Intervention effectmodel-written summary

Without N application, inoculated rice had higher photosynthesis than non-inoculated rice.

A claim from Effect of nitrogen fertilizer on hydrolytic enzyme production, root colonisation, N metabolism, leaf physiology and growth of rice inoculated with Bacillus sp. (Sb42). · 2012

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Without N application, inoculated rice had higher photosynthesis than non-inoculated rice.

Treatment
Inoculated plants without N applicatione0
Outcome
rate of photosynthesise0
Direction
highere0
Value
9.38μmolCO2m2s-1e0
Comparator
non-inoculated treatmentse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

e0

“Inoculated plants without N application showed significantly higher (P<0.05) specific hydrolytic enzyme activity (88.9% EG and 20.1% EPMG), plant biomass (72.46%), rate of photosynthesis (9.38μmolCO2m2s-1), leaf N content (3.16%) and N uptake (74.59mg plant-1) compared to non-inoculated treatments”

✓ located verbatim in the source · abstract, characters 811–1109
t0

“rice”

✓ located verbatim in the source · title, characters 126–130

Title

Effect of nitrogen fertilizer on hydrolytic enzyme production, root colonisation, N metabolism, leaf physiology and growth of rice inoculated with Bacillus sp. (Sb42).

Asilah Abdul Mutalib; O. Radziah; Mohd Yunus Shukor; et al. Australian Journal of Crop Science 2012

Other claims from this paper (11)

Record rev-19fc2d836a75fa2ef545051a0d0ff194e24e7f0c00ce18604087903760a419ec · schema claims-v0.9 · position 8 in the model’s answer

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

35 papers: 30 positive, 5 negative or no effect

29 papers in the same direction as this claim · 5 in the opposite direction

  1. no effect
    Inoculation left photosynthetic parameters, such as fractions of incoming light energy and relative chlorophyll content, unaltered in rice.

    Acaulospora as the Dominant Arbuscular Mycorrhizal Fungi in Organic Lowland Rice Paddies Improves Phosphorus Availability in Soils · 2021

    Opposite direction

  2. negative
    RSMV infection increased the number of tillers and delayed heading in rice.

    Symptoms and yield loss caused by rice stripe mosaic virus · 2019

    Opposite direction

  3. no effect
    Biofertilizers had no significant positive effect on net photosynthetic rate.

    Plant Growth-Promoting Rhizobacteria Improve Rice Response to Climate Change Conditions · 2023

    Opposite direction

  4. negative
    Blast inoculation reduced photosynthetic rate in rice cultivars.

    Effect of blast infection on the photosynthetic activity of rice seedlings · 1978 · compared with uninoculated control

    Opposite direction

  5. negative
    R.solani inoculation significantly decreased rice leaf chlorophyll content, net photosynthetic rate and stomatal conductance.

    Exogenous application of sodium silicate improves the resistance of rice photosynthesis to Rhizoctonia solani infection · 2008

    Opposite direction

  6. positive
    Inoculated rice had increased photosynthetic rate, stomatal conductance, and transpiration velocity.

    Ascending Migration of Endophytic Rhizobia, from Roots to Leaves, inside Rice Plants and Assessment of Benefits to Rice Growth Physiology · 2005

    Same direction

  7. positive
    P. indica reduced damage to photosynthetic organs.

    Piriformospora indica augments arsenic tolerance in rice (Oryza sativa) by immobilizing arsenic in roots and improving iron translocation to shoots · 2020

    Same direction

  8. positive
    PGPR treatments positively and significantly affected rice leaf photosynthetic pigments and water status across two seasons.

    Plant Growth-Promoting Rhizobacteria Improve Growth, Morph-Physiological Responses, Water Productivity, and Yield of Rice Plants Under Full and Deficit Drip Irrigation · 2022

    Same direction

26 papers more in this group

See all 35 papers →

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

97 papers: 81 positive, 16 negative or no effect

15 papers in the same direction as this claim · 81 in the opposite direction

This claim is about lacking the nutrient, so it counts the other way round here.

  1. positive
    Nitrogen deficiency lowered photosynthetic capacity at saturation irradiance.

    Effects of Nitrogen Deficiency on Gas Exchange, Chlorophyll Fluorescence, and Antioxidant Enzymes in Leaves of Rice Plants · 2004 · compared with control plants

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  2. positive
    Potassium supply raised rice leaf photosynthesis by 12.2%.

    Interactive effects of nitrogen and potassium on photosynthesis and photosynthetic nitrogen allocation of rice leaves · 2019 · compared with K0

    Opposite direction

  3. positive
    High nitrogen significantly increased leaf nitrogen, chlorophyll and steady-state photosynthesis.

    Nitrogen can improve the rapid response of photosynthesis to changing irradiance in rice (Oryza sativa L.) plants · 2016

    Opposite direction

  4. positive
    CRU maintained higher flag leaf SPAD and photosynthetic rate than MFP and FFP during grain filling.

    Application of Controlled-Release Urea Enhances Grain Yield and Nitrogen Use Efficiency in Irrigated Rice in the Yangtze River Basin, China · 2018 · compared with MFP and FFP

    Opposite direction

  5. positive
    Nitrogen deficiency decreased the photosynthesis rate and Fv/Fm of Oryza sativa leaves relative to control.

    Nitrate deficiency decreased photosynthesis and oxidation-reduction processes, but increased cellular transport, lignin biosynthesis and flavonoid metabolism revealed by RNA-Seq in Oryza sativa leaves · 2020 · compared with control (10 mM NO3-)

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  6. positive
    reducing CO2 assimilation, stomatal conductance (gs), the contents of chlorophylls (Chl) and the ratio of Chl a/Chl b

    Effects of Nitrogen Deficiency on the Photosynthesis, Chlorophyll a Fluorescence, Antioxidant System, and Sulfur Compounds in Oryza sativa · 2024

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  7. positive
    Low nitrogen increased photosynthetic nitrogen use efficiency versus sufficient nitrogen.

    Leaf density explains variation in leaf mass per area in rice between cultivars and nitrogen treatments · 2016 · compared with SN

    Opposite direction

  8. positive
    Before-drought nitrogen increased leaf chlorophyll content and net photosynthetic rate under drought relative to after-drought nitrogen.

    Combined proteomics, metabolomics and physiological analyses of rice growth and grain yield with heavy nitrogen application before and after drought · 2020

    Opposite direction

88 papers more in this group

See all 97 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.