Intervention effectmodel-written summary

Clopyralid gave 78% control of Cirsium arvense in Canby.

A claim from Cirsium arvense management with electrical weed control and clopyralid · 2026

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Clopyralid gave 78% control of Cirsium arvense in Canby.

Taxon
Cirsium arvenseCirsium arvenset0
Treatment
Clopyralide3
Outcome
controle3
Value
78%e3
Setting
Canbye3

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorDirectionQualifier

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

Cirsium arvense
Cirsium arvense · TaxonAnRo0002 · CC0 · Wikimedia Commons ↗

Verbatim

t0

“Cirsium arvense management with electrical weed control and clopyralid”

✓ located verbatim in the source · title, characters 0–70
e3

“Clopyralid provided 96% control with a single application and 95% with two applications in Corvallis, compared with 43% and 78% in Canby”

✓ located verbatim in the source · abstract, characters 892–1028

Title

Cirsium arvense management with electrical weed control and clopyralid

Luisa Carolina Baccin; Marcelo L. Moretti Pest Management Science 2026. doi:10.1002/ps.70736

Other claims from this paper (13)

Record rev-d1ae584c2d4d2da0d1a2c2152f0325a3aadd419a0f3576399cb1979d5abeaadf · schema claims-v0.9 · position 8 in the model’s answer

clopyralid · control · Cirsium arvense (Canada thistle)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this claim

  1. positive
    Diflufenzopyr with clopyralid slightly improved Canada thistle control.

    Diflufenzopyr Influences Leafy Spurge (Euphorbia esula) and Canada Thistle (Cirsium arvense) Control by Herbicides · 2005 · compared with herbicides alone

    Same direction

  2. positive
    Clopyralid plus 2,4-D was among the most consistent postharvest herbicide treatments for Canada thistle control 8 months after treatment in corn and soybean.

    Using the Rosette Technique for Canada Thistle (Cirsium arvense) Control in Row Crops · 1998

    Same direction

  3. positive
    Spring-applied clopyralid, clopyralid plus triclopyr, or picloram gave Canada thistle control averaging 78% at 60 days after treatment, whether or not a prescribed burn preceded application.

    Fall-Prescribed Burn and Spring-Applied Herbicide Effects on Canada Thistle Control and Soil Seedbank in a Northern Mixed-Grass Prairie · 2005

    Same direction

See all 4 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.