Intervention effectmodel-written summary

Inoculation with selected Azospirillum brasilense strains increased soybean nodulation

A claim from Related Growth Parameters in Soybean Plants Inoculated withAzospirillum brasilense · 2011

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Inoculation with selected Azospirillum brasilense strains increased soybean nodulation

Taxon
soybeanGlycine maxe0
Material
different varietiese0
Treatment
inoculation with selected strains of Azospirillum brasilensee0
Interactor
rhizobiae1symbiont
Second interactor
AzospirillumAzospirillume1symbiont
Outcome
nodulatione1
Direction
increasede1
Setting
Tucumán, Argentinae0

Not reportedGeneCompoundOrgan / stageComparatorValueQualifier

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

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗
Azospirillum
Azospirillum · Second interactorFadelblaid · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The aim of this study was to determine the effect of inoculation with selected strains of Azospirillum brasilense on the production of different varieties of soybean cultivated in Tucumán, Argentina”

✓ located verbatim in the source · abstract, characters 170–368
e1

“We found that wild strains of rhizobia were not affected by inoculation with Azospirillum and increased grain yield and nodulation, and nitrogen fixation was largest”

✓ located verbatim in the source · abstract, characters 501–666

Title

Related Growth Parameters in Soybean Plants Inoculated withAzospirillum brasilense

Carlos H. Bellone; S. Carrizo de Bellone; Victor Cordileone Journal of Crop Improvement 2011. doi:10.1080/15427528.2011.583716

Other claims from this paper (3)

Record rev-e04d533b9589423b631ae121da78a02e4b468dc70ff38fdca8e92745edd284d2 · schema claims-v0.9 · position 2 in the model’s answer

Azospirillum brasilense · symbiosis · Glycine max (soybean)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this claim

  1. positive
    Co-inoculation raised soybean nodulation by up to 350% each season.

    Benefits of soybean co-inoculation with Bradyrhizobium spp. and Azospirillum brasilense: Large-scale validation with farmers in Brazil · 2024 · compared with non-inoculated

    Same direction

  2. positive
    Co-inoculation with one dose of B. japonicum and two of A. brasilense increased soybean nodule dry mass.

    Co-inoculation of Bradyrhizobium japonicum and Azospirillum brasilense in the Soybean Crop · 2020

    Same direction

See all 3 papers →

inoculation · symbiosis · Glycine max (soybean)Positive and negative results

310 papers: 265 positive, 45 negative or no effect

264 papers in the same direction as this claim · 43 in the opposite direction · 2 reporting no difference from an alternative

  1. negative
    Prior inoculation of one soybean root half suppressed later nodules on the other half.

    Suppression of Nodule Development of One Side of a Split-Root System of Soybeans Caused by Prior Inoculation of the Other Side · 1984

    Opposite direction

  2. no effect
    Restricting first inoculum to the initially susceptible root region had little effect on nodulation in younger regions.

    A Rapid Regulatory Response Governing Nodulation in Soybean · 1983

    Opposite direction

  3. negative
    Without nitrate, a seven-day inoculation delay suppressed nts382 nodulation by only 30%.

    Lack of Systemic Suppression of Nodulation in Split Root Systems of Supernodulating Soybean (Glycine max [L.] Merr.) Mutants · 1989

    Opposite direction

  4. no effect
    High-rate USDA 110 inoculation did not significantly alter strain distribution in soybean nodules.

    Persistence and Recovery of Rhizobium japonicum Inoculum in a Field Soil1 · 1984

    Opposite direction

  5. no effect
    inoculation with rhizobia did not affect soybean %Ndfa.

    Understanding variability in the benefits of N2-fixation in soybean-maize rotations on smallholder farmers’ fields in Malawi · 2017

    Opposite direction

  6. no effect
    A 4 to 24 hour nitrate pulse did not substantially inhibit nodule number after removal.

    Nitrate Induced Regulation of Nodule Formation in Soybean · 1987 · compared with no-nitrate conditions

    Opposite direction

  7. no effect
    Inoculation did not affect nodulation or plant growth.

    Influence of Rhizobium japonicum Strains and Inoculation Methods on Soybeans Grown in Rhizobia‐populated Soil1 · 1978

    Opposite direction

  8. no effect
    Inoculation strategies gave similar soybean nodule number to the non-inoculated control.

    Soybean yield, biological N2 fixation and seed composition responses to additional inoculation in the United States · 2019 · compared with non-inoculated control

    Opposite direction

301 papers more in this group

See all 310 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.