Try:droughtFusariumnitrogen fertilizerArabidopsisseed germination

“decrease of the photosynthesis”

14 matches

Claim types

Direction of the findings

plus 1 non-evaluative

Over time

1960 ’70 ’80 ’90 2000 ’10 ’20

Refine ·

More filters

Clear filters

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

IRGA did not significantly decrease net photosynthesis at the tested moisture range.

Taxon: Bazzania trilobataBazzania trilobatae2
Treatment: IRGA processe1
Outcome: net photosynthesise0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“did not cause a significant decrease in net photosynthesis within this range”
✓ located verbatim in the source · abstract, characters 1402–1478

e1
“The drying effect of the IRGA process”
✓ located verbatim in the source · abstract, characters 1099–1136

e2
“Colonies of Bazzania trilobata (L.) S. Gray”
✓ located verbatim in the source · abstract, characters 0–43

Title

Recovery ofBazzania trilobatafollowing desiccation

Mary C. Sollows; Katherine A. Frego; Christopher Norfolk The Bryologist 2001. doi:10.1639/0007-2745(2001)104[0421:robtfd]2.0.co;2

Other claims from this paper (13)

Observation Field-dried shoots remained viable and elongated during recovery, but did not attain control activity.
Observation Field-dried shoots shifted hue after recovery but did not match controls.
Observation Field-dried shoots regained positive net photosynthesis after recovery, below controls.
Observation Saturated shoots had moisture content of 1296.4% by weight.
Intervention effect IRGA caused about 40% moisture loss from initially moist shoots.
Observation Control shoot moisture declined about 40% during IRGA and then gradually in recovery.
Observation Control shoot net carbon gain declined over the study.
Intervention effect Dried shoot moisture content fell an order of magnitude across treatments.
Observation Dried shoot moisture returned near control levels after recovery.
Intervention effect Drying reduced net photosynthesis to zero.
Observation Net photosynthesis did not resume after rehydration.
Mechanism The authors suggest field drying is less severe or prolonged than laboratory drying.
Mechanism The authors suggest colony form shields inner shoots from severe exposure.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Heavy water did not significantly decrease the on-line carbon isotope discrimination associated with photosynthesis in Xanthium strumarium.

Taxon: Xanthium strumarium L.Xanthium strumariume1
Treatment: heavy watere1
Outcome: on-line carbon isotope discrimination (Δ13C, or Δobs)e1
Direction: not significantly decreasede1

Not reportedComparator

Verbatim

e1
“Using 12C/13C stable isotope techniques and Xanthium strumarium L. leaves, we show that the on-line carbon isotope discrimination (Δ13C, or Δobs) associated with photosynthesis is not significantly decreased by heavy water”
✓ located verbatim in the source · abstract, characters 436–658

Title

On the effect of heavy water (D2O) on carbon isotope fractionation in photosynthesis

Guillaume Tcherkez; Graham D. Farquhar Functional Plant Biology 2008. doi:10.1071/fp07282

Other claims from this paper (4)

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

The decrease in 100-seed weight was not significant.

Taxon: soybeanGlycine maxt0
Outcome: 100-seed weighte0
Direction: decreasee0

Not reportedTreatmentComparator

Verbatim

e0
“The decrease of 100-seed weight of soybean was not significant(P0.05)”
✓ located verbatim in the source · abstract, characters 610–679

t0
“Soybean”
✓ located verbatim in the source · title, characters 43–50

Title

Effects of Elevated Ozone Concentration on Soybean Photosynthesis and Yield

Shuang Huang Dadou kexue 2009

Other claims from this paper (6)

Intervention effect Elevated ozone significantly reduced Pn.
Intervention effect Gs, Ci and Tr rose initially and then declined.
Intervention effect Elevated ozone lowered leaf Chla, Chlb, Chl(a+b) and Chla/b relative to control.
Intervention effect Grain weight per plant significantly decreased.
Intervention effect Grains per plant significantly decreased.
Mechanism Authors interpret elevated ozone as reducing flowers and inhibiting pollen fertilization, contributing to yield loss.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Water stress caused only a slight, non-significant decrease of carbohydrate export from the fed leaves.

