Intervention effectmodel-written summary

Photosynthetic rate decreased as vapor pressure deficit changed from low to high.

A claim from Effect of vapor pressure deficit on photosynthesis of rice leaves with reference to light and CO2 utilization efficiency. · 1987

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Photosynthetic rate decreased as vapor pressure deficit changed from low to high.

Treatment
changing vapor pressure deficite1
Outcome
photosynthetic ratee1
Direction
decreasede1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

t0

“photosynthesis of rice leaves”

✓ located verbatim in the source · title, characters 36–65
e1

“Transpiration rate increased rapidly, and photosynthetic rate, diffusive conductance and intercellular CO2 concentration (Ci) decreased gradually with changing vapor pressure deficit from low to high”

✓ located verbatim in the source · abstract, characters 823–1022

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)

Record rev-a31b645bb799c2ce7af468d5a04454c7156d9a795f41edf4610a4f9a4909a67d · schema claims-v0.9 · position 2 in the model’s answer

humidity · physiology: photosynthesis · Oryza sativa (rice)Positive and negative results

5 papers: 1 positive, 4 negative or no effect

3 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    Humidifying chamber air to lower vapor pressure deficit increased photosynthetic rate at least through noon.

    Diurnal courses of photosynthesis, transpiration, and diffusive conductance in the single-leaf of the rice plants grown in the paddy field under submerged condition. · 1987 · compared with the same vapor pressure deficit as outside

    Opposite direction

  2. negative
    Low humidity pretreatment lowered rice leaf conductance, transpiration and CO2 assimilation.

    Humidity Pretreatment Affects the Responses of Stomata and CO2 Assimilation to Vapor Pressure Difference in C3 and C4 Plants · 1993

    Same direction

  3. negative
    Lower air humidity intensified the effect of low soil moisture on photosynthesis and CO2 diffusion.

    Photosynthesis and Transpiration in Rice as Influenced by Soil Moisture and Air Humidity · 1981

    Same direction

  4. negative
    At higher temperatures, greater relative humidity depressed photosynthesis.

    Effects of Ellvironmental Conditions of Long and Short Duration on Subsequent Leaf CO2 Assimilation Rates of Rice Plant under a Definite Standard Condition · 1970

    Same direction

See all 5 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.