Search claims · PlantClaims

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.

Mechanismobservedoriginal resultnegativemeasured

Claim · model-written summary

Changes in photosynthesis, respiration and triose-P utilization explain the biomass decrease.

Taxon: Lotus japonicusLotus japonicust0
Outcome: decrease in plant biomasse0
Qualifier: Changes in photosynthesis, respiration and triose-P utilizatione0

Verbatim

e0
“Changes in photosynthesis, respiration and triose-P utilization explain the decrease in plant biomass”
✓ located verbatim in the source · abstract, characters 1211–1312

t0
“Lotus japonicus”
✓ located verbatim in the source · title, characters 66–81

Title

The effects of limiting phosphate on photosynthesis and growth of Lotus japonicus

Rochelle Thuynsma; Aleysia Kleinert; Jens Kossmann; et al. South African Journal of Botany 2016. doi:10.1016/j.sajb.2016.03.001

Other claims from this paper (8)

Intervention effect Phosphate deprivation decreased plant biomass.
Intervention effect Phosphate deprivation decreased overall photosynthetic reactions.
Intervention effect Phosphate deprivation decreased the photosynthesis:respiration ratio.
Intervention effect Phosphate deprivation decreased triose-P utilization.
Intervention effect The root:shoot ratio showed no significant increase under phosphate deprivation.
Intervention effect Direct photosynthetic measurements showed no significant decrease under phosphate deprivation.
Intervention effect Direct respiration measurements showed no significant decrease under phosphate deprivation.
Mechanism Consistent allocation to roots and shoots could explain the root:shoot result.

Associationobservedoriginal resultmeasured

Claim · model-written summary

The photosynthesis decrease was unrelated to increased glucose and fructose.

Taxon: treese0 t0
Compound: glucose and fructosee0 t0
Outcome: photosynthesise0 t0
Direction: unrelatede0 t0

Not reportedComparator

Verbatim

e0
“the decrease in photosynthesis was unrelated to the increase in glucose and fructose content.”
✓ located verbatim in the source · abstract, characters 1466–1559

t0
“trees”
✓ located verbatim in the source · title, characters 123–128

Title

Carbohydrate regulation of photosynthesis and respiration from branch girdling in four species of wet tropical rain forest trees

S. Asao; M. G. Ryan Tree Physiology 2015. doi:10.1093/treephys/tpv025

Other claims from this paper (9)

Intervention effect Girdling intensity caused no consistent or strong leaf carbohydrate response.
Intervention effect Glucose and fructose increased slightly by 3.4% per quarter girdle in all species.
Intervention effect Total carbon content increased 5.4% per quarter girdle in one species.
Intervention effect Leaf mass per area increased 5.5% per quarter girdle in one species.
Intervention effect Starch did not change with girdling.
Intervention effect Full girdling lowered photosynthesis in three of four species by 59-69%.
Intervention effect Girdling did not affect respiration.
Intervention effect Three-quarter phloem removal did not alter carbohydrates, photosynthesis, or respiration in three species.
Recommendation Authors recommend avoiding girdling for carbohydrate-regulation studies.

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors conclude that the decrease in chlorophyll content and stomatal closure lead to decreased photosynthesis under NaCl.

Taxon: cucumberCucumis sativust0
Outcome: plant photosynthesise0
Qualifier: the decrease of chlorophyll content and stomatal closuree0

Verbatim

e0
“the decrease of chlorophyll content and stomatal closure lead to the decrease of plant photosynthesis”
✓ located verbatim in the source · abstract, characters 800–901

t0
“CUCUMBER SEEDLING”
✓ located verbatim in the source · title, characters 81–98

Title

EFFECTS OF NACL STRESS ON PLANT GROWTH AND PHOTOSYNTHETIC CHARACTERISTICS IN THE CUCUMBER SEEDLING

Zhifen Zeng 2014

Other claims from this paper (7)

Intervention effect Treatment with 10 mmol/L NaCl increased cucumber seedling growth.
Intervention effect High-level NaCl (25 mmol/L and above) decreased plant biomass, net photosynthetic rate and stomatal conductance in cucumber seedlings.
Intervention effect High-level NaCl (25 mmol/L and above) decreased intracellular CO2, quantum yield of PSII and chlorophyll content in cucumber seedlings.
Intervention effect Stomatal limitation, proline and MDA contents increased with the NaCl concentration in cucumber seedlings.
Intervention effect Photochemical efficiency of PSII (Fv/Fm) was not affected by NaCl treatment.
Intervention effect Photosynthetic structure was not damaged by NaCl stress up to 100 mmol/L.
Mechanism Cucumber seedlings could improve their salt tolerance by increasing proline content.