Taxon: Vitis viniferaVitis viniferat0
Treatment: Water stresse4
Outcome: carbohydrate export from the fed leavese5
Direction: decreasee5

Not reportedComparator

Verbatim

t0
“Vitis vinifera”
✓ located verbatim in the source · title, characters 73–87

e4
“Water stress caused a significant reduction of leaf water potential, photosynthesis and stomatal conductance”
✓ located verbatim in the source · abstract, characters 970–1078

e5
“but caused only a slight, non-significant, decrease of carbohydrate export from the fed leaves”
✓ located verbatim in the source · abstract, characters 1080–1174

Title

Effect of water stress on partitioning of 14C-labelled photosynthates in Vitis vinifera

Josefina Bota; Oleg Stasyk; Jaume Flexas; et al. Functional Plant Biology 2004. doi:10.1071/fp03262

Other claims from this paper (9)

Intervention effect The presence of fruits strongly stimulated 14C export from the fed leaf compared with fruitless plants.
Intervention effect The presence of fruits changed the distribution pattern of assimilates compared with fruitless plants.
Observation Fruits imported 70–80% of the total 14C exported while representing only 25% of total plant dry matter.
Association The strength of fruits as carbon sinks was independent of sink size.
Intervention effect Water stress significantly reduced leaf water potential, photosynthesis and stomatal conductance.
Intervention effect Water stress did not affect the distribution pattern of 14C in Tempranillo, except in some minor fractions.
Intervention effect Water stress did not change the 14C distribution into different fruit components.
Intervention effect In Alfonso Lavallée, water stress significantly reduced photosynthate export.
Intervention effect In Alfonso Lavallée, water stress altered the photosynthate distribution pattern.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

UV-B did not significantly affect net photosynthesis or Fv/Fm in maize grown on sufficient nutrients.

Taxon: maizeZea mayst0
Treatment: UV-B treatmentse4
Outcome: P N and Fv/Fme4
Direction: did not significantly affecte4
Qualifier: in plants grown on sufficient nutrientse4

Not reportedComparator

Verbatim

t0
“near-isogenic maize lines”
✓ located verbatim in the source · title, characters 94–119

e4
“The UV-B treatments did not significantly affect P N and Fv/Fm in plants grown on sufficient nutrients, except in the low flavonoid lines dta and hi27 in which P N and Fv/Fm decreased by ∼15 %”
✓ located verbatim in the source · abstract, characters 1257–1449

Title

Ambient levels of UV-B in Hawaii combined with nutrient deficiency decrease photosynthesis in near-isogenic maize lines varying in leaf flavonoids: Flavonoids decrease photoinhibition in plants exposed to UV-B

T. S. L. Lau; E. Eno; G. Goldstein; et al. Photosynthetica 2006. doi:10.1007/s11099-006-0042-5

Other claims from this paper (13)

Observation In adequately fertilized plants, lines b and lc had higher flavonoid and anthocyanin contents than lines hi27 and dta.
Intervention effect UV-B induced accumulation of foliar flavonoids in maize lines hi27 and b.
Intervention effect UV-B did not induce accumulation of foliar flavonoids in the low flavonoid line dta or the high flavonoid line lc.
Intervention effect Nutrient deficiency decreased foliar flavonoid contents by 30-40%.
Intervention effect Nutrient deficiency decreased foliar anthocyanin contents by 40-50%.
Intervention effect Nutrient deficiency decreased Chl a content by 30%.
Intervention effect Nutrient deficiency decreased Chl b content by 70%.
Intervention effect In low flavonoid lines dta and hi27, UV-B decreased net photosynthesis and Fv/Fm by about 15% on sufficient nutrients.
Intervention effect UV-B decreased net photosynthesis, Fv/Fm and stomatal conductance by 20-30% in all lines when grown on low nutrients.
Observation The decrease in Fv/Fm was 10% less in the higher flavonoid lines b and lc.
Observation The photosynthetic apparatus of maize readily tolerated ambient UV-B in the tropics when plants were adequately fertilized.
Intervention effect Ambient UV-B combined with nutrient deficiency significantly reduced photosynthesis in maize.
Mechanism Nutrient deficiency increased the susceptibility of maize to UV-B-induced photoinhibition, in part by decreasing photoprotective compounds.

Observationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Under supplemental lighting, the decline in carbon exchange was not significant in glasshouses.

