Intervention effectmodel-written summary

Zinc inhibited root and hypocotyl growth in proportion to its concentration.

A claim from Effect of Zinc on Germination Behavior and Protein Profile of Helianthus Annuus L. Seedlings · 2025

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Zinc inhibited root and hypocotyl growth in proportion to its concentration.

Taxon
Helianthus AnnuusHelianthus annuust0
Treatment
Zn toxicitye0
Outcome
root and hypocotyls growthe0
Direction
inhibitorye0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The inhibitory effect of Zn toxicity on root and hypocotyls growth was proportionate to the concentrations of Zn”

✓ located verbatim in the source · abstract, characters 347–459
t0

“Helianthus Annuus L. Seedlings”

✓ located verbatim in the source · title, characters 62–92

Title

Effect of Zinc on Germination Behavior and Protein Profile of Helianthus Annuus L. Seedlings

Raveendran M; Anjana M NL Journal of Agriculture and Biotechnology 2025. doi:10.71168/nab.02.01.103

Other claims from this paper (4)

Record rev-7b8a56472e53e8eb6fcfb4e2b861421b38df7f79026835fe7d6e924e554f2ca7 · schema claims-v0.9 · position 3 in the model’s answer

zinc atom · growth · Helianthus annuus (common sunflower)Results differ

29 papers: 23 positive, 6 negative or no effect

5 papers in the same direction as this claim · 23 in the opposite direction

  1. positive
    Foliar zinc increased fresh and dry weight.

    Exogenous silicium and zinc increase antioxidant enzyme activity and alleviate salt stress in leaves of sunflower. · 2011

    Opposite direction

  2. positive
    Under optimal Zn-B treatments, sunflower had higher dry matter, leaf area index and leaf area duration at flowering.

    Zinc and boron fertility to optimize physiological parameters, nutrient uptake and seed yield of sunflower. · 2009

    Opposite direction

  3. positive
    Zn fertilization significantly increased leaf area index (LAI) by 50% in sunflower under drought stress.

    Sunflower grain yield and oil content affected by zinc fertilization and genotype in drought stress conditions · 2024

    Opposite direction

  4. positive
    Zinc and iron at 10 kg and 5 kg per ha give the highest sunflower plant height of 167.0 cm

    Response of sunflower to different levels of zinc and iron under irrigated conditions. · 2009

    Opposite direction

  5. positive
    Foliar application of N, Zn and B together was the most effective treatment for increasing height, number of leaves and stem girth of sunflower under field conditions.

    Integrated foliar fertilizer effects on growth and yield of sunflower. · 2019

    Opposite direction

  6. positive
    FYM plus Zn produced the highest leaf number and leaf area.

    The Effects of Micronutrient and Organic Fertilizers on Yield and Growth Characteristics of Sunflower ( Helianthus annuus L.) · 2019

    Opposite direction

  7. positive
    Zinc foliar application at 12 mg.L-1 significantly increased plant height, stem diameter, leaf area.

    EFFECT OF ZINC AND BORON FOLIAR APPLICATION ON GROWTH, YIELD AND QUALITY OF SOME SUNFLOWER GENOTYPES ( Helianthus annuus L.) · 2019

    Opposite direction

  8. positive
    The vertex treatment M2n4 (20 t/ha manure plus Zn nano-micronutrient) showed high leaf number, leaf area and plant height in sunflower.

    Treatment by Trait Biplot Analysis of Organic Manure and Nano-Fertilizers on Sunflower Production · 2018

    Opposite direction

20 papers more in this group

See all 29 papers →

heavy metal · growth · Helianthus annuus (common sunflower)Positive and negative results

11 papers: 1 positive, 10 negative or no effect

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

  1. positive
    Tryptophan seed treatment under cadmium stress improved root by 19.40% versus control conditions.

    Tryptophan Seed Treatment Improves Morphological, Biochemical, and Photosynthetic Attributes of the Sunflower under Cadmium Stress · 2024 · compared with control conditions

    Opposite direction

  2. negative
    Cr stress alone significantly decreased biomass and agronomic traits of sunflower.

    Combined application of citric acid and 5-aminolevulinic acid improved biomass, photosynthesis and gas exchange attributes of sunflower (Helianthus annuus L.) grown on chromium contaminated soil · 2019

    Same direction

  3. no effect
    The tested heavy metals had no significant effect on sunflower dry matter.

    Effect on plant growth and heavy metal accumulation by sunflower · 2011

    Same direction

  4. negative
    Heavy metal had a significant effect on sunflower plant dry matter.

    Study On Accumulation Of Lead In Sunflower (Helianthus Annus) · 2014

    Same direction

  5. negative
    Lead stress significantly impaired sunflower root and shoot length and fresh and dry biomass.

    Trehalose Induced regulations in Physio-biochemical attributes of Helianthus annuus under Lead stress · 2023

    Same direction

  6. negative
    Plant height and number of leaves per plant were maximum in control pots without heavy metal.

    Effect of Chelator EDTA on Phyto-Remediation of Cadmium, Chromium and Lead and their Effect on Growth of Sunflower (Helianthus annuus L.) · 2020 · compared with control pots

    Same direction

  7. negative
    Cadmium toxicity curtailed sunflower root length by 32.03%.

    Ameliorative Effect of Exogenously Applied Zincon Cadmium-Stressed Sunflower(Helianthus annuus L.) by ModulatingGrowth, Photosynthetic Activity, PolyphenolicCompounds, and Yield Indices · 2025

    Same direction

  8. no effect
    Cadmium contamination caused no large differences in sunflower growth and physiological parameters.

    Growth and phytoremediation capacity of sunflower grown on soil contaminated with cadmium · 2011

    Same direction

2 papers more in this group

See all 11 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.