Intervention effectmodel-written summary

Macroalgal extracts increased root thickness and above-ground biomass.

A claim from Supercritical fluid extraction of algae enhances levels of biologically active compounds promoting plant growth · 2016

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Macroalgal extracts increased root thickness and above-ground biomass.

Treatment
Algal extractse0
Outcome
root thickness and above-ground biomasse0
Direction
enhancede0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Algal extracts were tested primarily on garden cress (Lepidium sativum L.; Brassicaceae) and wheat (Triticum aestivum L.; Poaceae). The extracts enhanced chlorophyll and carotenoid content in plant shoots, as well as root thickness and above-ground biomass”

✓ located verbatim in the source · abstract, characters 654–910

Title

Supercritical fluid extraction of algae enhances levels of biologically active compounds promoting plant growth

Izabela Michalak; Bogusława Górka; Piotr P. Wieczorek; et al. European Journal of Phycology 2016. doi:10.1080/09670262.2015.1134813

Other claims from this paper (3)

Record rev-4ee9840a38efc9bdfc5460dfdaa588cecc92beefdeff6c0731b89434588d26df · schema claims-v0.9 · position 2 in the model’s answer

botanical · growth · Triticum aestivum (wheat)Positive and negative results

435 papers: 206 positive, 229 negative or no effect

205 papers in the same direction as this claim · 228 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Rotted wheat straw extract inhibited wheat growth under aseptic conditions.

    Phytotoxicity from plant residues. I. The influence of rotted wheat straw on seedling growth · 1967

    Opposite direction

  2. no effect
    The four plant powders did not adversely affect wheat seed viability after three months of storage.

    Toxicity of some plant powders to maize weevil, Sitophilus zeamais (motschulsky) [Coleoptera: Curculiondae] on stored wheat grains (Triticum aestivum) · 2011

    Opposite direction

  3. negative
    Low concentrations of both seaweed extracts increased wheat seedling growth parameters compared with control.

    Potential of Seaweed Extract on Growth, Physiological, Cytological and Biochemical Parameters of Wheat (Triticum aestivum L.) Seedlings · 2022 · compared with the control

    Opposite direction

  4. negative
    Meadowfoam seed meal extract inhibited wheat germination by 77%.

    Allelopathic Potential of Various Plant Species on Downy Brome: Implications for Weed Control in Wheat Production · 2007

    Opposite direction

  5. no effect
    Botanical pesticide spray left wheat seedling growth almost unaffected.

    Plant oil mixtures as a novel botanical pesticide to control gregarious locusts · 2019

    Opposite direction

  6. negative
    Both extracts inhibited or delayed seed germination (inferred by the authors).

    Physiological and biochemical mechanisms of allelopathy mediated by the allelochemical extracts of Phytolacca latbenia (Moq.) H. Walter · 2013

    Opposite direction

  7. negative
    Higher Calotropis extract concentrations significantly reduced wheat germination percentage versus control.

    Effect of Calotropis procera L. plant extract on seeds germination and the growth of microorganisms · 2019 · compared with control

    Opposite direction

  8. negative
    winter wheat germination was reduced by 2% by sunnhemp leaf extract.

    Allelopathic Effects of Sunnhemp (Crotalaria juncea L.) on Germination of Vegetables and Weeds · 2012 · compared with the control

    Opposite direction

426 papers more in this group

See all 435 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.