Intervention effectmodel-written summary

Ozone fumigation did not significantly affect defence compounds in Scots pine foliage.

A claim from Performance of pine sawflies under elevated tropospheric ozone. · 1996

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Ozone fumigation did not significantly affect defence compounds in Scots pine foliage.

Taxon
Scots pinePinus sylvestrise1
Treatment
ozone fumigatione0
Outcome
levels of defence compounds in pine foliagee0
Direction
no significant effectse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Pinus sylvestris
Pinus sylvestris · TaxonHello, I am Bruce on Flickr · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“There were no significant effects of ozone fumigation on sawfly performance or levels of defence compounds in pine foliage.”

✓ located verbatim in the source · abstract, characters 566–689
e1

“Scots pine seedlings were grown in field fumigation system”

✓ located verbatim in the source · abstract, characters 261–319

Title

Performance of pine sawflies under elevated tropospheric ozone.

Päivi Lyytikäinen; Jarmo Holopainen; Pirjo Kainulainen; et al. Silva Fennica 1996. doi:10.14214/sf.a9230

Other claims from this paper (2)

Record rev-413fbd5ca937db19fe498023cd2e15c920d7f52c3c4651ca6da16d0e135e8b56 · schema claims-v0.9 · position 2 in the model’s answer

ozone · disease · Pinus sylvestris (Scots pine)Results agree

5 papers: 0 positive, 5 negative or no effect

4 papers in the same direction as this claim

  1. negative
    Ozone induced chloroplast ultrastructural symptoms in both species at both nitrogen levels.

    Influence of elevated ozone and limited nitrogen availability on conifer seedlings in an open‐air fumigation system: effects on growth, nutrient content, mycorrhiza, needle ultrastructure, starch and secondary compounds · 2000

    Same directionCites this paper

  2. negative
    The reported exposure increased disease incidence significantly.

    Ozone effects on root‐disease susceptibility and defence responses in mycorrhizal and non‐mycorrhizal seedlings of Scots pine (Pinus sylvestris L.) · 1993

    Same direction

  3. no effect
    Elevated ozone did not affect the final defense outcome.

    Volatile-mediated between-plant communication in Scots pine and the effects of elevated ozone · 2022

    Same direction

  4. negative
    Twice ambient ozone caused chlorotic mottling and yellowing of current year needles in Scots pine.

    Ameliorating effect of UV‐B radiation on the response of Norway spruce and Scots pine to ambient ozone concentrations · 1999

    Same direction

See all 5 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.