Taxon: Tomato PlantsSolanum lycopersicumt0
Outcome: carbon exchange ratee0
Direction: decreasee0
Qualifier: under SLe0
Setting: glasshousese0

Verbatim

e0
“Conversely, the decrease in carbon exchange rate was not significant in D-poly houses and glasshouses under SL.”
✓ located verbatim in the source · abstract, characters 1785–1896

t0
“Tomato Plants”
✓ located verbatim in the source · title, characters 129–142

Title

Greenhouse Covering Materials and Supplemental Lighting Affect Growth, Yield, Photosynthesis, and Leaf Carbohydrate Synthesis of Tomato Plants

Badrane M. Erhioui; André Gosselin; Xiuming Hao; et al. Journal of the American Society for Horticultural Science 2002. doi:10.21273/jashs.127.5.819

Other claims from this paper (17)

Intervention effect D-poly houses increased tomato marketable yield by 15% to 16% over glasshouses.
Intervention effect D-poly houses increased tomato fruit number per area by 13% to 17% over glasshouses.
Intervention effect Under supplemental lighting, acrylic houses had similarly higher yield and fruit number than glasshouses.
Intervention effect Covering materials had no significant effect on tomato photosynthesis and leaf chlorophyll.
Intervention effect Supplemental lighting increased leaf number in glasshouses in March by 15%.
Intervention effect Supplemental lighting increased tomato marketable yield in acrylic houses by 23%.
Intervention effect Supplemental lighting increased leaf specific weight in all houses by 19% to 33%.
Intervention effect Supplemental lighting increased total chlorophyll in acrylic houses by 10% to 14%.
Intervention effect Supplemental lighting increased tomato photosynthetic rate in March in glasshouses by 22%.
Intervention effect Without supplemental lighting, tomato plants in acrylic houses were taller than those in glasshouses.
Intervention effect Neither greenhouse covers nor supplemental lighting affected dry matter allocation to tomato fruit.
Recommendation The authors suggest D-poly and acrylic houses with supplemental lighting for early tomato yield in southwestern Ontario.
Observation Without supplemental lighting, photosynthesis fell 18% in acrylic houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in D-poly houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in glasshouses after two months.
Observation Under supplemental lighting, the decline in carbon exchange was not significant in D-poly houses.
Mechanism The authors conclude that March leaf starch accumulation did not explain the observed photosynthetic decline.

Observationobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

Under supplemental lighting, the decline in carbon exchange was not significant in D-poly houses.

Taxon: Tomato PlantsSolanum lycopersicumt0
Outcome: carbon exchange ratee0
Direction: decreasee0
Qualifier: under SLe0
Setting: D-poly housese0

Verbatim

e0
“Conversely, the decrease in carbon exchange rate was not significant in D-poly houses and glasshouses under SL.”
✓ located verbatim in the source · abstract, characters 1785–1896

t0
“Tomato Plants”
✓ located verbatim in the source · title, characters 129–142

Title

Greenhouse Covering Materials and Supplemental Lighting Affect Growth, Yield, Photosynthesis, and Leaf Carbohydrate Synthesis of Tomato Plants

Badrane M. Erhioui; André Gosselin; Xiuming Hao; et al. Journal of the American Society for Horticultural Science 2002. doi:10.21273/jashs.127.5.819

Other claims from this paper (17)

Intervention effect D-poly houses increased tomato marketable yield by 15% to 16% over glasshouses.
Intervention effect D-poly houses increased tomato fruit number per area by 13% to 17% over glasshouses.
Intervention effect Under supplemental lighting, acrylic houses had similarly higher yield and fruit number than glasshouses.
Intervention effect Covering materials had no significant effect on tomato photosynthesis and leaf chlorophyll.
Intervention effect Supplemental lighting increased leaf number in glasshouses in March by 15%.
Intervention effect Supplemental lighting increased tomato marketable yield in acrylic houses by 23%.
Intervention effect Supplemental lighting increased leaf specific weight in all houses by 19% to 33%.
Intervention effect Supplemental lighting increased total chlorophyll in acrylic houses by 10% to 14%.
Intervention effect Supplemental lighting increased tomato photosynthetic rate in March in glasshouses by 22%.
Intervention effect Without supplemental lighting, tomato plants in acrylic houses were taller than those in glasshouses.
Intervention effect Neither greenhouse covers nor supplemental lighting affected dry matter allocation to tomato fruit.
Recommendation The authors suggest D-poly and acrylic houses with supplemental lighting for early tomato yield in southwestern Ontario.
Observation Without supplemental lighting, photosynthesis fell 18% in acrylic houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in D-poly houses after two months.
Observation Without supplemental lighting, photosynthesis fell 15% in glasshouses after two months.
Observation Under supplemental lighting, the decline in carbon exchange was not significant in glasshouses.
Mechanism The authors conclude that March leaf starch accumulation did not explain the observed photosynthetic decline.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Plantago growth showed no significant repression under Rhinanthus parasitism.

