Intervention effectmodel-written summary

Bradyrhizobium inoculation increased cowpea dry matter production.

A claim from Effect of rates and sources of soluble phosphorus on the behavior of cowpea plants inoculated with rhizobacteria from soils of the north region of Brazil · 2017

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Bradyrhizobium inoculation increased cowpea dry matter production.

Taxon
cowpea plantsVigna unguiculatae0
Treatment
inoculation with Bradyrhizobium sp.e0
Interactor
Bradyrhizobium sp.Bradyrhizobiume0symbiont
Outcome
dry matter productione0
Direction
incremente0

Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier

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

Vigna unguiculata
Vigna unguiculata · TaxonHeraldDesa at English Wikipedia · CC BY-SA 3.0 · Wikimedia Commons ↗
Bradyrhizobium
Bradyrhizobium · Interactor · picture of the genus (one of its species)Louisa Howard - Dartmouth Electron Microscope Facility · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The findings of this study show that inoculation with Bradyrhizobium sp. promotes increment in the dry matter production and increases N and P absorption efficiency in cowpea plants.”

✓ located verbatim in the source · abstract, characters 1006–1188

Title

Effect of rates and sources of soluble phosphorus on the behavior of cowpea plants inoculated with rhizobacteria from soils of the north region of Brazil

de Oliveira Araujo Erica; Guimaraes Gerola Juliana; Raoni Gomes Ferreira Caiqui; et al. African Journal of Microbiology Research 2017. doi:10.5897/ajmr2017.8649

Other claims from this paper (6)

Record rev-d1664090ef4f1a5e22710b0ab5642465e6e03e6a9b5dfccc68756f0ba1babd8e · schema claims-v0.9 · position 1 in the model’s answer

Bradyrhizobium · yield · Vigna unguiculata (cowpea)Results differ

14 papers: 11 positive, 3 negative or no effect

10 papers in the same direction as this claim · 3 in the opposite direction

  1. no effect
    Co-inoculation with Bradyrhizobium sp. and Azospirillum brasilense did not influence the production components of cowpea.

    Yield of Cowpea Genotypes Inoculated With Bradyrhizobium and Azospirillum brasilense in Association With Phosphate Fertilization in Amazonian Soil · 2018

    Opposite directionCites this paper

  2. no effect
    Bradyrhizobium inoculation had no significant effect on cowpea grain yield.

    Influence of Bradyrhizobium Inoculation and Fungicide Seed Treatment on Development and Yield of Cowpea, Lablab, and Soybean · 2017 · compared with a control

    Opposite direction

  3. no effect
    Inoculating cowpea seeds with Bradyrhizobium strains BR 3262 and BR 3267 gave grain yields similar to those with mineral N.

    Agronomic performance of cowpea cultivars inoculated with rhizobia in the brazilian semiarid region · 2023 · compared with application of mineral N

    Opposite direction

  4. positive
    Co-inoculation increased cowpea grain yield by an average of 8% relative to Bradyrhizobium alone.

    Co-Inoculation with Azospirillum brasilense and Bradyrhizobium sp. Enhances Nitrogen Uptake and Yield in Field-Grown Cowpea and Did Not Change N-Fertilizer Recovery · 2022 · compared with standard inoculation with Bradyrhizobium sp.

    Same direction

  5. positive
    Simultaneous co-inoculation with Bradyrhizobium sp., P. graminis and P. durus stood out from all treatments in cowpea development and productivity.

    Rhizobium tropici exopolysaccharides as carriers improve the symbiosis of cowpea-Bradyrhizobium-Paenibacillus · 2015 · compared with all treatments

    Same direction

  6. positive
    Adding Bradyrhizobium inoculant to P and fertisoil increased cowpea shoot biomass yield from 1677 to 1913 kg ha−1.

    Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea · 2019 · compared with plots without Bradyrhizobium inoculation

    Same direction

  7. positive
    Bradyrhizobium inoculation significantly increased yield and yield components.

    Influence of Bradyrhizobia inoculation on growth, nodulation and yield performance of cowpea varieties · 2017 · compared with control

    Same direction

  8. positive
    Cowpeas treated with Bradyrhizobium bio-inoculants gave a higher grain yield in kg per hectare than the negative control and the fertilizer treatments.

    Evaluating the Yield Response to Bio-Inoculants of Vigna unguiculata in the Kavango Region in Namibia · 2018 · compared with negative control and the fertilizer treatments

    Same direction

5 papers more in this group

See all 14 papers →

inoculation · yield · Vigna unguiculata (cowpea)Results differ

116 papers: 99 positive, 17 negative or no effect

98 papers in the same direction as this claim · 16 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
    Co-inoculation with Bradyrhizobium sp. and Azospirillum brasilense did not influence the production components of cowpea.

    Yield of Cowpea Genotypes Inoculated With Bradyrhizobium and Azospirillum brasilense in Association With Phosphate Fertilization in Amazonian Soil · 2018

    Opposite directionCites this paper

  2. negative
    Virus-inoculated cowpea had significantly lower growth and yield than buffer controls.

    Interactions of viruses in Cowpea: effects on growth and yield parameters. · 2007 · compared with buffer inoculated control plants

    Opposite direction

  3. negative
    Time of CPSMV inoculation had the most profound impact on cowpea yield.

    Effect ofCowpea severe mosaic viruson Crop Growth Characteristics and Yield of Cowpea · 2005

    Opposite direction

  4. no effect
    Inoculation of cowpea with arbuscular mycorrhizal fungi alone gave no significant increase in shoot biomass or yield, whatever the soil type.

    Response of Cowpea to Symbiotic Microorganisms Inoculation (Arbuscular Mycorrhizal Fungi and Rhizobium) in Cultivated Soils in Senegal · 2015

    Opposite direction

  5. no effect
    Inoculation with two effective local rhizobial strains gave no significant yield difference over uninoculated and N-fed cowpea

    Response of cowpea Vigna unguiculata L Walp to nitrogen and inoculation in Trinidad · 1984 · compared with uninoculated and N-fed treatments

    Opposite direction

  6. no effect
    Bradyrhizobium inoculation had no significant effect on cowpea grain yield.

    Influence of Bradyrhizobium Inoculation and Fungicide Seed Treatment on Development and Yield of Cowpea, Lablab, and Soybean · 2017 · compared with a control

    Opposite direction

  7. negative
    Biofertilizer plus biochar produced about 2% fewer pods than SSP.

    EFFECT OF PLANT GROWTH PROMOTING RHIZOBACTERIA (PGPR) AND BIOCHAR ON SOIL PROPERTIES AND PERFORMANCE OF COWPEA (Vigna unguiculata (L.)Walp) · 2018 · compared with SSP

    Opposite direction

  8. no effect
    Grain yield did not differ among seven rhizobia inoculations, mineral nitrogen fertilization and controls.

    Strategies for Improving Cowpea Grain Yield in the Eastern Amazon: Biological Nitrogen Fixation, Phosphorus Nutrition, and Molybdenum Seed Enrichment · 2023 · compared with the control (without inoculation and N fertilization)

    Opposite direction

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.