Intervention effectmodel-written summary

Spraying 2,4-D at 1,000 ppm (1 kg a.i./ha) at the 5-leaf stage increased wheat grain yield.

A claim from Studies on Chemical Weed Control in Field Crops of Lebanon · 1970

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Spraying 2,4-D at 1,000 ppm (1 kg a.i./ha) at the 5-leaf stage increased wheat grain yield.

Organ / stage
5-leaf stagee2
Treatment
1,000 ppm of 2, 4–D acid equivalente2
Outcome
grain yielde2
Direction
increasee2

Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

e2

“At the 5-leaf stage, injury to wheat and barley occurred only when sprayed at 10,000 ppm, whereas an increase in the grain yield was obtained at 1,000 ppm of 2, 4–D acid equivalent (1 kg a.i./ha)”

✓ located verbatim in the source · abstract, characters 626–821

Title

Studies on Chemical Weed Control in Field Crops of Lebanon

Abdurrahman Saghir PANS Pest Articles & News Summaries 1970. doi:10.1080/09670877009411727

Other claims from this paper (14)

Record rev-c2a637063ffc31af2078ae76beb4e4287be062440bb47760f4bf6677d83e995e · schema claims-v0.9 · position 5 in the model’s answer

2,4-D · yield · Triticum aestivum (wheat)Results differ

116 papers: 78 positive, 38 negative or no effect

77 papers in the same direction as this claim · 34 in the opposite direction · 4 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative
  4. negative
  5. no effect
  6. negative
  7. negative
  8. negative

107 papers more in this group

See all 116 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.