Intervention effectmodel-written summary

Modified light increased CO2 assimilation and biological productivity.

A claim from EFFECT OF ADDITIONAL LOW INTENSITY LUMINESCENCE RADIATION 625nm ON PLANT GROWTH AND PHOTOSYNTHESIS · 2000

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Modified light increased CO2 assimilation and biological productivity.

Taxon
plantsViridiplantaee0
Treatment
modified light irradiatione0
Outcome
CO2 assimilation rate and biological productivitye0
Direction
increasee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“An appreciable increase in the CO2 assimilation rate and biological productivity under modified light irradiation of plants”

✓ located verbatim in the source · abstract, characters 732–855

Title

EFFECT OF ADDITIONAL LOW INTENSITY LUMINESCENCE RADIATION 625nm ON PLANT GROWTH AND PHOTOSYNTHESIS

A. A. Kosobryukhov; Vladimir D. Kreslavski; R. N. Khramov; et al. Kyushu University Institutional Repository (QIR) (Kyushu University) 2000

Other claims from this paper (3)

Record rev-4de88bbfbcbaafd8ab5598614dbccbd0a87bd6f9fe74461a7b409cc43bdcf27b · schema claims-v0.9 · position 3 in the model’s answer

radiation · physiology: photosynthesis · Viridiplantae (plants)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

2 in the opposite direction

  1. negative
    Irradiation decreased photosynthetic efficiency and growth.

    Effects of Acute and Chronic Gamma Irradiation on the Cell Biology and Physiology of Rice Plants · 2021

    Opposite direction

  2. negative
    Apparent quantum yield decreased by 13.0% after UV-B exposure.

    Effects of Supplementary UV-B Radiation on Photosynthesis and Partition of Leaf Nitrogen in Components of Photosynthetic Carbon Cycle in Leaves of Musa paradisiaca · 2000 · compared with control plants

    Opposite direction

See all 3 papers →

light · physiology: photosynthesis · Viridiplantae (plants)Positive and negative results

16 papers: 9 positive, 7 negative or no effect

8 papers in the same direction as this claim · 7 in the opposite direction

  1. no effect
    The excitation balance between PSII and photosystem I remained unchanged after light intensity changes.

    Plants Actively Avoid State Transitions upon Changes in Light Intensity: Role of Light-Harvesting Complex II Protein Dephosphorylation in High Light · 2015

    Opposite direction

  2. negative
    At the same UV-B enrichment, lower visible irradiance in growth chambers caused more photosynthetic impairment than greenhouse growth.

    Effects of UV‐B Radiation on Net Photosynthesis of Some Crop Plants1 · 1976 · compared with greenhouse‐grown plants

    Opposite direction

  3. negative
    Exposure to high light caused significant photoinhibition.

    Dehydroascorbate Reductase Affects Non-photochemical Quenching and Photosynthetic Performance · 2008

    Opposite direction

  4. negative
    Decreased light intensity reduced net photosynthesis.

    Estimation of Photorespiration of Green Plants and of their Mesophyll Resistance to CO2 Uptake1 · 1968

    Opposite direction

  5. negative
    Fixed light combined with variable temperature lowered Fv/Fm, Amax, and CO2 yield.

    Effect of Asynchronous Light and Temperature Fluctuations on Plant Traits in Indoor Growth Facilities · 2021

    Opposite direction

  6. negative
    High-light-grown oat had lower maximal PS II quantum yield than low-light-grown oat.

    Photoinhibition of photosystems I and II using chlorophyll fluorescence measurements · 2005 · compared with low intensity

    Opposite direction

  7. negative
    At 200 µmol m −2 s −1 for one day, ETR fell after midday.

    Photosynthetic acclimation of crassulacean acid metabolism orchid Phalaenopsis in response to light level · 2025

    Opposite direction

  8. positive
    Upward supplemental lighting increased the photosynthetic response curvature factor.

    A Combination of Downward Lighting and Supplemental Upward Lighting Improves Plant Growth in a Closed Plant Factory with Artificial Lighting · 2017

    Same direction

7 papers more in this group

See all 16 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.