Try:droughtFusariumnitrogen fertilizerArabidopsisseed germination

“decrease of the photosynthesis”

213 matches

Claim types

Direction of the findings

plus 76 non-evaluative

Over time

1950 ’60 ’70 ’80 ’90 2000 ’10 ’20

Refine ·

More filters

Clear filters

Organism: Oryza sativa ✕

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Net photosynthesis showed no obvious decrease as temperature rose.

Taxon: RiceOryza sativat0
Treatment: temperature risinge0
Outcome: net photosynthesise0
Direction: no obvious decreasee0

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 88–92

e0
“no obvious decrease pattern in net photosynthesis appeared along with the temperature rising”
✓ located verbatim in the source · abstract, characters 407–499

Title

Influence of High Temperature Stress on Net Photosynthesis, Dry Matter Partitioning and Rice Grain Yield at Flowering and Grain Filling Stages

Guo-hua LÜ; Yong-feng WU; Wen-bo BAI; et al. Journal of Integrative Agriculture 2013. doi:10.1016/s2095-3119(13)60278-6

Other claims from this paper (6)

Intervention effect High temperature changed dry matter allocation among leaf, sheath, culm and panicle.
Intervention effect Panicle dry weight decreased under high temperature stress.
Intervention effect Straw share of aboveground dry weight rose 6–34% from CK.
Intervention effect Grain yield fell significantly by 15 to 73% across heat treatments.
Intervention effect Heat at flowering affected grain yield more seriously than heat at grain filling.
Intervention effect High temperature stress negatively affected harvest index.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The decrease of diffusive conductance was more effective than the decrease of photosynthetic activity in lowering photosynthesis under high vapor pressure deficit.

Taxon: riceOryza sativat0
Treatment: high vapor pressure deficite6
Outcome: decrease of photosynthesise6
Qualifier: decreasing of diffusive conductance was more effectivee6

Verbatim

t0
“photosynthesis of rice leaves”
✓ located verbatim in the source · title, characters 36–65

e6
“the decreasing of diffusive conductance was more effective on the decrease of photosynthesis under high vapor pressure deficit than the decreasing of photosynthetic activity”
✓ located verbatim in the source · abstract, characters 2282–2455

Title

Effect of vapor pressure deficit on photosynthesis of rice leaves with reference to light and CO2 utilization efficiency.

Kuniyuki SAITOH; Kuni ISHIHARA Japanese Journal of Crop Science 1987. doi:10.1626/jcs.56.163

Other claims from this paper (12)

Intervention effect Transpiration rate increased rapidly as vapor pressure deficit changed from low to high.
Intervention effect Photosynthetic rate decreased as vapor pressure deficit changed from low to high.
Intervention effect Diffusive conductance decreased as vapor pressure deficit changed from low to high.
Intervention effect Intercellular CO2 concentration decreased as vapor pressure deficit changed from low to high.
Intervention effect Light utilization efficiency decreased under high vapor pressure deficit.
Intervention effect CO2 utilization efficiency decreased under high vapor pressure deficit.
Association Intercellular CO2 concentration decreased with photosynthetic rate and diffusive conductance under high vapor pressure deficit.
Intervention effect Under high vapor pressure deficit the slope between ambient CO2 and intercellular CO2 was smaller than under low vapor pressure deficit.
Association Photosynthetic rate is hyperbolically related to diffusive conductance.
Association Intercellular CO2 concentration is hyperbolically related to diffusive conductance.
Association Transpiration rate is linearly related to diffusive conductance.
Intervention effect Water use efficiency could be increased if diffusive conductance were decreased without decreasing mesophyll photosynthetic activity.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis decrease under elevated CO2 was associated with lower leaf Rubisco.

