Rn1 plus Enterobacter B gave maximum nodulation increase in NIFA 88 compared with controls.

Rhizobium · symbiosis · Cicer arietinum (chickpea)Positive and negative results

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

1. no effect
   Rhizobium alone and dual inoculation did not differ significantly for nodule number and weight.

   Changes in root and nutrient uptake of chickpea affected by organic fertilizers and inoculation with arbuscular mycorrhizal fungi and Rhizobium · 2024 · compared with dual inoculation of mycorrhiza and Rhizobium

   No difference from an alternative

2. positive
   Single, dual, and triple bacterial inoculations significantly increased shoot, root and nodule dry weight versus control in controlled and field trials.

   Influence of Nitrogen Fixing and Phosphorus Solubilizing Bacteria on the Nodulation, Plant Growth, and Yield of Chickpea · 2007 · compared with control treatment

   Same direction

3. positive
   Rhizobacterial co-inoculation with Rhizobium significantly increased nodule weight, root and shoot biomass, and total plant nitrogen.

   Stimulation of nitrogen fixation and induction of flavonoid-like compounds by rhizobacteria · 1999

   Same direction

4. positive
   In a chickpea pot experiment, combining Rhizobium inoculation with seed priming significantly increased nodulation.

   The improvement of crop yield in marginal environments using ‘on-farm’ seed priming: nodulation, nitrogen fixation, and disease resistance · 2005

   Same direction

5. positive
   Rhizobium + PSB inoculation was the most effective microbial inoculant for nodule number in chickpea

   Effect ofRhizobiumand Phosphate Solubilizing Bacterial Inoculants on Symbiotic Traits, Nodule Leghemoglobin, and Yield of Chickpea Genotypes · 2013 · compared with microbial inoculants

   Same direction

6. positive
   Inoculation increased nodule number by 20% over uninoculated plants.

   Effect of chickpea in association with Rhizobium to crop productivity and soil fertility · 2016 · compared with uninoculated plants

   Same direction

7. positive
   Rhizobium inoculation significantly increased nodule number and nodule dry weight versus no treatment.

   Effect of irrigation and biofertilizer on water use, nodulation, growth and yield of chickpea (Cicer arietinumL.) · 2011 · compared with no treatment

   Same direction

8. positive
   The combined treatments significantly increased chickpea nodules per plant.

   Effect of phosphorus, Sulphur and biofertilizers on growth attributes and yield of chickpea (Cicer arietinum L.) · 2018 · compared with control /un-inoculated

   Same direction

43 papers more in this group

Enterobacter · symbiosis · Cicer arietinum (chickpea)Results agree

1 paper in the same direction as this claim

1. positive
   Co-inoculation with Mesorhizobium sp. and Enterobacter sp. promisingly improved nodule number, grain yield, and seed protein.

   Effect of bio‐fertilization and edapho‐climatic conditions on chickpea nodulation, grain yields, and seed protein in a Mediterranean context: a meta‐analysis approach · 2026

   Same directionCites this paper

inoculation · symbiosis · Cicer arietinum (chickpea)Positive and negative results

109 papers in the same direction as this claim · 3 in the opposite direction · 1 reporting no difference from an alternative

1. positive
   CPS-2, CPS-3 and Ca-18 gave the maximum positive effects on chickpea shoot and nodulation traits.

   Phosphorus uptake and growth promotion of chickpea by co-inoculation of mineral phosphate solubilising bacteria and a mixed rhizobial culture · 2004

   Same directionCited by this paper

2. positive
   Inoculation with O. ciceri alone or with M. ciceri produced 42% more chickpea nodules than uninoculated controls.

   Differential response of kabuli and desi chickpea genotypes toward inoculation with PGPR in different soils · 2015 · compared with non-inoculated controls

   Same directionCites this paper

3. positive
   Rhizobial inoculation improved nodule number (NN) by +34.98 nodules under semi‐arid conditions.

   Effect of bio‐fertilization and edapho‐climatic conditions on chickpea nodulation, grain yields, and seed protein in a Mediterranean context: a meta‐analysis approach · 2026

   Same directionCites this paper

4. no effect
   Prior bradyrhizobial inoculation did not increase nodule number.

   Development and activity of the symbiosis between Bradyrhizobium strains, Glomus species and Cicer arietinum: effect of timing of inoculation and photon irradiance · 1994

   Opposite direction

5. negative
   Inoculation with Macrophomina phaseolina decreased the functional nodule count of chick pea.

   Seed treatment with bio-fungicides for management of dry root rot of Chick pea caused by Macrophomina phaseolina · 2015

   Opposite direction

6. negative
   Chickpea growth and nodulation progressively decreased as the inoculum level of Meloidogyne incognita race 3 increased.

   Effect of different inoculum levels of Meloidogyne incognita race 3 on the growth of chickpea · 1992

   Opposite direction

7. no effect
   Rhizobium alone and dual inoculation did not differ significantly for nodule number and weight.

   Changes in root and nutrient uptake of chickpea affected by organic fertilizers and inoculation with arbuscular mycorrhizal fungi and Rhizobium · 2024 · compared with dual inoculation of mycorrhiza and Rhizobium

   No difference from an alternative

8. positive
   Single, dual, and triple bacterial inoculations significantly increased shoot, root and nodule dry weight versus control in controlled and field trials.

   Influence of Nitrogen Fixing and Phosphorus Solubilizing Bacteria on the Nodulation, Plant Growth, and Yield of Chickpea · 2007 · compared with control treatment

   Same direction

105 papers more in this group