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“decrease in A”

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plus 3 earlier · 1930s–1940s

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Organism: Hordeum vulgare ✕

Observationobservedoriginal resultmeasured

Claim · model-written summary

The ABA-induced calcium decrease occurred within 5 s.

Taxon: barleyHordeum vulgaree0
Treatment: ABAe2
Outcome: decreasee1
Direction: decreasee1
Value: 5 se1

Verbatim

e0
“barley aleurone protoplasts”
✓ located verbatim in the source · abstract, characters 42–69

e1
“This decrease occurs within 5 s.”
✓ located verbatim in the source · abstract, characters 344–376

e2
“Stimulation with ABA induces a strong dose-dependent decrease in Cai”
✓ located verbatim in the source · abstract, characters 240–308

Title

Abscisic acid induces a cytosolic calcium decrease in barley aleurone protoplasts

M Wang; B Van Duijn; A W Schram FEBS Letters 1991. doi:10.1016/0014-5793(91)80086-i

Other claims from this paper (5)

Observation Basal cytosolic calcium in barley aleurone protoplasts was about 200 nM.
Intervention effect ABA lowered cytosolic calcium dose-dependently to about 50 nM.
Intervention effect La3+ and Cd2+ inhibited the ABA-induced cytosolic calcium decrease dose-dependently.
Intervention effect Verapamil and nifedipine did not inhibit the ABA-induced calcium decrease.
Mechanism The authors interpret the calcium decline as consistent with ABA activation of plasma membrane Ca2(+)-ATPase.

Observationobservedoriginal resultmeasured

Claim · model-written summary

KCN pretreatment produced a smaller decrease.

Taxon: barleyHordeum vulgaret0
Treatment: KCNe0
Outcome: decreasee0
Direction: much lesse0

Verbatim

e0
“The decrease was much less when KCN was pretreatment.”
✓ located verbatim in the source · abstract, characters 743–796

t0
“barley”
✓ located verbatim in the source · title, characters 59–65

Title

Influence of potassium cyanide on the azide mutagenesis in barley

A. R. PRINA; E. A. FAVRET Hereditas 2008. doi:10.1111/j.1601-5223.1983.tb00603.x

Other claims from this paper (8)

Intervention effect KCN alone showed no mutagenic activity in barley.
Observation KCN alone caused a low level of M1 plant sterility.
Observation KCN alone caused a low level of M1 plant lethality.
Observation SA alone strongly induced chlorophyll mutations and sterility.
Observation SA alone caused low lethality.
Intervention effect Post- and simultaneous KCN with SA markedly reduced SA-induced chlorophyll-deficient mutations.
Intervention effect Post- and simultaneous KCN with SA markedly reduced sterility.
Observation None of the combined treatments produced high M1 plant lethality.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The decrease in spring barley plant mass was mainly due to a decrease in the mass of lateral shoots.

Taxon: spring barleyHordeum vulgaree0
Outcome: plant masse3
Qualifier: mainly due to a decrease in the mass of lateral shootse3

Verbatim

e0
“absorption of macronutrients by spring barley plants of two varieties”
✓ located verbatim in the source · abstract, characters 104–173

e3
“The decrease in plant mass was mainly due to a decrease in the mass of lateral shoots”
✓ located verbatim in the source · abstract, characters 1179–1264

Title

Experimental modeling of the influence of mineral nutrition conditions on the plants of spring double

S. A Ushakova; A. A Tikhomirov; V. V Velichko; et al. Rossiiskaia selskokhoziaistvennaia nauka 2023. doi:10.31857/s250026272304004x

Other claims from this paper (6)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The improved genotypes had a strong decrease in chlorophyll content.

Taxon: BarleyHordeum vulgaret0
Outcome: chlorophyll contente0
Direction: decreasee0

Not reportedTreatmentComparator

Verbatim

e0
“These improved genotypes showed a strong decrease in their chlorophyll content, assessed by SPAD measurement”
✓ located verbatim in the source · abstract, characters 806–914

t0
“Barley”
✓ located verbatim in the source · title, characters 45–51

Title

Intoduction and Evaluation of Salt- Tolerant Barley Gentypes

Mokhtar Baraket; Ali Sahli; Hager Amara; et al. Annals of biological research 2014

Other claims from this paper (19)

