, HvTIP1;2 and HvTIP1;1 had the most abundant transcripts.
Observation HvTIP genes varied significantly in transcriptional activity under drought stress.
Intervention effect Five water transport HvTIP genes were down-regulated after drought.
Intervention effect HvTIP3;1 was up-regulated after drought.
Intervention effect HvTIP4;1 was up-regulated after drought.
Intervention effect HvTIP3;1 showed the largest activity increase under drought, about 5000-fold.
Intervention effect Rehydration returned or moved many gene expression levels toward optimal-moisture levels.
Observation All examined HvTIP promoters contained hormone and stress response cis-elements.
Mechanism The authors suggest seven studied HvTIP genes function in barley drought adaptation.

Association 1

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Associationobservedoriginal resultmeasured

Claim · model-written summary

Solute levels related more closely to declining relative water content than declining leaf water potential.

Taxon: Hordeum vulgare L.Hordeum vulgaret0
Outcome: Solute levelse0
Direction: more closely relatede0
Comparator: leaf water potentiale0

Verbatim

e0
“Solute levels, in general, were more closely related to the decrease in relative water content than to a decrease in leaf water potential.”
✓ located verbatim in the source · abstract, characters 1416–1554

t0
“barley (Hordeum vulgare L.)”
✓ located after whitespace/quote normalisation · title, characters 47–74

Title

Variability in Proline-Accumulating Ability of Barley (Hordeum vulgare L.) Cultivars Induced by Vapor Pressure Deficit

Bodapati P. Naidu; Donald Aspinall; Leslie G. Paleg PLANT PHYSIOLOGY 1992. doi:10.1104/pp.98.2.716

Other claims from this paper (8)

Intervention effect Higher growth VPD increased Clipper seedling solute accumulation relative to lower VPD.
Intervention effect Higher VPD during stress increased solute content.
Observation At low VPD, Proctor accumulated significantly more proline than Excelsior.
Observation At higher VPD, Excelsior accumulated more proline than Proctor.
Observation The cultivar proline response crossed over at about 0.72 kilopascals VPD.
Intervention effect Multiplying seed at the two VPD extremes enhanced the cultivar response reversal.
Observation Glycinebetaine accumulation showed no cultivar crossover.
Association Glycinebetaine concentration depended on growth or stress VPD in all cultivars.

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“decrease in relative water content”

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Intervention effect 24

Association 1