Taxon: riceOryza sativae1
Gene: Rubiscoe0
Outcome: decrease of photosynthesise0
Direction: decreasee0
Qualifier: elevated [CO2]e0

Verbatim

e0
“The decrease of photosynthesis by elevated [CO2] of plants was associated with decreased leaf Rubisco content and N content.”
✓ located verbatim in the source · abstract, characters 804–928

e1
“rice (Oryza sativa L.)”
✓ located verbatim in the source · abstract, characters 195–217

Title

Effect of panicle removal on photosynthetic acclimation under elevated CO₂ in rice

H. Shimono; K. Suzuki; K. Aoki; et al. Photosynthetica 2010. doi:10.1007/s11099-010-0070-z

Other claims from this paper (7)

Intervention effect Panicle removal alleviated decline in green leaf area, chlorophyll and Rubisco after heading.
Intervention effect Elevated CO2 decreased photosynthesis in panicle-removed rice.
Association The CO2 by panicle-removal interaction for photosynthesis was not significant.
Association Photosynthesis decrease under elevated CO2 was associated with lower leaf nitrogen.
Intervention effect Panicle removal increased leaf glucose.
Intervention effect Elevated CO2 increased leaf glucose.
Intervention effect Sink limitation improved leaf nitrogen status.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis decrease under elevated CO2 was associated with lower leaf nitrogen.

Taxon: riceOryza sativae1
Compound: Ne0
Outcome: decrease of photosynthesise0
Direction: decreasee0
Qualifier: elevated [CO2]e0

Verbatim

e0
“The decrease of photosynthesis by elevated [CO2] of plants was associated with decreased leaf Rubisco content and N content.”
✓ located verbatim in the source · abstract, characters 804–928

e1
“rice (Oryza sativa L.)”
✓ located verbatim in the source · abstract, characters 195–217

Title

Effect of panicle removal on photosynthetic acclimation under elevated CO₂ in rice

H. Shimono; K. Suzuki; K. Aoki; et al. Photosynthetica 2010. doi:10.1007/s11099-010-0070-z

Other claims from this paper (7)

Intervention effect Panicle removal alleviated decline in green leaf area, chlorophyll and Rubisco after heading.
Intervention effect Elevated CO2 decreased photosynthesis in panicle-removed rice.
Association The CO2 by panicle-removal interaction for photosynthesis was not significant.
Association Photosynthesis decrease under elevated CO2 was associated with lower leaf Rubisco.
Intervention effect Panicle removal increased leaf glucose.
Intervention effect Elevated CO2 increased leaf glucose.
Intervention effect Sink limitation improved leaf nitrogen status.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

High temperature caused a more severe decrease in steady-state rice photosynthesis under low nitrogen.

Taxon: riceOryza sativae0
Treatment: high temperaturee1
Outcome: steady-state photosynthesis (Asteady)e1
Direction: decreasee1
Qualifier: LN conditionse1

Not reportedComparator

Verbatim

e0
“rice plants”
✓ located verbatim in the source · abstract, characters 449–460

e1
“a more severe decrease in steady-state photosynthesis (Asteady) under high temperature in the LN conditions.”
✓ located verbatim in the source · abstract, characters 926–1034

Title

Nitrogen Can Alleviate the Inhibition of Photosynthesis Caused by High Temperature Stress under Both Steady-State and Flecked Irradiance

Guanjun Huang; Qiangqiang Zhang; Xinghai Wei; et al. Frontiers in Plant Science 2017. doi:10.3389/fpls.2017.00945

Other claims from this paper (8)

Intervention effect High temperature increased rice leaf hydraulic conductance under high nitrogen supply.
Intervention effect High temperature did not significantly increase rice leaf hydraulic conductance under low nitrogen supply.
Mechanism Improved hydraulic conductance maintained leaf water potential and steady-state stomatal conductance under high nitrogen.
Intervention effect Under low nitrogen, high temperature decreased rice leaf water potential and steady-state stomatal conductance.
Intervention effect High temperature delayed recovery of rice photosynthesis under flecked irradiance.
Intervention effect High temperature caused more carbon loss under flecked irradiance in rice.
Intervention effect Heat effects on rice photosynthesis under flecked irradiance were less pronounced under high nitrogen than low nitrogen.
Mechanism Nitrogen can alleviate heat inhibition of rice photosynthesis under steady-state and flecked irradiance.

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The decrease in canopy leaf nitrogen may eventually hasten the CO2 stimulation decline in canopy photosynthesis.