Intervention effect Plant height fell significantly in all barley genotypes at 12 g NaCl.L1.
Intervention effect Leaf surface fell in some barley genotypes under that stress level.
Intervention effect High salinity did not reduce leaf surface in Manel.
Intervention effect High salinity did not reduce leaf surface in Rihane.
Intervention effect High salinity did not reduce leaf surface in PK30118.
Observation Ardhaoui maintained a high number of ears per square metre regardless of salinity.
Observation Pak1 maintained a high number of ears per square metre regardless of salinity.
Observation PK30109 maintained a high number of ears per square metre regardless of salinity.
Observation PK30046 maintained a high number of ears per square metre regardless of salinity.
Intervention effect Tunisian improved cultivars were severely affected by 12 g NaCl.L-1 irrigation.
Intervention effect PK30118 was severely affected by 12 g NaCl.L-1 irrigation.
Intervention effect PK30130 was severely affected by 12 g NaCl.L-1 irrigation.
Intervention effect Thousand grain weight was affected by severe salinity in all genotypes except Ardhaoui.
Observation Manel, Rihane, PK30118 and PK30130 had the highest yields without salinity.
Intervention effect Pak1 had the lowest yield reduction at moderate salinity.
Intervention effect Ardhaoui had the lowest yield reduction under severe salinity.
Intervention effect Only severe salinity significantly affected barley lines.
Observation Salt sensitive genotypes could not restrict leaf expansion under salinity.
Recommendation The authors recommend Manel and Rihane only for non-saline conditions, Pak1 and PK30046 for moderate salinity, and Ardhaoui for moderate or severe salinity.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Late barley leaf senescence had about a 50% chlorophyll decrease.

Taxon: barleyHordeum vulgaret0
Organ / stage: later stagese0
Outcome: chlorophylle0
Direction: decreasee0
Value: about 50%e0

Verbatim

e0
“later stages by a decrease in chlorophyll by about 50%”
✓ located verbatim in the source · abstract, characters 732–786

t0
“barley”
✓ located verbatim in the source · title, characters 89–95

Title

Transcriptional reprogramming during developmental and stress-induced leaf senescence in barley

Wiebke Zschiesche; Christina Poppe; Klaus Humbeck Annals of Botany 2025. doi:10.1093/aob/mcaf284

Other claims from this paper (13)

Observation Early barley leaf senescence had about a 10 to 20% chlorophyll decrease.
Observation Developmental senescence had about 1000 differentially regulated genes early.
Intervention effect Drought-induced senescence had about 1000 differentially regulated genes early.
Observation Developmental senescence had about 5000 differentially regulated genes later.
Intervention effect Drought-induced senescence had about 5000 differentially regulated genes later.
Intervention effect Low nitrogen produced 100 to 500 differentially regulated genes, fewer than the other conditions.
Observation Early overlap in transcriptional reprogramming was low under low nitrogen.
Observation Early overlap in transcriptional reprogramming under drought ranged from 0.3 to 37%.
Observation Early overlap during developmental senescence ranged from 1.4 to 21%.
Mechanism At later stages, condition specific pathways converge on a nutrient recycling senescence pathway.
Observation Late transcriptional overlap under low nitrogen ranged from 37 to 51%.
Observation Late transcriptional overlap under drought ranged from 3.9 to 79%.
Observation Late transcriptional overlap under developmental senescence ranged from 4.3 to 86%.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heavy metal exposure accompanied a 45% decrease in transpiration.

Taxon: barleyHordeum vulgaret0
Outcome: rate of transpiratione0
Direction: decreasee0
Value: 45%e0

Not reportedTreatmentComparator

Verbatim

e0
“This was accompanied by a 45% decrease in the rate of transpiration.”
✓ located verbatim in the source · abstract, characters 1084–1152

t0
“barley (Hordeum vulgare)”
✓ located verbatim in the source · title, characters 68–92

Title

Abiotic stresses modulate expression of major intrinsic proteins in barley (Hordeum vulgare)

Ayalew Ligaba; Maki Katsuhara; Mineo Shibasaka; et al. Comptes Rendus Biologies 2010. doi:10.1016/j.crvi.2010.11.005

Other claims from this paper (7)

Intervention effect NaCl, ABA and GA differentially regulated MIP expression in roots and shoots.
Intervention effect Nitrogen deficiency downregulated most MIP genes in roots.
Intervention effect Prolonged P deficiency downregulated most MIP genes in roots.
Intervention effect MIP gene expression returned to control values three days after nutrient supply resumed.
Intervention effect Cd, Cu, Zn and Cr reduced root transcript levels by 60-80%.
Intervention effect Hg increased expression of most genes in roots.
Observation HvTIP2;1, HvTIP2;3 and HvNIP2;1 showed no water uptake activity in Xenopus oocytes.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Treated wastewater showed a nonsignificant dry weight decrease.

Taxon: barleyHordeum vulgaree0
Treatment: treated wastewatere0
Outcome: dry weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“both treated and untreated wastewater showed insignificant decrease in dry weight of barley.”
✓ located verbatim in the source · abstract, characters 1046–1138

Title

Modulation of cytotoxic effects of wastewater on barely seedlings by Aloe vera extract

O.A.H. El Amin; R.I.H. Ibrahim Journal of Environmental Biology 2022. doi:10.22438/jeb/43/3/mrn-1606

Other claims from this paper (11)

Intervention effect Untreated wastewater significantly reduced barley fresh weight.
Intervention effect Untreated wastewater showed a nonsignificant dry weight decrease.
Intervention effect Most treatments had no significant MDA change.
Intervention effect The 0.15 A. vera water extract addition to untreated wastewater was an exception to the lack of MDA changes.
Intervention effect Treated wastewater nonsignificantly increased protein content.
Intervention effect Untreated wastewater significantly increased protein content.
Intervention effect Aloe vera extracts increased protein accumulation in shoots and roots.
Intervention effect Aloe vera alcoholic extract significantly increased root and shoot protein under treated wastewater.
Intervention effect Aloe vera alcoholic extract significantly increased shoot protein under untreated wastewater.
Intervention effect Wastewater significantly reduced mitotic index.
Intervention effect Aloe vera extracts significantly increased mitotic index.

