Intervention effectmodel-written summary

Double-rate clopyralid reduced winter wheat grain yield in some station years.

A claim from The influence of fall and spring herbicide application on winter wheat · 1988

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Double-rate clopyralid reduced winter wheat grain yield in some station years.

Taxon
winter wheatTriticum aestivumt0
Treatment
clopyralide2
Outcome
grain yielde2
Direction
reducede2
Qualifier
in some station yearse2
Comparator
recommended ratese6

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValue

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

t0

“fall and spring herbicide application on winter wheat”

✓ located verbatim in the source · title, characters 17–70
e2

“grain yield was reduced at the double rate with 2,4-D, MCPA, bromoxynil, bromoxynil plus MCPA and clopyralid in some station years”

✓ located verbatim in the source · abstract, characters 579–709
e6

“Recommended and double recommended rates were tested to establish the existence of a safety margin”

✓ located verbatim in the source · abstract, characters 362–460

Title

The influence of fall and spring herbicide application on winter wheat

D. A. Derksen; K.J. Kirkland; R. Ashford; et al. 1988

Other claims from this paper (8)

Record rev-ab32fcc8f7d274a487a0c4078bdf2fb8b9907e1a9de6e29c27c5e203d724e34d · schema claims-v0.9 · position 6 in the model’s answer

clopyralid · yield · Triticum aestivum (wheat)Results differ

6 papers: 1 positive, 5 negative or no effect

4 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
  2. negative
  3. no effect
  4. negative
  5. no effect
See all 6 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.