Intervention effectmodel-written summary

Isoproturon raised wheat grain yield by 45.3 percent relative to 2,4-D.

A claim from Interaction effects of nitrogen levels and weed control measures in wheat. · 1990

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Isoproturon raised wheat grain yield by 45.3 percent relative to 2,4-D.

Treatment
isoproturon (0.75 kg/ha)e0
Outcome
grain yield of wheate0
Direction
improvede0
Value
45.3e0
Comparator
2,4-De0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

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

e0

“isoproturon (0.75 kg/ha) improved grain yield of wheat by 45.3 and 9.1 per cent as compared to crop treated with 2,4-D”

✓ located verbatim in the source · abstract, characters 420–538

Title

Interaction effects of nitrogen levels and weed control measures in wheat.

U. S. Walia; L. S. Brar; S. P. Mehra Indian Journal of Weed Science 1990

Other claims from this paper (3)

Record rev-e949beb8de35fbe3f6052a068439dbaec6125ef7f983611b57cecd4a97a7c00f · schema claims-v0.9 · position 2 in the model’s answer

isoproturon · yield · Triticum aestivum (wheat)Results differ

89 papers: 75 positive, 14 negative or no effect

74 papers in the same direction as this claim · 7 in the opposite direction · 7 reporting no difference from an alternative

  1. positive
    Post-emergence isoproturon gave the maximum grain plus straw yield, up to the level of weed-free control

    Comparative efficacy of different post-Emergence herbicides in wheat (Triticum aestivum L.). · 2012 · compared with weed-free control

    Same directionCites this paper

  2. negative
    Isoproturon depressed wheat yield and appeared phytotoxic.

    Efficacy of various herbicides against weeds in wheat (Triticum aestivum L.) · 2012

    Opposite direction

  3. negative
    Isoproturon produced significantly less grain yield than new herbicides in 1997–98.

    Bioefficacy of New Herbicides for the Control of Resistant Phalaris minor in Wheat · 1999 · compared with new herbicides

    Opposite direction

  4. negative
    Pendimethalin plus isoproturon affected Clever grain yield only in the hard-winter season.

    Sensitivity of Winter Wheat Cultivars to Selected Herbicides · 2010

    Opposite direction

  5. negative
    IP 1.0 negatively influenced crop dry matter accumulation and grain yield.

    Weed suppression and crop yield in wheat after mustard seed meal aqueous extract application with reduced rate of isoproturon · 2021

    Opposite direction

  6. negative
    Isoproturon gave significantly lower wheat grain yield than tralkoxydim, clodinafop, fenoxaprop-p-ethyl and sulfosulfuron under all residue management systems.

    Influence of Paddy Residue Management Techniques on the Bioefficacy of Herbicides for Control of Phalaris minor in Rice-Wheat System · 2003 · compared with tralkoxydim (0.35 kg ha-1), clodinafop (0.06 kg ha−1), fenoxaprop-p-ethyl (0.10 kg ha−1) and sulfosulfuron (0.025 kg ha−1)

    Opposite direction

  7. negative
    Applications beyond 40 days significantly reduced wheat growth and grain yield.

    Effect of Time of Application of Isoprotnron on the Control of Weeds in Wheat (Triticum Aesiivum) · 1988

    Opposite direction

  8. negative
    Isoproturon plus 2,4-D reduced wheat grain yield.

    Influence of graded doses of nitrogen and isoproturon on the control of weeds in wheat. · 1990

    Opposite direction

80 papers more in this group

See all 89 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.