Taxon: RiceOryza sativat0
Compound: Leaf nitrogene0
Outcome: hasten CO 2 stimulation on canopy photosynthesise0

Verbatim

e0
“Leaf nitrogen in the canopy level decreased with CO 2 concentration and may eventually hasten CO 2 stimulation on canopy photosynthesis”
✓ located verbatim in the source · abstract, characters 1575–1710

t0
“Rice”
✓ located verbatim in the source · title, characters 90–94

Title

Effects of Elevated CO 2 and High Temperature on Single Leaf and Canopy Photosynthesis of Rice

Lin Wei Zhiwu xuebao 1999

Other claims from this paper (15)

Intervention effect High CO2 and temperature had a synergetic stimulating effect on single leaf photosynthetic rate until grain filling.
Intervention effect Leaf photosynthesis was stimulated by high CO2.
Intervention effect The stimulation of leaf photosynthesis by CO2 was decreased by higher temperature at grain filling stage.
Observation The stimulation of canopy photosynthesis by elevated CO2 leveled off with time.
Observation Stimulation at canopy level disappeared by grain filling stage in both temperature treatments.
Intervention effect Green leaf area index was not significantly affected by CO2 at maturity.
Intervention effect Green leaf area index was greater in plants grown at higher temperature.
Intervention effect Leaf nitrogen content decreased with increasing CO2 concentration, although the decrease was not statistically significant at maturity.
Observation Canopy respiration rate increased at flowering stage.
Observation Shading effect caused by leaf development reached maximum at flowering stage.
Observation CO2 stimulation of photosynthesis was greater in single leaf than in canopy.
Intervention effect Enhanced CO2 significantly increased biomass of rice stems and panicles.
Mechanism Increase in canopy respiration is asserted to have caused diminishment of CO2 stimulation in canopy net photosynthesis.
Observation Leaf nitrogen in the canopy decreased with CO2 concentration.
Mechanism Early senescence of canopy leaves in high CO2 is suggested as a possible additional cause.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Elevated ozone reduced CO2 usage efficiency during rice photosynthesis.

Taxon: RiceOryza sativat0
Treatment: elevated ozone concentrationse0
Outcome: CO2 usage efficiencye0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 32–36

e0
“the decrease in CO2 usage efficiency on the photosynthesis of rice under the exposure of elevated ozone concentrations”
✓ located verbatim in the source · abstract, characters 1075–1193

Title

Influences of Elevated Ozone on Rice Photosynthesis and Yield

Feixiang Zheng; Xiaoke Wang; Weiwei Zhang; et al. Nongye huanjing kexue xuebao 2009

Other claims from this paper (6)

Intervention effect O1 and O2 ozone treatments markedly lowered rice photosynthetic pigment content versus CF.
Intervention effect Ozone accelerated rice leaf senescence.
Intervention effect Elevated ozone significantly decreased the CO2 saturated rate of photosynthesis, stomatal conductance and water usage efficiency.
Intervention effect Elevated ozone significantly decreased stomal limit value and carboxylation efficiency.
Observation Rice was most ozone-sensitive at grain filling.
Association Rice yield loss reached 10% at AOT40 of 2.32 μL.L-.1h.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

A slight decrease in apparent photosynthesis was observed even at 0.1 ppm ozone.

Taxon: corn, rice and peanut plantsArachis hypogaea Oryza sativaZea mays subsp. mayse1
Treatment: 0.1 ppme2
Outcome: Apparent photosynthesise0
Direction: slight decreasee2

Not reportedComparator

Verbatim

e0
“Apparent photosynthesis of 3 kinds of plant used in this experiment decreased to a considerable extent when exposed to a higher concentration than 0.5 ppm”
✓ located verbatim in the source · abstract, characters 372–526

e1
“the visible injuries to corn, rice and peanut plants”
✓ located verbatim in the source · abstract, characters 318–370

e2
“although a slight decrease was observed even at 0.1 ppm”
✓ located verbatim in the source · abstract, characters 528–583

