Intervention effectmodel-written summary

Neem oil in rooting substrates did not improve rooting.

A claim from Neem Oil to Reduce Zeatin Use and Optimize the Rooting Phase in Olea europaea L. Micropropagation · 2023

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Neem oil in rooting substrates did not improve rooting.

Taxon
Olea europaea L.Olea europaeat0
Treatment
addition of neem oile0
Outcome
rooting phasee0
Direction
did not positively influencee0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Olea europaea
Olea europaea · TaxonHans Hillewaert · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the addition of neem oil in the rooting substrates did not positively influence the rooting phase”

✓ located verbatim in the source · abstract, characters 1773–1870
t0

“Olea europaea L.”

✓ located verbatim in the source · title, characters 64–80

Title

Neem Oil to Reduce Zeatin Use and Optimize the Rooting Phase in Olea europaea L. Micropropagation

Luca Regni; Simona Lucia Facchin; Daniel Fernandes da Silva; et al. Plants 2023. doi:10.3390/plants12030576

Other claims from this paper (2)

Record rev-97809a96f896ec0609df696068684bf49e3e5b812188000d0a1610ff716c699c · schema claims-v0.9 · position 2 in the model’s answer

botanical · growth · Olea europaea (common olive)Results differ

10 papers: 8 positive, 2 negative or no effect

2 papers in the same direction as this claim · 7 in the opposite direction

  1. positive
    Neem oil improved shoot regeneration.

    Neem Oil Used as a “Complex Mixture” to Improve In Vitro Shoot Proliferation in Olive · 2018 · compared with control

    Opposite directionCited by this paper

  2. positive
    Yeast extract at 4 g L-1 exceeded the other treatments for plant height, stem diameter, and vegetative and root weights.

    Response of olive seedlings for treatment with licorice and yeast extract · 2017 · compared with rest of the treatments

    Opposite direction

  3. positive
    NPK fertilizer combined with algae extract gave the best lateral shoot numbers, stem diameter and leaf number in Aggizi olive seedlings.

    Impact of NPK, humic acid and algae extract on growth of "Aggizi" olive seedlings cultured in sandy soil under greenhouse condition. · 2014

    Opposite direction

  4. positive
    Foliar dry yeast extract at 20 g L-1 increased leaf area of olive trees.

    RESPONSE OF OLIVE TREES CULTIVAR AL-ASHRASSI TO NUTRITION WITH CHELATED IRON (CHI) AND DRY YEAST EXTRACT (DYE) · 2022

    Opposite direction

  5. positive
    Highest banana fruit pulp extract level (P2) increased shoot number of olive transplants to 16.63 shoot transplants -1.

    EFFECT OF WHEY AND BANANA FRUIT PUIP EXTRACT IN GROWTH OF KHASTAWI OLIVE TRANSPLANTS · 2020

    Opposite direction

  6. positive
    Garlic extract at 10 ml.L -1 improved longest root length, root volume and root diameter versus other concentrations.

    Root Growth of Olive Seedlings Olea europaea (Khastawi cultivar) by the Effect of Spraying with Garlic Extract and Yeast Extracts · 2024 · compared with the other concentrations

    Opposite direction

  7. positive
    T9 gave highest vegetative development in Coratina olive trees.

    EFFECT OF SPRAYING WITH SOME GROWTH STIMULATORS ON PRODUCTIVITY AND QUALITY OF OLIVE FRUITS UNDER RAINY CONDITIONS · 2025

    Opposite direction

  8. negative
    Eucalyptus root and bark extracts and soil treatments significantly reduced germination and seedling growth of Olea europaea subsp. africana.

    Allelopathic effects of invasiveEucalyptus camaldulensison germination and early growth of four native species in the Western Cape, South Africa · 2014

    Same 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.