Intervention effectmodel-written summary

The bean nodulation increase also occurred in the field.

A claim from Co-inoculation withBacillussp. CECT 450 improves nodulation inPhaseolus vulgarisL. · 2001

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The bean nodulation increase also occurred in the field.

Taxon
bean (Phaseolus vulgaris L.)Phaseolus vulgarise1
Treatment
co-inoculated with Rhizobium tropici CIAT 899e1
Interactor
Rhizobium tropici CIAT 899Rhizobium tropici CIAT 899e1symbiont
Second interactor
Bacillus sp. CECT 450e1symbiont
Outcome
nodulatione1
Direction
increasee0
Setting
field assaye0

Not reportedMaterialGeneCompoundOrgan / stageComparatorValueQualifier

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

Phaseolus vulgaris
Phaseolus vulgaris · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This increase was also observed in a field assay.”

✓ located verbatim in the source · abstract, characters 259–308
e1

“Bacillus sp. CECT 450 increased nodulation on bean (Phaseolus vulgaris L.) when co-inoculated with Rhizobium tropici CIAT 899.”

✓ located verbatim in the source · abstract, characters 11–137

Title

Co-inoculation withBacillussp. CECT 450 improves nodulation inPhaseolus vulgarisL.

M Camacho; C Santamaría; F Temprano; et al. Canadian Journal of Microbiology 2001. doi:10.1139/w01-107

Other claims from this paper (6)

Record rev-bd3aedb68a0ed97d593f58685f056b1473c87a69c13a9f632ac6b8c406c7d1b0 · schema claims-v0.9 · position 2 in the model’s answer

Martinezella tropici · symbiosis · Phaseolus vulgaris (common bean)Positive and negative results

13 papers: 12 positive, 1 negative or no effect

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

  1. no effect
    Nitrogen fixation with R. tropici ISRA 554 was not significantly different from non DCT treated common bean.

    Nodulation and nitrogen fixation of field grown common bean (Phaseolus vulgaris) as influenced by fungicide seed treatment · 2011 · compared with non DCT-treated common bean

    No difference from an alternative

  2. positive
    Co-inoculated plants had greater nodulation under severe drought.

    Co-Inoculation of Common Bean with Rhizobium and Azospirillum Enhance the Drought Tolerance · 2020

    Same direction

  3. positive
    Inoculation with Rhizobium tropici isolates significantly increased nodulation, growth and productivity of common bean.

    Nodulation, contribution of biological N2 fixation, and productivity of the common bean (Phaseolus vulgaris L.) inoculated with rhizobia isolates · 2017

    Same direction

  4. positive
    Inoculation with R. tropici significantly increased root nodule number in common bean compared with the other two treatments.

    Responses of Hydroponically Grown Common Bean Fed with Nitrogen-free Nutrient Solution to Root Inoculation with N2-fixing Bacteria · 2015 · compared with the other two treatments

    Same direction

  5. positive
    Inoculation with R. tropici strain CIAT899 gave higher nitrogen fixation in common bean.

    Symbiotic nitrogen fixation in nodules from ten common bean cultivars as a reliable estimator of yield during the early stages · 2012

    Same direction

  6. positive
    Rhizobium tropici inoculation increased nodules per common bean plant relative to mineral nitrogen fertilization.

    Supplementary reinoculation in topdressing ofRhizobium tropiciin common bean crop: effects on nodulation, morphology, and grain yield · 2021 · compared with nitrogen fertilization of 20 and 40 kg ha−1 of N in the base and topdressing

    Same direction

  7. positive
    Seed inoculation followed by R. tropici and A. brasilense reinoculation plus Mo/Co improved nodulation efficiency over mineral nitrogen fertilization.

    Reinoculation in Topdressing of Rhizobium tropici, Azospirillum brasilense, and the Micronutrients Mo/Co in Common Bean · 2024 · compared with mineral nitrogen fertilization

    Same direction

  8. positive
    Nodule weight and acetylene reducing activity were higher with R. tropici CIAT 899 with PQQ than in other treatments.

    PQQ-dependent organic acid production and effect on common bean growth by Rhizobium tropici CIAT 899 · 2003 · compared with other treatments

    Same direction

4 papers more in this group

See all 13 papers →

inoculation · symbiosis · Phaseolus vulgaris (common bean)Positive and negative results

90 papers: 83 positive, 7 negative or no effect

82 papers in the same direction as this claim · 7 in the opposite direction

  1. no effect
    Co-inoculation of bean seeds with Agrobacterium and Rhizobium strains did not enhance nodulation or plant yield under controlled conditions.

    Colonization of Phaseolus vulgaris nodules by Agrobacterium-like strains · 2005

    Opposite directionCites this paper

  2. positive
    Azospirillum inoculation significantly increased total and upper nodule numbers across Rhizobium concentrations.

    Promotion of nod Gene Inducers and Nodulation in Common Bean (Phaseolus vulgaris) Roots Inoculated with Azospirillum brasilense Cd · 1996

    Same directionCited by this paper

  3. positive
    Co-inoculation increased bean nodule and shoot dry matter and P contents relative to single inoculation.

    Evaluation of plant growth-promoting traits of Burkholderia and Rhizobium strains isolated from Amazon soils for their co-inoculation in common bean · 2013 · compared with single inoculation with CIAT 899T

    Same directionCites this paper

  4. no effect
    Mixing native and commercial inoculants did not further increase nodulation in both crops.

    Elucidating the Potential of Native Rhizobial Isolates to Improve Biological Nitrogen Fixation and Growth of Common Bean and Soybean in Smallholder Farming Systems of Kenya · 2016

    Opposite direction

  5. negative
    Inoculation with R. etli CFN42/pAM1a completely inhibited bean nodulation at the minimum optimal inoculum.

    The Enhancement of Ammonium Assimilation inRhizobium etliPrevents Nodulation ofPhaseolus vulgaris · 1995

    Opposite direction

  6. no effect
    The proportion of competing strains in the inoculum did not influence the nodule occupancy of the poorly competitive strain.

    Competition among Rhizobium leguminosarum bv. phaseoli strains for nodulation of common bean · 1992

    Opposite direction

  7. negative
    Inoculation at 3000 J2s produced the highest reported reductions in pod weight and nodule number.

    Damage Threshold of Root-Knot Nematode, Meloidogyne incognita on Common Bean Influenced by Planting Dates, and Inoculum Levels under Greenhouse Conditions · 2022

    Opposite direction

  8. no effect
    No nodulation was observed with peat based inoculum in Paddock 1.

    Is it worth inoculating common bean (Phaseolus vulgaris L.) · 2006

    Opposite direction

81 papers more in this group

See all 90 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.