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“decrease of the photosynthesis”

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plus 1,117 non-evaluative

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1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

plus 2 earlier · 1900s–1930s

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Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

GABA increased photosynthetic pigment contents and photosynthetic rates under hypoxic and normal conditions.

Taxon: muskmelon seedlingsCucumis melot0
Treatment: GABAe0
Outcome: photosynthetic pigment contents, net photosynthetic rate (P(n))e0
Direction: increasee0
Qualifier: under both hypoxic and normal conditionse0

Not reportedComparator

Verbatim

t0
“muskmelon seedlings”
✓ located verbatim in the source · title, characters 101–120

e0
“Applying GABA could significantly increase the photosynthetic pigment contents, net photosynthetic rate (P(n)), stomatal conductance (G(s)), intercellular CO2 concentration (C(i)), carboxylation efficiency (CE), maximal photochemical efficiency of PS II (F(v)/F(m)), photochemical quenching (q(P)), apparent photosynthetic electron transfer rate (ETR), and quantum yield of PS II electron transport (phi(PS II)), and dec…” Show full quote
✓ located verbatim in the source · abstract, characters 380–952

Title

[Effects of gamma-aminobutyric acid on the photosynthesis and chlorophyll fluorescence parameters of muskmelon seedlings under hypoxia stress].

Qing-ping Xia; Hong-bo Gao; Jing-rui Li PubMed 2011

Other claims from this paper (7)

Intervention effect Hypoxia significantly reduced photosynthetic pigments and photosynthesis in muskmelon seedlings.
Intervention effect GABA increased stomatal conductance, intercellular CO2 concentration and carboxylation efficiency.
Intervention effect GABA increased four PS II fluorescence and electron transport measures.
Intervention effect GABA increased quantum yield of PS II electron transport.
Intervention effect GABA decreased stomatal limitation, minimal fluorescence and non-photochemical quenching.
Observation GABA alleviated photosynthetic impairment more under hypoxia.
Intervention effect Adding VGB diminished the alleviation by GABA under hypoxia.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water deficit decreased dry matter digestibility.

Taxon: Panicum maximum Jacq.Megathyrsus maximuse1
Treatment: wSe0
Outcome: IVDMDe0
Direction: decreasinge0

Not reportedComparator

Verbatim

e0
“reduction in forage quality by increasing fibers, reducing crude protein (CP) and decreasing the IVDMD was also observed by effect of wS”
✓ located verbatim in the source · abstract, characters 1019–1155

e1
“Panicum maximum Jacq. using a temperature‐free air‐controlled enhancement (T‐FACE) system. The wS and eT treatments showed no effects on photosystem II photochemistry. However, wS under ambient temperature decreased net photosynthesis rate ( A ), stomatal conductance ( g s ) and maximum rate of carboxylation of Rubisco ( V cmax ), leading to a reduced starch content in leaves. A 16% reduction in leaf dry mass (LDM) a…” Show full quote
✓ located verbatim in the source · abstract, characters 596–1536

Title

Warming and water deficit impact leaf photosynthesis and decrease forage quality and digestibility of a C4 tropical grass

Eduardo Habermann; Eduardo Augusto Dias de Oliveira; Daniele Ribeiro Contin; et al. Physiologia Plantarum 2018. doi:10.1111/ppl.12891

Other claims from this paper (15)

Intervention effect Water deficit and warming had no effect on photosystem II photochemistry.
Intervention effect Water deficit at ambient temperature decreased net photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Water deficit reduced leaf starch.
Intervention effect Water deficit reduced leaf dry mass by 16%.
Intervention effect Water deficit increased forage fiber.
Intervention effect Water deficit reduced crude protein.
Intervention effect Warming with adequate moisture increased leaf dry mass by 25%.
Intervention effect Warming increased lignin content.
Intervention effect Warming reduced starch, crude protein and digestibility.
Intervention effect Combined warming and water deficit reduced photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Combined warming and water deficit reduced forage quality.
Intervention effect Water deficit raised leaf lignin by 43% versus control.
Intervention effect Warming raised leaf lignin by 28% versus control.
Intervention effect Combined warming and deficit raised leaf lignin by 17% versus control.
Mechanism Raised lignin caused a significant reduction in dry matter digestibility.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The activities of protective enzymes of Liangyiupeijiu increased steadily