Taxon: PlantagoPlantagoe0
Treatment: Parasitism by Rhinanthuse1
Interactor: RhinanthusRhinanthuse1parasite
Outcome: growthe0
Direction: no significant repressione0

Not reportedComparator

Verbatim

e0
“in Plantago, no significant repression of growth was noted.”
✓ located verbatim in the source · abstract, characters 768–827

e1
“Parasitism by Rhinanthus led to a significant decrease”
✓ located verbatim in the source · abstract, characters 644–698

Title

Suppression of Host Photosynthesis by the Parasitic Plant Rhinanthus minor

Duncan D. Cameron; Jean-Michelle Geniez; Wendy E. Seel; et al. Annals of Botany 2008. doi:10.1093/aob/mcm324

Other claims from this paper (9)

Intervention effect Rhinanthus parasitism significantly decreased Phleum host biomass.
Intervention effect Parasitized Plantago had reduced maximum quantum yield versus controls.
Intervention effect Parasitized Phleum did not show reduced maximum quantum yield.
Association Rhinanthus on Phleum had significantly lower F(v)/F(m) than on Plantago.
Intervention effect Parasitism significantly depressed Phleum steady-state quantum yield.
Intervention effect Parasitism depressed Plantago steady-state quantum yield only at low irradiance.
Association Rhinanthus grown on Plantago had very low Phi(PSII), unlike Rhinanthus on Phleum.
Observation Authors interpreted Plantago as having apparent chemical and physical defenses against parasitism.
Mechanism Authors proposed electron transport rate as the limiting factor for biomass accumulation.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Original fluorescence F0 changed insignificantly with or without phosphorus deficiency.

Taxon: Citrus unshiuCitrus unshiut0
Treatment: phosphorus deficiencye3
Outcome: original fluorescence( F 0)e3
Direction: changes unsignallye3

Not reportedComparator

Verbatim

t0
“Effects of Phosphate and Sodium Bisulfite(NaHSO_3)Interact on Photosynthesis in Citrus unshiu Marc Leaves”
✓ located verbatim in the source · title, characters 0–105

e3
“Whether phosphorus deficiency or not, the original fluorescence( F 0)changes unsignally,but the content of O 2 and H 2O 2 decrease remarkably”
✓ located after whitespace/quote normalisation · abstract, characters 525–665

Title

Effects of Phosphate and Sodium Bisulfite(NaHSO_3)Interact on Photosynthesis in Citrus unshiu Marc Leaves

Jiang Bin Trace Elements Science 2003

Other claims from this paper (7)

Intervention effect With no phosphate lack, photorespiration rate and O2 evolution activities were kept stable.
Intervention effect With no phosphate lack, the ratio of Pr/Pn went up.
Intervention effect Under phosphate lack, net photosynthetic rate, maximum fluorescence and electron transmit rate decreased remarkably in Citrus unshiu.
Intervention effect Under phosphate lack, photorespiration rate decreased remarkably in Citrus unshiu.
Intervention effect Under phosphate lack, O2 evolution activities rose obviously in Citrus unshiu.
Intervention effect Content of O2 and H2O2 decreased remarkably whether or not there was phosphorus deficiency in Citrus unshiu.
Intervention effect Insufflation with 8 mmol·L-1 NaHSO3 solution is proposed to increase Pn and photosynthesis in Citrus unshiu.

Intervention effectobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Stomatal conductance changed nonsignificantly under phosphorus deficiency.

Taxon: umbilical orangee0
Treatment: phosphorus deficiency treatmente0
Outcome: stomatal conductance( G s)e1

Not reportedComparatorDirection

Verbatim

e0
“Through phosphorus deficiency treatment,the phosphate content,photosynthetic pigment content,net photosynthetic rate(Pn),photochemical efficiency( F v/ F m),maximum fluorescence( F m)in leaves of umbilical orange decrease.”
✓ located verbatim in the source · abstract, characters 0–222

e1
“stomatal conductance( G s)change unsignally”
✓ located verbatim in the source · abstract, characters 307–350

Title

Effects of Phosphorus Deficiency Stress on Photosynthetic Pigment and Photosynthesis in Leaves of Umbilical Orange

Luo Jia-gang Trace Elements Science 2002

Other claims from this paper (7)

Intervention effect Phosphorus deficiency reduced leaf phosphate content.
Intervention effect Phosphorus deficiency reduced photosynthetic pigment content.
Intervention effect Phosphorus deficiency reduced net photosynthetic rate(Pn).
Intervention effect Phosphorus deficiency reduced photochemical efficiency( F v/ F m).
Intervention effect Phosphorus deficiency reduced maximum fluorescence( F m).
Intervention effect Phosphorus deficiency increased concentration of intercellular CO 2.
Intervention effect Phosphorus deficiency increased original fluorescence( F 0).

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