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Untreated wastewater showed a nonsignificant dry weight decrease.

Taxon: barleyHordeum vulgaree0
Treatment: untreated wastewatere0
Outcome: dry weighte0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“both treated and untreated wastewater showed insignificant decrease in dry weight of barley.”
✓ located verbatim in the source · abstract, characters 1046–1138

Title

Modulation of cytotoxic effects of wastewater on barely seedlings by Aloe vera extract

O.A.H. El Amin; R.I.H. Ibrahim Journal of Environmental Biology 2022. doi:10.22438/jeb/43/3/mrn-1606

Other claims from this paper (11)

Intervention effect Untreated wastewater significantly reduced barley fresh weight.
Intervention effect Treated wastewater showed a nonsignificant dry weight decrease.
Intervention effect Most treatments had no significant MDA change.
Intervention effect The 0.15 A. vera water extract addition to untreated wastewater was an exception to the lack of MDA changes.
Intervention effect Treated wastewater nonsignificantly increased protein content.
Intervention effect Untreated wastewater significantly increased protein content.
Intervention effect Aloe vera extracts increased protein accumulation in shoots and roots.
Intervention effect Aloe vera alcoholic extract significantly increased root and shoot protein under treated wastewater.
Intervention effect Aloe vera alcoholic extract significantly increased shoot protein under untreated wastewater.
Intervention effect Wastewater significantly reduced mitotic index.
Intervention effect Aloe vera extracts significantly increased mitotic index.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Decrease in leaf hydraulic conductivity under salt stress correlated with a decrease in transpiration in two cultivars.

Taxon: barleyHordeum vulgaret0
Material: two cultivarse2
Treatment: salt stresse2
Outcome: transpiratione2
Direction: decreasee2
Qualifier: degree of decrease in the hydraulic conductivity of the leafe2

Verbatim

t0
“leaf cells of barley plants”
✓ located verbatim in the source · title, characters 103–130

e2
“The degree of decrease in the hydraulic conductivity of the leaf in plants of two cultivars under the influence of salt stress correlated with a decrease in transpiration”
✓ located verbatim in the source · abstract, characters 648–818

Title

Salt stress influence on stomatal and hydraulic conductivity, as well as on the level of aquaporins in leaf cells of barley plants, differing in salt tolerance

G.V. Sharipova; R.S. Ivanov; L.B. Vysotskaya; et al. Biomics 2021. doi:10.31301/2221-6197.bmcs.2021-19

Other claims from this paper (7)

Intervention effect Salinity greatly declined aquaporin levels in the leaf vascular bundles of the salt-tolerant Prairia cultivar.
Intervention effect Salinity decreased leaf hydraulic conductivity in the Prairia cultivar.
Intervention effect Salt stress did not significantly change aquaporin levels in the Mikhailovsky cultivar.
Observation During salt stress, ABA accumulated in leaf mesophyll cells and stomata.
Intervention effect Exogenous ABA increased aquaporin staining and leaf hydraulic conductivity.
Intervention effect ABA concentration in xylem did not increase during salt stress.
Mechanism ABA accumulation during short-term salt stress results from synthesis in the shoot rather than delivery from the roots.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Elevated CO2 caused a threefold decrease in an unnamed apoplastic concentration.

Taxon: barley plantsHordeum vulgaret0
Treatment: Elevated CO2e0
Outcome: concentration in the apoplastic solutione0
Direction: decreasee0
Value: threefolde0

Not reportedComparator

Verbatim

t0
“barley plants”
✓ located verbatim in the source · title, characters 69–82

e0
“Elevated CO2 caused a threefold decrease in the concentration in the apoplastic solution”
✓ located verbatim in the source · abstract, characters 537–625

Title

Elevated atmospheric CO2 decreases the ammonia compensation point of barley plants

Liang Wang; Pai Pedas; Dennis Eriksson; et al. Journal of Experimental Botany 2013. doi:10.1093/jxb/ert117

Other claims from this paper (7)

Intervention effect Elevated CO2 slightly acidified the apoplastic solution.
Intervention effect Elevated CO2 reduced the ammonia compensation point from 2.25 and 2.95 to 0.37 and 0.89 nmol mol(-1) in the two N treatments.
Intervention effect Elevated CO2 lowered shoot dry matter N concentration by 25%.
Intervention effect Elevated CO2 reduced nitrate reductase activity by 45 to 60%.
Intervention effect Glutamine synthetase activity was unaffected by elevated CO2.
Mechanism Elevated CO2 was concluded to increase the likelihood of barley being an atmospheric NH3 sink.
Mechanism Elevated CO2 was concluded to reduce episodes of NH3 emission.

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