Intervention effectmodel-written summary

Asparagus root extract did not affect tomato seedling growth.

A claim from Allelopathic Substances in Asparagus Roots: Extraction, Characterization, and Biological Activity · 1989

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Asparagus root extract did not affect tomato seedling growth.

Treatment
Aqueous extracts of asparagus ( Asparagus officinalis L.) rootse1
Interactor
asparagusAsparaguse1other
Outcome
Seedling growthe0
Direction
not affectede0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Solanum lycopersicum
Solanum lycopersicum · TaxonKod B · CC BY-SA 4.0 · Wikimedia Commons ↗
Asparagus
Asparagus · Interactor · picture of the genus (one of its species)Ольга Лялюк · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Seedling growth in tomato and two cultivars of wheat were not affected.”

✓ located verbatim in the source · abstract, characters 289–360
e1

“Aqueous extracts of asparagus ( Asparagus officinalis L.) roots”

✓ located verbatim in the source · abstract, characters 9–72

Title

Allelopathic Substances in Asparagus Roots: Extraction, Characterization, and Biological Activity

Jan P. Hazebroek; Stephen A. Garrison; Thomas Gianfagna Journal of the American Society for Horticultural Science 1989. doi:10.21273/jashs.114.1.152

Other claims from this paper (17)

Record rev-8f65e31760c30e0a492aacc04571d053e6a21503a6b392480c55f182c4aae039 · schema claims-v0.9 · position 9 in the model’s answer

botanical · growth · Solanum lycopersicum (tomato)Positive and negative results

291 papers: 203 positive, 88 negative or no effect

87 papers in the same direction as this claim · 203 in the opposite direction

  1. positive
  2. positive
  3. positive
  4. positive
  5. positive
  6. positive
  7. positive
  8. positive

282 papers more in this group

See all 291 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.