Title

Studies on the Mechanism of Injurious Effects of Toxic Gases on Crop plants : XIII. Effects of ozone in the air on the apparent photosynthesis of corn, rice and peanut plants

Tetsuro TANIYAMA; Kazumi YAMASHITA; Tonao KOIKE Japanese Journal of Crop Science 1976. doi:10.1626/jcs.45.9

Other claims from this paper (10)

Intervention effect Apparent photosynthesis of corn, rice and peanut decreased markedly at ozone above 0.5 ppm.
Intervention effect Ozone-lowered photosynthesis rate and its extent followed the order peanut > rice > corn.
Observation Visible injury followed the same order: peanut > rice > corn.
Intervention effect Photosynthesis of corn did not fully recover within 2 hours after ozone treatment stopped.
Intervention effect Photosynthesis of rice showed a clear trend to recover after ozone treatment stopped.
Intervention effect Photosynthesis of peanut did not recover and kept decreasing for 1 hour after ozone treatment stopped.
Observation Peanut photosynthesis decreased in proportion to the increase in visible injury.
Observation Visible injuries appeared in rice when photosynthesis had decreased by 70%.
Observation Visible injuries appeared in corn when photosynthesis had decreased by 65%.
Observation Degrees of invisible injury, judged from photosynthetic rate under ozone, ranked rice > corn > peanut.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Smaller guard cells may account for decreased leaf photosynthesis.

Taxon: riceOryza sativat0
Outcome: leaf photosynthesise0
Direction: decreasee0
Qualifier: This anatomical characteristice0

Verbatim

e0
“This anatomical characteristic may account for the observed decrease in leaf photosynthesis”
✓ located verbatim in the source · abstract, characters 913–1004

t0
“mutant of rice”
✓ located verbatim in the source · title, characters 54–68

Title

Decreased photosynthesis in the erect panicle 3 (ep3) mutant of rice is associated with reduced stomatal conductance and attenuated guard cell development

Hongyang Yu; Erik H. Murchie; Zinnia H. González-Carranza; et al. Journal of Experimental Botany 2015. doi:10.1093/jxb/eru525

Other claims from this paper (7)

Intervention effect Rice EP3 functionally complemented the Arabidopsis hws-1 flower phenotype.
Observation Os02g15950 loss-of-function mutants had erect inflorescences.
Observation Os02g15950 loss-of-function mutants had lower leaf photosynthetic capacity and stomatal conductance.
Observation Rubisco content was unaltered in the mutants.
Observation Mesophyll size and arrangement did not notably change.
Observation ep3 mutant plants had smaller guard cells than wild-type controls.
Observation Os02g15950 T-DNA insertion lines had smaller guard cells than wild-type controls.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower soil moisture reduced photosynthesis, with varietal variation.

Taxon: RiceOryza sativat0
Treatment: decrease in soil moisture contente0
Outcome: rate of photosynthesise0
Direction: reducede0
Qualifier: to a varying degree in the varietiese0

Not reportedComparator

Verbatim

e0
“A decrease in soil moisture content reduced the rate of photosynthesis to a varying degree in the varieties”
✓ located verbatim in the source · abstract, characters 201–308

t0
“Rice”
✓ located verbatim in the source · title, characters 36–40

Title

Photosynthesis and Transpiration in Rice as Influenced by Soil Moisture and Air Humidity

M. K. SINGH; T. SASAHARA Annals of Botany 1981. doi:10.1093/oxfordjournals.aob.a086155

Other claims from this paper (5)

Mechanism The authors attributed reduced photosynthesis to increased CO2 diffusion resistance.
Intervention effect Lower air humidity intensified the effect of low soil moisture on photosynthesis and CO2 diffusion.
Intervention effect High humidity reduced the effect of soil moisture deficiency except in Rikuto Norin 21.
Intervention effect Dry air increased transpiration, less so with simultaneous root water crisis.
Intervention effect Under flooded conditions, lower humidity slightly depressed photosynthesis.

Lexical search (BM25). All words must match; if nothing does, any word. Organism names also match every spelling of the same organism. No semantic search yet.

“decrease of the photosynthesis”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics