Intervention effectmodel-written summary

Higher Fe concentration inhibited concentrations and contents of almost all macro and micronutrients.

A claim from Tolerance of rice cultivars to iron toxicity · 1987

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Higher Fe concentration inhibited concentrations and contents of almost all macro and micronutrients.

Treatment
Higher concentration of Fe in the nutrient solutione1
Outcome
concentrations and contents of almost all macro and micronutrientse1
Direction
inhibitinge1

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

“Tolerance of rice cultivars to iron toxicity”

✓ located verbatim in the source · title, characters 0–44
e1

“Higher concentration of Fe in the nutrient solution exerted an inhibiting effect on the concentrations and contents of almost all macro and micronutrients.”

✓ located verbatim in the source · abstract, characters 916–1071

Title

Tolerance of rice cultivars to iron toxicity

N.K. Fageria; N. A. Rabelo Journal of Plant Nutrition 1987. doi:10.1080/01904168709363598

Other claims from this paper (2)

Record rev-26b0eb7f940ff4de8b8eb119b1d4b9375894e3289c861abf30ee2ab21799d368 · schema claims-v0.9 · position 3 in the model’s answer

iron atom · molecular: metabolites · Oryza sativa (rice)Positive and negative results

31 papers: 18 positive, 13 negative or no effect

12 papers in the same direction as this claim · 18 in the opposite direction

  1. negative
    Higher iron concentration in the medium inhibited the concentration and content of almost all macro and micronutrients in roots and shoots.

    Physiological Disorder of Rice Associated with High Levels of Iron in Growth Medium · 2007

    Same directionCites this paper

  2. positive
    Nicotianamine added to ferrous Fe promoted ferritin synthesis twice as effectively as ascorbic acid in a Caco-2 cell model

    Nicotianamine, a Novel Enhancer of Rice Iron Bioavailability to Humans · 2010 · compared with ascorbic acid

    Opposite direction

  3. positive
    Combined Si and Fe nanoparticles significantly elevated glutathione (GSH) by 151% compared with Pb stress alone in rice.

    Silicon and iron nanoparticles protect rice against lead (Pb) stress by improving oxidative tolerance and minimizing Pb uptake · 2024 · compared with plants subjected to Pb stress alone

    Opposite direction

  4. positive
    Under excess Cu, rice plants with Fe plaque had higher Fe concentration in leaves than plants without plaque.

    Effects of iron plaque on roots of rice on growth and metal concentration of seeds and plant tissues when cultivated in excess copper · 1994 · compared with plants without plaque

    Opposite direction

  5. positive
    Combined Fe(II)-AA and B foliar spray increased total 16 amino acids in rice grain by 37.0%.

    Impacts of Combination of Foliar Iron and Boron Application on Iron Biofortification and Nutritional Quality of Rice Grain · 2008 · compared with control

    Opposite direction

  6. positive
    Fe application increased non-enzymatic antioxidant compounds in rice cultivars.

    Iron Sulfate (FeSO4) Improved Physiological Attributes and Antioxidant Capacity by Reducing Oxidative Stress of Oryza sativa L. Cultivars in Alkaline Soil · 2022

    Opposite direction

  7. positive
    Iron addition reduced cadmium in rice roots by 26-65%.

    Effects of Fe and Mn cations on Cd uptake by rice plant in hydroponic culture experiment · 2020

    Opposite direction

  8. positive
    500 μM Fe significantly increased the ionic soluble pectin content in rice roots compared with 5 μM Fe.

    Fe fortification limits rice Cd accumulation by promoting root cell wall chelation and reducing the mobility of Cd in xylem · 2022 · compared with 5 μM Fe treatment

    Opposite direction

22 papers more in this group

See all 31 papers →

fertilization · molecular: metabolites · Oryza sativa (rice)Positive and negative results

219 papers: 199 positive, 20 negative or no effect

19 papers in the same direction as this claim · 199 in the opposite direction

  1. positive
    Plant PhytOC storage increased with silicate fertilizer rate.

    The potential for carbon bio-sequestration in China’s paddy rice (Oryza sativa L.) as impacted by slag-based silicate fertilizer · 2015

    Opposite direction

  2. positive
    Zn fertilization decreased phytic acid content in rice grains

    Improved yield and Zn accumulation for rice grain by Zn fertilization and optimized water management · 2014

    Opposite direction

  3. positive
    Organic fertilizer application improved nutritional quality, including the contents of glutelin, essential amino acids and microelements.

    Effects of application of rapeseed cake as organic fertilizer on rice quality at high yield level · 2021 · compared with T1

    Opposite direction

  4. positive
    Foliar iodine fertilizer increased iodine concentration in wheat and rice grains.

    Fate and Bioaccessibility of Iodine in Food Prepared from Agronomically Biofortified Wheat and Rice and Impact of Cofertilization with Zinc and Selenium · 2020

    Opposite direction

  5. positive
    Compost application was associated with the highest accumulation of essential macronutrients in rice grain.

    Effect of mineral and organic amendments on rice growth and yield in saline soils · 2021

    Opposite direction

  6. positive
    Si decreased the Mn concentration in rice leaves.

    Rice grown in nutrient solution with doses of manganese and silicon · 2010

    Opposite direction

  7. positive
    Additional fertilizer increased whole-plant nitrogen accumulation in Nipponbare.

    A Comparison of the Accumulation and Partitioning of Nitrogen in Plants between Two Rice Cultivars, Akenohoshi and Nipponbare, at the Ripening Stage · 2003

    Opposite direction

  8. positive
    Deep N fertilization with straw return (MDS) enhanced glutamine synthetase by 23.56%–31.02% compared with MB.

    Nitrogen Deep Placement Combined with Straw Mulch Cultivation Enhances Physiological Traits, Grain Yield and Nitrogen Use Efficiency in Mechanical Pot-Seedling Transplanting Rice · 2022 · compared with MB treatment

    Opposite direction

210 papers more in this group

See all 219 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.