Pochonia Chlamydosporia Manufacturer & Exporter | Bionematicides | Microbial Species

Pochonia chlamydosporia

Pochonia Chlamydosporia is a beneficial fungus effective against parasitic nematodes. It colonizes nematode eggs, preventing their development, offering sustainable pest control solutions.

Strength

1 x 10⁸ CFU per gram / 1 x 10⁹ CFU per gram / 1 x 10¹⁰ CFU per gram

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Benefits

Sustainable Nematode Management

Offers an environmentally friendly alternative to chemical nematicides, supporting sustainable agricultural practices.

Targets and Parasitizes Nematode Eggs

Prevents nematode development by parasitizing their eggs, effectively reducing nematode populations in the soil.

Effective in Various Conditions

Provides consistent nematode control across diverse soil types and climates.

Enhances Soil Health

Degrades nematode populations without leaving chemical residues, promoting healthier soil ecosystems.

Scientific References

Recent Research Publications

Uthoff, L.K., et al. (2023). "Biological enhancement of the cover crop Phacelia tanacetifolia with the nematophagous fungus Pochonia chlamydosporia to control the root-knot nematode Meloidogyne hapla." Biological Control, demonstrating up to 95.6% reduction in nematode eggs. link .springer
Hu, S., & Bidochka, M.J. (2025). "The endophytic fungi Metarhizium, Pochonia, and Trichoderma, improve salt tolerance in hemp (Cannabis sativa L.)." PLoS ONE, showing enhanced plant stress resistance. journals.plos
Shaliha, B., et al. (2024). "Bionomics and the role of antinemic metabolites of the nematophagous fungus, Pochonia chlamydosporia in suppressing phytonematodes - A Comprehensive Review." Tamil Nadu Agricultural University. d197for5662m48.cloudfront
Silva, A.R., et al. (2022). "Bacillus nematocida B16 Enhanced the Rhizosphere Colonization of Pochonia chlamydosporia ZK7." Microorganisms, revealing improved biocontrol efficiency through combined applications. mdpi
Martínez-Medina, A., et al. (2019). "Pochonia chlamydosporia Induces Plant-Dependent Systemic Resistance against Meloidogyne incognita in tomato." Frontiers in Plant Science, demonstrating induced plant resistance mechanisms. pmc.ncbi.nlm.nih
López-Llorca, L.V., et al. (2002). "Pochonia chlamydosporia: Advances and Challenges to Improve Its Performance as Biocontrol Agent of Root-Knot Nematodes." Applied Microbiology and Biotechnology. pmc.ncbi.nlm.nih
Esteves, I., et al. (2009). "Production of extracellular enzymes by different isolates of Pochonia chlamydosporia." Nematology, analyzing enzyme production patterns and parasitic mechanisms. pubmed.ncbi.nlm.nih

Mode of Action

Multi-Phase Biocontrol Mechanism

Phase 1: Soil Colonization and Establishment

Pochonia chlamydosporia establishes itself as a soil saprophyte and rhizosphere colonizer. The fungus demonstrates optimal growth at 25°C and maintains viability in soil for extended periods through chlamydospore formation. Rhizosphere colonization is enhanced by volatile organic compounds and root exudates, with colonization rates exceeding 90% in treated soils. pmc.ncbi.nlm.nih+2

Phase 2: Nematode Detection and Attachment

The fungus employs chemotaxis mechanisms to locate nematode eggs and females in the soil matrix. Fungal hyphae attach to egg surfaces within 24 hours of contact, guided by chemical signals from the nematode host. This process is facilitated by hydrophobic interactions and specialized attachment structures. d197for5662m48.cloudfront+1

Phase 3: Egg Penetration and Infection

Appressorium formation occurs on the second day after initial contact, creating specialized infection structures. The fungus secretes a complex array of extracellular enzymes including: d197for5662m48.cloudfront

Serine proteases (VCP1 and SCP1): Degrade eggshell proteins, with VCP1 showing host-specific activity nature+1
Chitinases (PCCHI44): Break down chitin components of the eggshell nature+2
Chitin deacetylases (CDA1 and CDA2): Convert chitin to chitosan, facilitating penetration nature
Lipases and esterases: Degrade lipid barriers in the eggshell pubmed.ncbi.nlm.nih

