Intervention effectmodel-written summary

Cadmium stress reduced alfalfa root length by 50%.

A claim from Mitigating Cd stress in alfalfa: the role of melatonin and nano-calcium oxide in enhancing photosynthesis and antioxidant defense · 2025

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cadmium stress reduced alfalfa root length by 50%.

Taxon
alfalfaMedicago sativae0
Treatment
Cd stresse0
Outcome
root lengthe0
Direction
reductione0
Value
50%e0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier

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

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Under Cd stress, alfalfa seedlings exhibited a 43% reduction in shoot length, 50% in root length”

✓ located verbatim in the source · abstract, characters 557–653

Title

Mitigating Cd stress in alfalfa: the role of melatonin and nano-calcium oxide in enhancing photosynthesis and antioxidant defense

Maqsood Ul Hussan; Umer Mahmood; Saeedeh Zarbakhsh; et al. BMC Plant Biology 2025. doi:10.1186/s12870-025-07157-7

Other claims from this paper (17)

Record rev-f9c640c17d1b51e53041759bbae60cd26261951d5407a411a6a3042fd1a39b82 · schema claims-v0.9 · position 2 in the model’s answer

cadmium atom · growth · Medicago sativa (alfalfa)Results differ

19 papers: 2 positive, 17 negative or no effect

16 papers in the same direction as this claim · 2 in the opposite direction

  1. positive
    Low cadmium promoted alfalfa growth relative to control.

    Effects of Cadmium Stress on Some Physiologicalbiochemical Characters of Four Alfalfa Varieties · 2010 · compared with control

    Opposite direction

  2. positive
    Proper Cd concentration promoted seed germination of the three herbaceous plants.

    Effects of cadmium stress on seed germination and antioxidant enzymes of three herbaceous plants seedings · 2014

    Opposite direction

  3. negative
    Alfalfa growth was affected at 20 and 50 µg ml -1 cadmium.

    Potential of Medicago sativa for uptake of cadmium from contaminated environment. · 2009 · compared with lower concentration of cadmium

    Same direction

  4. no effect
    10 to 50 μM Cd had little effect on alfalfa germination and elongation.

    Ecotoxicological responses of three ornamental herb species to cadmium · 2013

    Same direction

  5. negative
    A 5 ppm exposure to Cd(II) reduced alfalfa shoot size by 16% compared with the control.

    STUDY OF THE EFFECTS OF HEAVY METALS ON SEED GERMINATION AND PLANT GROWTH ON ALFALFA PLANT (Medicago sativa) GROWN IN SOLID MEDIA · 2000 · compared with the control

    Same direction

  6. no effect
    Neither shoot dry mass nor root dry mass of alfalfa was significantly influenced by soil Cd level.

    Cadmium and lead affect the status of mineral nutrients in alfalfa grown on a calcareous soil · 2020

    Same direction

  7. negative
    Increasing cadmium lowered germination percentage, radicle length, and fresh and dry weight, with complete inhibition at 5 mM CdCl 2.

    Biochar Mitigates Cadmium Stress on Alfalfa Seeds During Germination · 2018

    Same direction

  8. negative
    High concentrations of Cd, Cu, Ni and Pb impaired alfalfa germination and root and shoot growth.

    Seed germination, growth and metal uptake of Medicago sativa L. grown in heavy metal contaminated clay loam brown forest soil · 2011

    Same direction

10 papers more in this group

See all 19 papers →

heavy metal · growth · Medicago sativa (alfalfa)Positive and negative results

13 papers: 2 positive, 11 negative or no effect

10 papers in the same direction as this claim · 2 in the opposite direction

  1. positive
    In agar-based media, 5 mg/L of these heavy metals, individually, increased alfalfa growth.

    Feasibility of using living alfalfa plants in the phytoextraction of cadmium(II), chromium(VI), copper(II), nickel(II), and zinc(II): Agar and soil studies · 2002

    Opposite direction

  2. positive
    Pseudomonas seed treatment under cadmium stress increased alfalfa seedling dry weight by up to 40%.

    Heavy metals-resistant PGPR strains of Pseudomonas sp. stimulating the growth of alfalfa under cadmium stress · 2024 · compared with the control

    Opposite direction

  3. negative
    Aluminium toxicity depressed root elongation of lucerne.

    Soil acidity and growth of a legume. II. Reactions of aluminium and phosphate in solution and effects of alumminium, phosphate, calcium, and pH on Medicago sativa L. and Trifolium subterraneum , in solution culture · 1965

    Same direction

  4. negative
    Heavy metals reduced alfalfa biomass.

    Safe Cultivation of Medicago sativa in Metal-Polluted Soils from Semi-Arid Regions Assisted by Heat- and Metallo-Resistant PGPR · 2019

    Same direction

  5. negative
    Aluminum stress reduced alfalfa growth (biomass, root weight and root length)

    Effects of foliar application of organic acids on alleviation of aluminum toxicity in alfalfa · 2014

    Same direction

  6. negative
    Al toxicity inhibited germination and hypocotyl and root growth, particularly at 7.5 and 16 mM.

    The response of Medicago sativa to aluminium toxicity under laboratory and field conditions · 2018

    Same direction

  7. negative
    Cadmium stress significantly hindered alfalfa growth.

    Multi-omics reveals the molecular regulatory mechanism of exogenous glutathione in alleviating cadmium stress in alfalfa · 2025

    Same direction

  8. negative
    Combined acidity and aluminum stress had a greater adverse effect than either alone.

    Effects of acidity and/or aluminum stress on seed germination and seedling growth of alfalfa · 2015 · compared with either stress in isolation

    Same direction

4 papers more in this group

See all 13 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.