Paenibacillus Polymyxa

Paenibacillus Polymyxa

Nitrogen fixing and plant growth promoting bacterial concentrate

Supports nitrogen fixation, nutrient mobilization, and rhizosphere biological activity

Paenibacillus polymyxa (formerly Bacillus polymyxa) is a Gram-positive, spore-forming bacterial concentrate widely used in biological agriculture for improving soil fertility, nutrient uptake, and plant growth promotion. The bacterium establishes beneficial rhizosphere interaction and supports healthier crop establishment under diverse growing conditions.

The microbial strain contributes to nitrogen fixation, phosphate solubilization, biocontrol activity, and production of plant growth-promoting substances that enhance root development and stress tolerance.

Target Functions

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Biological nitrogen fixation

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Rhizosphere colonization

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Plant growth promotion

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Biological suppression of soil pathogens

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Nutrient mobilization

Target Pathogens

Fusarium spp.

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Phytophthora spp.

Nitrogen Fixation

Converts atmospheric nitrogen into plant-available forms, helping improve soil fertility and crop growth.

Phosphate Solubilization

Produces enzymes and organic compounds that solubilize insoluble phosphate present in soil, improving nutrient availability.

Biocontrol Activity

Produces antimicrobial compounds including:

  • Polymyxins
  • Bacitracin

These metabolites suppress growth of pathogenic microorganisms.

Rhizosphere Colonization

Rapidly colonizes the root zone and establishes beneficial interaction with plant roots.

Plant Growth Promotion

Produces plant growth-promoting substances including:

  • Indole Acetic Acid (IAA)
  • Gibberellins
  • Cytokinins

These compounds stimulate root development, nutrient uptake, and plant vigor.

Abiotic Stress Support

Enhances plant tolerance against drought and environmental stress conditions.

Parameter Specification
Product Type Nitrogen Fixing & PGPR Bacterial Concentrate
Active Ingredient Paenibacillus polymyxa
Viable Count Minimum 1 × 10¹¹ CFU/g
Formulation Type Wettable Powder / Liquid Suspension
Packaging 1 kg / 25 kg bags
Shelf Life Up to 12 months under proper storage
Storage Conditions Store in cool, dry conditions away from sunlight and moisture
Usage After Opening Recommended within 30 days after opening

Benefit