Intervention effectmodel-written summary

Iron shortage reduced iron and zinc concentrations in sunflower roots and shoots.

A claim from Molecular characterization of Fe-acquisition genes causing decreased Fe uptake and photosynthetic inefficiency in Fe-deficient sunflower · 2021

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Iron shortage reduced iron and zinc concentrations in sunflower roots and shoots.

Treatment
Fe shortagee0
Outcome
Fe and Zn concentrations in roots and shootse0
Direction
reducede0

Not reportedTaxonMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

Verbatim

e0

“Fe shortage reduced Fe and Zn concentrations in roots and shoots”

✓ located verbatim in the source · abstract, characters 488–552

Title

Molecular characterization of Fe-acquisition genes causing decreased Fe uptake and photosynthetic inefficiency in Fe-deficient sunflower

Ahmad Humayan Kabir; Sharaban Tahura; Mona M. Elseehy; et al. Scientific Reports 2021. doi:10.1038/s41598-021-85147-z

Other claims from this paper (9)

Record rev-e77c8c47906b7f0ad113715e55bcf17008ed3547c91c2fb3e1ac69c182d5ce55 · schema claims-v0.9 · position 3 in the model’s answer

iron atom · nutrient: content · Helianthus annuus (common sunflower)Positive and negative results

10 papers: 8 positive, 2 negative or no effect

1 paper in the same direction as this claim · 8 in the opposite direction

  1. positive
    Sufficient iron alleviated iron stress within less than one day and normalized root traits and iron uptake.

    Rhythmic iron stress reactions in sunflower at suboptimal iron supply · 1981

    Opposite direction

  2. positive
    Fe-Asp produced greater essential amino acid accumulation and nutrient acquisition than FeSO4.

    Foliar Spray of Fe-Asp Confers Better Drought Tolerance in Sunflower as Compared with FeSO4: Yield Traits, Osmotic Adjustment, and Antioxidative Defense Mechanisms · 2020 · compared with FeSO4

    Opposite direction

  3. positive
    Best amendment and lime combinations brought shoot Ni below detection.

    Effect of treated zeolite, iron waste, and liming on phytoavailability of Zn, Cu, and Ni in long-term biosolids-amended soils · 2008

    Opposite direction

  4. positive
    Iron deficiency decreased ferric iron reduction by sunflower crown gall.

    Tumorous crown gall response to iron‐deficiency stress in sunflower · 1991 · compared with tumorous tissues adequately supplied with Fe

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

  5. positive
    Fe applications increased uptake of these elements in sunflower roots and shoots.

    The effect of salinity and iron application on growth and mineral uptake of sunflower (helianthus annuus L.) · 1981

    Opposite direction

  6. positive
    Fe aminochelates raised seed Fe, N and S concentrations.

    Iron (Fe) Biofortification Using Fe‐Aminochelates in Sunflower Growing in Calcareous Soils · 2025

    Opposite direction

  7. positive
    Compost without Fe lowered Fe content in sunflower

    Einfluß von Müllkompost und Eisenverbindungen auf die Eisen‐, Zink‐ und Manganaufnahme von Sonnenblumen und Mais im Gefäßversuch · 1978

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

  8. positive
    Iron slag enriched cow manure decreased plant Pb concentration by 11.3%.

    The effect of iron slag enriched cow manure, zeolite and pumice on the sunflower Pb uptake in a soil irrigated with wastewater of battery factory · 2019

    Opposite direction

1 paper more in this group

See all 10 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.