Phase 4: Internal Colonization

Complete colonization of eggs occurs by the fourth day, with fungal hyphae extensively colonizing internal egg contents. The process arrests nematode development at the gastrula stage, preventing juvenile formation. Chitosan formation is observed at penetration sites, indicating active chitin modification.nature+1

Phase 5: Endophytic Colonization and Plant Benefits

Pochonia chlamydosporia functions as a facultative root endophyte, colonizing plant roots without causing damage. Endophytic colonization provides multiple benefits: journals.plos+1

Induced systemic resistance: Activates salicylic acid (PR-1 gene) and jasmonate (LOX D gene) pathways pmc.ncbi.nlm.nih+1
Plant growth promotion: Increases plant height and stem diameter by 6-13% through phosphate solubilization and IAA production ecorfan
Stress tolerance: Enhances plant resistance to salinity and drought stress journals.plos

Phase 6: Population Regulation

The fungus exhibits density-dependent regulation, switching between saprophytic and parasitic lifestyles based on nematode population density. Optimal application density is 5 × 10³ propagules per cc soil, with fungal propagule lifespan lasting approximately 25 days. frontiersin

Additional Info

Target pests: Southern root-nematode, root-knot nematode, false root knot nematodes, burrowing nematodes, cyst nematodes, and root lesion nematodes

Recommended Crops: Vegetables, fruits, spices, flowers, medicinal crops, orchards, and ornamentals

Compatibility: Compatible with Bio Pesticides, Bio Fertilizers, and Plant growth hormones but not with chemical fertilizers and chemical pesticides.

Shelf Life: Stable within 1 year from the date of manufacturing.

Packing: We offer tailor-made packaging as per customers' requirements.

Dosage & Application

Wettable Powder: 2 x 10⁶ CFU per gram

Soil application (Soil drench or Drip irrigation):

1 Acre dose: 10-50 Kg
1 Ha dose: 25-125 Kg

Seasonal crops:

First application: At land preparation stage / sowing / planting
Second application: Three weeks after first application

Soil application (Soil drench or Drip irrigation) for Long duration crops / Orchards / Perennials:

1 Acre dose: 10-50 Kg
1 Ha dose: 25-125 Kg
Apply 2 times in 1 Year. Before onset of monsoon and after monsoon.

Seed Dressing:

1 Kg seed: 10 g Pochonia Chlamydosporia + 10 g crude sugar

Soluble Powder: 2 x 10⁶ CFU per gram

Soil application (Soil drench or Drip irrigation):

1 Acre dose: 10-50 Kg
1 Ha dose: 25-125 Kg

Seasonal crops:

First application: At land preparation stage / sowing / planting
Second application: Three weeks after first application

Soil application (Soil drench or Drip irrigation) for Long duration crops / Orchards / Perennials:

1 Acre dose: 1-5 kg
1 Ha dose: 2.5 – 12.5 Kg
Apply 2 times in 1 Year. Before onset of monsoon and after monsoon.

Seed Dressing:

1 Kg seed: 10g Pochonia Chlamydosporia + 10 g crude sugar

Seed Dressing Method

Mix Pochonia Chlamydosporia with crude sugar in sufficient water to make a slurry. Coat seeds and dry in shade before sowing/broadcasting/dibbling in the field. Do not store treated/coated seeds for more than 24 hours.

Soil Application Method

Mix Pochonia Chlamydosporia at recommended doses with compost and apply during early crop stages along with other biofertilizers. Apply twice for seasonal crops like vegetables:

First application: At land preparation stage / sowing / planting
Second application: Three weeks after first application.
Drip Irrigation: If there are insoluble particles, filter the solution and add to the drip tank.
Long duration crops / Perennial / Orchard crops:Dissolve Pochonia Chlamydosporia at recommended doses in sufficient water. Apply as a drenching spray near the root zone four times a year. First application should be before the onset of the main monsoon/rainfall/spring season, and the second application after the main monsoon/rainfall/autumn/fall season.

Pochonia Chlamydosporia may be used along with Paecilomyces lilacinus as a very effective nematode control application.

