Intervention effectmodel-written summary

Granular 2,4‐D gave consistently high rice yield.

A claim from Weed control in direct‐seeded lowland rice under poor water control conditions · 1981

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Granular 2,4‐D gave consistently high rice yield.

Treatment
granular 2,4‐D at 1.0 kg/hae0
Interactor
weedse0weed
Outcome
Crop yielde0
Direction
highe0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Oryza sativa
Oryza sativa · Taxon · picture from its Wikimedia Commons categoryDesmanthus4food · CC BY-SA 3.0 us · Wikimedia Commons ↗

Verbatim

e0

“Crop yield was consistently high in plots where weeds were controlled with post‐emergence application of MCPA + propanil at 1.0+1.7 kg/ha, propanil + thiobencarb 2.2+1.2 kg/ha, oxadiazon 1.5 kg/ha, bentazon 2.0, granular 2,4‐D at 1.0 kg/ha”

✓ located verbatim in the source · abstract, characters 490–729
t0

“direct‐seeded lowland rice”

✓ located verbatim in the source · title, characters 16–42

Title

Weed control in direct‐seeded lowland rice under poor water control conditions

I. OKEZIE AKOBUNDU Weed Research 1981. doi:10.1111/j.1365-3180.1981.tb00128.x

Other claims from this paper (10)

Record rev-871fcce303ab5e7feb5d74c15c5b3a24c2d2153d364917c9e81c30059f5ad302 · schema claims-v0.9 · position 9 in the model’s answer

2,4-D · yield · Oryza sativa (rice)Positive and negative results

62 papers: 52 positive, 10 negative or no effect

51 papers in the same direction as this claim · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Rice yields under the mixture were statistically similar to regional weed control treatment.

    Control de malezas en arroz de temporal con clomazone, solo y en mezcla con propanil y 2,4-D. · 2006 · compared with weed control regional treatment

    Opposite direction

  2. negative
    The amine salt of 2,4-D applied on the day of planting reduced rice grain yield in all trials.

    Rice (Oryza sativa) Response to Soil Residues of Selected Herbicides · 1997

    Opposite direction

  3. no effect
    2,4-D or metsulfuron methyl could incorporate dhaincha without affecting yield.

    Direct and residual effect of concurrent growing of dhaincha (Sesbania aculeata) in wet-seeded rice (Oryza sativa) on the productivity of rice–rice cropping system · 2010

    Opposite direction

  4. no effect
    Rice yields under clomazone treatments were statistically similar to regional controls.

    Control de malezas en arroz de temporal con clomazone, propanil y 2,4-D. · 2006 · compared with regional controls

    Opposite direction

  5. negative
    BRRI dhan57 lost yield under 2,4-D amine.

    Response of Transplanted Aman Rice Varieties to Herbicides in Strip-Tilled Non-Puddled Soil · 2017

    Opposite direction

  6. negative
    In 1994, chlorimuron or the tested mixtures gave significantly lower paddy yield than butachlor or higher-dose anilofos.

    Performance of Tank Mixture of Chlorimuron and Anilofos to Control Weeds in Transplanted Rice · 1997 · compared with butachlor at 1500 g/ha or anilofos at 400 g/ha

    Opposite direction

  7. negative
    2, 4-D gave significantly lower grain yield of rice than other treatments.

    Effect of Weed Control Methods on Growth and Yield of Unpuddled Rice1 · 1984 · compared with other treatments

    Opposite direction

  8. no effect
    The fall pyroxasulfone plus 2,4-D treatment did not reduce rice yield.

    The Impact of Herbicide-Resistant Rice and Hybrid Rice Technology on Weedy Rice Evolution · 2015

    Opposite direction

53 papers more in this group

See all 62 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.