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The decrease in RuBP could contribute to the drought-induced decrease in photosynthesis, at least in C. dactylon and Z. japonica.

Taxon: C. dactylonCynodon dactylone0
Compound: RuBPe0
Outcome: drought-induced decrease in photosynthesise0
Qualifier: at least in C. dactylon and Z. japonicae0

Verbatim

e0
“The magnitude of the decrease in RuBP suggested that, at least in C. dactylon and Z. japonica, it could contribute to the drought-induced decrease in photosynthesis”
✓ located verbatim in the source · abstract, characters 1566–1730

Title

Rubisco activities, properties, and regulation in three different C4 grasses under drought

A. Elizabete Carmo-Silva; Alfred J. Keys; P. John Andralojc; et al. Journal of Experimental Botany 2010. doi:10.1093/jxb/erq071

Other claims from this paper (9)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthesis tended to decrease under N deficiency but contributed little to reduced carbon gain.

Taxon: grapevineVitist0
Treatment: N deficiencye0
Outcome: photosynthesis ratee0
Direction: decreasee0

Verbatim

e0
“photosynthesis rate tended to decrease under N deficiency over the season, it only poorly contributed to the reduction in C gain”
✓ located verbatim in the source · abstract, characters 2580–2708

t0
“grapevine”
✓ located verbatim in the source · title, characters 21–30

Title

Gradual responses of grapevine yield components and carbon status to nitrogen supply

Sylvain Vrignon-Brenas; Metay Aurélie; Leporatti Romain; et al. OENO One 2019. doi:10.20870/oeno-one.2019.53.2.2431

Other claims from this paper (13)

Intervention effect Under low nitrogen, SPAD declined from 31 to 16 in the first year.
Intervention effect In year two, SPAD was 40 at 160N and 19 at 0N after budburst.
Observation SPAD differences among nitrogen treatments persisted through 2018 harvest.
Intervention effect Berry number per inflorescence ranged from 180 at 80N to 34 at 0N.
Intervention effect Individual berry dry matter increased from 0.13 at 160N to 0.41 g at 0N.
Association Lower N reduced carbon gain mainly through leaf area reduction before flowering.
Association Whole-plant carbon growth fell with declining nitrogen status by -1.13% at harvest.
Association Shoot dry matter was inhibited before veraison by -1.81%.
Association Berry dry matter was lower by -0.80% at harvest.
Association Trunk dry matter was lower by -0.42% at harvest.
Association Root dry matter was lower by -0.84% at harvest.
Association Lower root starch reserves were associated with root dry matter reduction at harvest.
Intervention effect Starch reserves tended to be higher under organic than mineral nitrogen supply.

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.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

M. hupehensis had the smallest photosynthesis rate decrease, 7.06%.

Taxon: M.hupehensis Rehd.Malus hupehensise0
Outcome: photosynthesis ratee0
Direction: decreasee0
Value: 7.06%e0

Not reportedTreatmentComparator

Verbatim

e0
“M.hupehensis Rehd.exhibited the lowest decrease in photosynthesis rate,chlorophyll and carotinoid contents,i.e.7.06%,9.15%and 8.17%,respectively.”
✓ located verbatim in the source · abstract, characters 436–581

Title

Study on the Difference of Adaptability to Replant Soil in Five Apple Rootstock Seedlings

Yuanzheng Wang Acta Horticulturae Sinica 2011

Other claims from this paper (11)

Intervention effect Replant soil reduced photosynthesis rate and leaf phytochrome content in all rootstocks.
Intervention effect M. hupehensis had the smallest chlorophyll decrease, 9.15%.
Intervention effect M. hupehensis had the smallest carotenoid decrease, 8.17%.
Intervention effect Replant soil increased root antioxidant enzymes and malondialdehyde in apple rootstocks.
Intervention effect M. hupehensis root SOD activity increased by 3.72%, the smallest increase.
Intervention effect M. hupehensis root POD activity increased by 26.60%, the smallest increase.
Intervention effect M. hupehensis root CAT activity increased by 23.78%, the smallest increase.
Intervention effect M. hupehensis root MDA content increased by 15.24%.
Intervention effect M. micromalus had the greatest MDA increase, 54.56%.
Intervention effect Replant conditions reduced biomass, height and ground diameter in all five rootstocks.
Observation M. hupehensis had the best tolerance to apple replant disease among the tested rootstocks.

“decrease of the photosynthesis”

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