FAQ

What is Pochonia chlamydosporia?

Pochonia chlamydosporia is a beneficial nematophagous fungus belonging to the family Clavicipitaceae. Originally discovered in 1974 as a parasite of nematode eggs, it has become one of the most extensively studied biological control agents for plant-parasitic nematodes. The fungus exhibits multiple lifestyles as a soil saprophyte, root endophyte, and egg parasite, making it highly effective for sustainable nematode management. link.springer+2

What is the habitat of Pochonia chlamydosporia?

Pochonia chlamydosporia has a worldwide distribution and thrives in diverse soil environments. The fungus naturally occurs in: pmc.ncbi.nlm.nih

Primary Habitats

Agricultural soils: Particularly in nematode-suppressive soils where it parasitizes eggs naturally pmc.ncbi.nlm.nih
Rhizosphere environment: Colonizes the root zone of numerous plant species including Gramineae and Solanaceae pmc.ncbi.nlm.nih
Root endosphere: Lives inside plant roots as a beneficial endophyte without causing disease journals.plos+1

Environmental Preferences

Temperature range: Optimal growth at 25°C, reduced effectiveness above 30°C pmc.ncbi.nlm.nih
Soil types: Adapts to various soil textures and pH levels, with enhanced colonization in organic-rich soils mdpi
Moisture conditions: Requires adequate soil moisture for spore germination and hyphal growth pmc.ncbi.nlm.nih

Ecological Relationships

Plant associations: Forms beneficial relationships with monocot and dicot hosts pmc.ncbi.nlm.nih+1
Soil microbiome: Coexists with beneficial bacteria like Bacillus species, often showing synergistic effects mdpi
Nematode ecosystems: Specifically targets sedentary endoparasitic nematodes while preserving beneficial soil organisms pmc.ncbi.nlm.nih

How long does Pochonia chlamydosporia remain active in soil?

The fungus maintains biological activity for 25 days as active propagules in soil. However, it can survive much longer through chlamydospore formation, remaining viable for months to years in adverse conditions. Reapplication timing is recommended every 3 weeks during active growing seasons for optimal nematode control. frontiersin+1

Is Pochonia chlamydosporia safe for beneficial organisms?

Yes, Pochonia chlamydosporia is highly selective and safe for non-target organisms. It specifically targets plant-parasitic nematodes while preserving: indogulfbioag

Beneficial soil microbes and earthworms indogulfbioag
Pollinators and beneficial insects indogulfbioag
Mycorrhizal fungi and other plant symbionts indogulfbioag
Free-living nematodes that contribute to soil health pmc.ncbi.nlm.nih

Can Pochonia chlamydosporia be combined with other biocontrol agents?

Absolutely. Research shows excellent compatibility with other biological agents. Particularly effective combinations include: cambridge+1

Bacillus species: Enhanced rhizosphere colonization and improved biocontrol efficiency mdpi
Arthrobotrys cladodes: Complementary action with predatory nematophagous fungi cambridge+1
Paecilomyces lilacinus: Synergistic effects for comprehensive nematode control indogulfbioag

What crops benefit most from Pochonia chlamydosporia applications?

The fungus is highly versatile and effective on numerous crops: indogulfbioag

High-Value Crops

Vegetables: Tomatoes, peppers, cucumbers, and leafy greens
Fruits: Bananas, grapes, citrus, and berry crops
Ornamentals: Flowers, ornamental plants, and nursery crops

Field Crops

Cereals: Wheat, barley, and other grain crops
Root crops: Potatoes, carrots, and sugar beets (with specific timing considerations)
Industrial crops: Hemp, cotton, and other fiber crops journals.plos

How does application timing affect Pochonia chlamydosporia effectiveness?

Optimal timing is critical for maximum biocontrol efficacy:

Seasonal Applications

Spring application: Before planting or at sowing for establishing fungal populations
Growing season: Three weeks after initial application for sustained control
Perennial crops: Before monsoon onset and after monsoon for year-round protection indogulfbioag

Crop-Specific Timing

Short-season crops: Two applications sufficient for season-long control
Long-duration crops: Multiple applications required for continuous protection
Root vegetables: Early application preferred to avoid root deformation issues