Taxon: riceOryza sativae0 e1 e2 e3
Material: Liangyiupeijiue0 e1 e2 e3
Treatment: Cd2+ stresse0 e1 e2 e3
Outcome: activities of protective enzymese0 e1 e2 e3
Direction: increased steadilye0 e1 e2 e3

Not reportedComparator

Verbatim

e0
“The activities of protective enzymes of Liangyiupeijiu increased steadily”
✓ located verbatim in the source · abstract, characters 390–463

e1
“The effects of Cd2+ stress on the protective enzyme, the content of MDA, the photosynthetic characters of rice at the three- leaf stage were studied.”
✓ located verbatim in the source · abstract, characters 0–149

e2
“The activities of protective enzymes of Liangyiupeijiu increased steadily with lower accumulation rate of MDA and less decrease of the photosynthetic rate and electron transport activities of PSⅡ than Shanyou63.”
✓ located verbatim in the source · abstract, characters 390–601

e3
“The results showed that under Cd2+ stress, the electron activity of PS Ⅱ and the photosynthesis rate decreased, the content of MDA increased and the activities of protective enzymes of Shanyou63 increased at first and decreased afterwards.”
✓ located verbatim in the source · abstract, characters 150–389

Title

Resistance Differences Between Two Cultivars Liangyiupeijiu and Shanyou63 Under Cd~(2+) Stress

Gui Wang Journal of Agro-environmental Science 2004

Other claims from this paper (8)

Intervention effect under Cd2+ stress, the electron activity of PS Ⅱ and the photosynthesis rate decreased
Intervention effect under Cd2+ stress, the electron activity of PS Ⅱ and the photosynthesis rate decreased
Intervention effect the content of MDA increased
Intervention effect activities of protective enzymes of Shanyou63 increased at first and decreased afterwards.
Association lower accumulation rate of MDA
Association less decrease of the photosynthetic rate
Association less decrease of the photosynthetic rate and electron transport activities of PSⅡ than Shanyou63
Association Liangyiupeijiu had the stronger resistance to Cd2+ pollution than that of Shanyou63.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Continuous mist for 24 h reduced light-saturated photosynthetic rate in bean leaves to one-half of the control level.

Taxon: Phaseolus vulgarisPhaseolus vulgarise1
Organ / stage: leavese0
Treatment: continuous mist for 24 he0
Outcome: light-saturated photosynthetic ratese0
Direction: decreasede0
Value: one-halfe0
Qualifier: measured at 35 Pa ambient CO2e0
Comparator: control levele0

Verbatim

e0
“After the plants were treated with continuous mist for 24 h and then dried to unwet conditions, light-saturated photosynthetic rates of the leaves measured at 35 Pa ambient CO2 decreased to one-half of the control level. The extractable activity of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) also decreased to the same extent”
✓ located verbatim in the source · abstract, characters 258–598

e1
“chronic inhibition of leaf photosynthesis in Phaseolus vulgaris”
✓ located verbatim in the source · abstract, characters 57–120

Title

The Loss of Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase Caused by 24-Hour Rain Treatment Fully Explains the Decrease in the Photosynthetic Rate in Bean Leaves

M. Ishibashi; H. Usuda; I. Terashima PLANT PHYSIOLOGY 1996. doi:10.1104/pp.111.2.635

Other claims from this paper (3)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Plant growth was decreased by 41% in transformant A-3 and was severely inhibited in plants with under 20% of wild-type aldolase activity.

Taxon: potatoSolanum tuberosume0
Material: A-3e7
Treatment: Antisense expression of a full length cDNA encoding plastid aldolasee0
Outcome: Plant growthe7
Direction: decreasede7
Value: 41%e7
Qualifier: severely inhibited in plants with under 20% of wild-type aldolase activitye7

Not reportedComparator

Verbatim

e0
“Antisense expression of a full length cDNA encoding plastid aldolase led to decreased expression of aldolase at the transcript and protein level in several 'antisense' potato transformants”
✓ located verbatim in the source · abstract, characters 0–188

e7
“Plant growth was not significantly altered in A-70, was decreased by 41% in A-3, and was severely inhibited in plants with under 20% of wild-type aldolase activity”
✓ located verbatim in the source · abstract, characters 1192–1355

Title

A moderate decrease of plastid aldolase activity inhibits photosynthesis, alters the levels of sugars and starch, and inhibits growth of potato plants

Volker Haake; Rita Zrenner; Uwe Sonnewald; et al. The Plant Journal 1998. doi:10.1046/j.1365-313x.1998.00089.x

Other claims from this paper (19)

Intervention effect Antisense expression of plastid aldolase decreased aldolase expression at the transcript and protein level in several potato transformants.
Intervention effect Aldolase activity was decreased by 32-43% in transformant A-70.
Intervention effect Aldolase activity was decreased by 56-71% in transformant A-3.
Intervention effect Aldolase activity was decreased by 79-83% in transformant A-51.
Intervention effect Aldolase activity was decreased by 91-97% in transformant A-2.
Mechanism Q-Sepharose separation showed that the decrease in aldolase activity was due to inhibition of plastid aldolase.
Intervention effect The transformants showed a small increase in Rubisco activity.
Intervention effect The transformants showed a small decrease in phosphoribulokinase activity and larger but subproportional decreases in sedoheptulose-1,7-biphosphatase and plastid fructose-1,6-bisphosphatase activity.
Intervention effect The transformants contained increased triose phosphates.
Intervention effect The transformants contained very low ribulose-1,5-bisphosphate and glycerate-3-phosphate.
Intervention effect Thylakoid energization was increased in the transformants, with photosystem II more reduced.
Intervention effect Starch synthesis was decreased by 16% in transformant A-70.
Intervention effect Starch synthesis was decreased by 36% in transformant A-3.
Intervention effect Sucrose synthesis was less strongly inhibited than starch synthesis in the transformants.
Intervention effect Ambient photosynthesis was inhibited by 10% in transformant A-70.
Intervention effect Ambient photosynthesis was inhibited by 40% in transformant A-3.
Intervention effect Ambient photosynthesis was inhibited by 66% in transformant A-51.
Intervention effect Ambient photosynthesis was inhibited by 85% in transformant A-2.
Intervention effect Plant growth was not significantly altered in transformant A-70.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water deficit reduced crude protein.

Taxon: Panicum maximum Jacq.Megathyrsus maximuse1
Treatment: wSe0
Outcome: crude protein (CP)e0
Direction: reducinge0

Not reportedComparator

Verbatim

e0
“reduction in forage quality by increasing fibers, reducing crude protein (CP) and decreasing the IVDMD was also observed by effect of wS”
✓ located verbatim in the source · abstract, characters 1019–1155

e1
“Panicum maximum Jacq. using a temperature‐free air‐controlled enhancement (T‐FACE) system. The wS and eT treatments showed no effects on photosystem II photochemistry. However, wS under ambient temperature decreased net photosynthesis rate ( A ), stomatal conductance ( g s ) and maximum rate of carboxylation of Rubisco ( V cmax ), leading to a reduced starch content in leaves. A 16% reduction in leaf dry mass (LDM) a…” Show full quote
✓ located verbatim in the source · abstract, characters 596–1536

Title

Warming and water deficit impact leaf photosynthesis and decrease forage quality and digestibility of a C4 tropical grass

Eduardo Habermann; Eduardo Augusto Dias de Oliveira; Daniele Ribeiro Contin; et al. Physiologia Plantarum 2018. doi:10.1111/ppl.12891

Other claims from this paper (15)

Intervention effect Water deficit and warming had no effect on photosystem II photochemistry.
Intervention effect Water deficit at ambient temperature decreased net photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Water deficit reduced leaf starch.
Intervention effect Water deficit reduced leaf dry mass by 16%.
Intervention effect Water deficit increased forage fiber.
Intervention effect Water deficit decreased dry matter digestibility.
Intervention effect Warming with adequate moisture increased leaf dry mass by 25%.
Intervention effect Warming increased lignin content.
Intervention effect Warming reduced starch, crude protein and digestibility.
Intervention effect Combined warming and water deficit reduced photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Combined warming and water deficit reduced forage quality.
Intervention effect Water deficit raised leaf lignin by 43% versus control.
Intervention effect Warming raised leaf lignin by 28% versus control.
Intervention effect Combined warming and deficit raised leaf lignin by 17% versus control.
Mechanism Raised lignin caused a significant reduction in dry matter digestibility.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Water deficit and warming had no effect on photosystem II photochemistry.

Taxon: Panicum maximum Jacq.Megathyrsus maximuse1
Treatment: wS and eT treatmentse0
Outcome: photosystem II photochemistrye0
Direction: no effectse0

Not reportedComparator

Verbatim

e0
“The wS and eT treatments showed no effects on photosystem II photochemistry”
✓ located verbatim in the source · abstract, characters 687–762

e1
“Panicum maximum Jacq. using a temperature‐free air‐controlled enhancement (T‐FACE) system. The wS and eT treatments showed no effects on photosystem II photochemistry. However, wS under ambient temperature decreased net photosynthesis rate ( A ), stomatal conductance ( g s ) and maximum rate of carboxylation of Rubisco ( V cmax ), leading to a reduced starch content in leaves. A 16% reduction in leaf dry mass (LDM) a…” Show full quote
✓ located verbatim in the source · abstract, characters 596–1536

Title

Warming and water deficit impact leaf photosynthesis and decrease forage quality and digestibility of a C4 tropical grass

Eduardo Habermann; Eduardo Augusto Dias de Oliveira; Daniele Ribeiro Contin; et al. Physiologia Plantarum 2018. doi:10.1111/ppl.12891

Other claims from this paper (15)

Intervention effect Water deficit at ambient temperature decreased net photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Water deficit reduced leaf starch.
Intervention effect Water deficit reduced leaf dry mass by 16%.
Intervention effect Water deficit increased forage fiber.
Intervention effect Water deficit reduced crude protein.
Intervention effect Water deficit decreased dry matter digestibility.
Intervention effect Warming with adequate moisture increased leaf dry mass by 25%.
Intervention effect Warming increased lignin content.
Intervention effect Warming reduced starch, crude protein and digestibility.
Intervention effect Combined warming and water deficit reduced photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Combined warming and water deficit reduced forage quality.
Intervention effect Water deficit raised leaf lignin by 43% versus control.
Intervention effect Warming raised leaf lignin by 28% versus control.
Intervention effect Combined warming and deficit raised leaf lignin by 17% versus control.
Mechanism Raised lignin caused a significant reduction in dry matter digestibility.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Water deficit raised leaf lignin by 43% versus control.

Taxon: Panicum maximum Jacq.Megathyrsus maximuse1
Treatment: wSe0
Outcome: lignin content in leavese0
Direction: increasede0
Comparator: controle1

Verbatim

e0
“the lignin content in leaves increased by 43, 28 and 17% in wS , eT and wSeT , respectively”
✓ located verbatim in the source · abstract, characters 1445–1536

e1
“Panicum maximum Jacq. using a temperature‐free air‐controlled enhancement (T‐FACE) system. The wS and eT treatments showed no effects on photosystem II photochemistry. However, wS under ambient temperature decreased net photosynthesis rate ( A ), stomatal conductance ( g s ) and maximum rate of carboxylation of Rubisco ( V cmax ), leading to a reduced starch content in leaves. A 16% reduction in leaf dry mass (LDM) a…” Show full quote
✓ located verbatim in the source · abstract, characters 596–1536

Title

Warming and water deficit impact leaf photosynthesis and decrease forage quality and digestibility of a C4 tropical grass

Eduardo Habermann; Eduardo Augusto Dias de Oliveira; Daniele Ribeiro Contin; et al. Physiologia Plantarum 2018. doi:10.1111/ppl.12891

Other claims from this paper (15)

Intervention effect Water deficit and warming had no effect on photosystem II photochemistry.
Intervention effect Water deficit at ambient temperature decreased net photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Water deficit reduced leaf starch.
Intervention effect Water deficit reduced leaf dry mass by 16%.
Intervention effect Water deficit increased forage fiber.
Intervention effect Water deficit reduced crude protein.
Intervention effect Water deficit decreased dry matter digestibility.
Intervention effect Warming with adequate moisture increased leaf dry mass by 25%.
Intervention effect Warming increased lignin content.
Intervention effect Warming reduced starch, crude protein and digestibility.
Intervention effect Combined warming and water deficit reduced photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Combined warming and water deficit reduced forage quality.
Intervention effect Warming raised leaf lignin by 28% versus control.
Intervention effect Combined warming and deficit raised leaf lignin by 17% versus control.
Mechanism Raised lignin caused a significant reduction in dry matter digestibility.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Warming raised leaf lignin by 28% versus control.

Taxon: Panicum maximum Jacq.Megathyrsus maximuse1
Treatment: eTe0
Outcome: lignin content in leavese0
Direction: increasede0
Value: 28e0
Comparator: controle1

Verbatim

e0
“the lignin content in leaves increased by 43, 28 and 17% in wS , eT and wSeT , respectively”
✓ located verbatim in the source · abstract, characters 1445–1536

e1
“Panicum maximum Jacq. using a temperature‐free air‐controlled enhancement (T‐FACE) system. The wS and eT treatments showed no effects on photosystem II photochemistry. However, wS under ambient temperature decreased net photosynthesis rate ( A ), stomatal conductance ( g s ) and maximum rate of carboxylation of Rubisco ( V cmax ), leading to a reduced starch content in leaves. A 16% reduction in leaf dry mass (LDM) a…” Show full quote
✓ located verbatim in the source · abstract, characters 596–1536

Title

Warming and water deficit impact leaf photosynthesis and decrease forage quality and digestibility of a C4 tropical grass

Eduardo Habermann; Eduardo Augusto Dias de Oliveira; Daniele Ribeiro Contin; et al. Physiologia Plantarum 2018. doi:10.1111/ppl.12891

Other claims from this paper (15)

Intervention effect Water deficit and warming had no effect on photosystem II photochemistry.
Intervention effect Water deficit at ambient temperature decreased net photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Water deficit reduced leaf starch.
Intervention effect Water deficit reduced leaf dry mass by 16%.
Intervention effect Water deficit increased forage fiber.
Intervention effect Water deficit reduced crude protein.
Intervention effect Water deficit decreased dry matter digestibility.
Intervention effect Warming with adequate moisture increased leaf dry mass by 25%.
Intervention effect Warming increased lignin content.
Intervention effect Warming reduced starch, crude protein and digestibility.
Intervention effect Combined warming and water deficit reduced photosynthesis, stomatal conductance and Rubisco carboxylation.
Intervention effect Combined warming and water deficit reduced forage quality.
Intervention effect Water deficit raised leaf lignin by 43% versus control.
Intervention effect Combined warming and deficit raised leaf lignin by 17% versus control.
Mechanism Raised lignin caused a significant reduction in dry matter digestibility.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SA pretreatment increased rate of electron transport beyond QA¯ (ET0/RC) during AL stress.

Taxon: TobaccoNicotiana tabacumt0
Treatment: SA pretreatmente0
Outcome: rate of electron transport beyond QA¯ (ET0/RC)e0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“The SA pretreatment reduced the inhibitory effect of AL on the PSII activity and photosynthesis, as indicated by the increase in the maximum quantum efficiency of PSII (Fv/Fm), the performance index on the absorption basis (PIabs), the observed rate of QA reduction (TR0/RC), the rate of electron transport beyond QA¯ (ET0/RC) and the efficiency in which an absorbed photon results in electron transport beyond QA¯ (ET0/…” Show full quote
✓ located verbatim in the source · abstract, characters 602–1131

t0
“Tobacco Seedlings”
✓ located verbatim in the source · title, characters 54–71

Title

Salicylic Acid Pretreatment Improves the Tolerance of Tobacco Seedlings to Alternation of Light/Dark Periods Stress

Majd Darwish Jordan Journal of Agricultural Sciences 2018

Other claims from this paper (13)

Intervention effect AL treatment decreased PSII activity.
Intervention effect AL treatment increased hydrogen peroxide (H2O2).
Intervention effect AL treatment increased lipid peroxidation.
Intervention effect SA treatment enhanced growth parameters.
Intervention effect SA pretreatment increased PSII activity during AL stress.
Intervention effect SA pretreatment increased photosynthesis during AL stress.
Intervention effect SA pretreatment increased maximum quantum efficiency of PSII (Fv/Fm) during AL stress.
Intervention effect SA pretreatment increased performance index on the absorption basis (PIabs) during AL stress.
Intervention effect SA pretreatment increased observed rate of QA reduction (TR0/RC) during AL stress.
Intervention effect SA pretreatment increased efficiency in which an absorbed photon results in electron transport beyond QA¯ (ET0/ABS) during AL stress.
Intervention effect SA pretreatment decreased energy dissipation as heat (DI0/RC) during AL stress.
Intervention effect SA pretreatment decreased H2O2 during AL stress.
Intervention effect SA pretreatment decreased MDA during AL stress.

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“decrease of the photosynthesis”

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