Purpureocillium lilacinum Nematode Biocontrol Agent

JINMAI-Nematode Deterrence Alliance® is a microbial nematode biocontrol agent formulated with Purpureocillium lilacinum for biological management of root-knot nematodes and protection of crop root systems. With a viable fungal count of ≥ 1 × 10⁹ CFU/g, the powder formulation is designed for application in the soil and root zone, where nematodes can directly affect root development and crop performance.

Purpureocillium lilacinum can colonize and parasitize different developmental stages of nematodes under suitable conditions, particularly eggs and juveniles, while producing metabolites with nematicidal activity. At the same time, its biological activity can support root development and contribute to a healthier rhizosphere.

Unlike broad-spectrum microbial products, JINMAI-Nematode Deterrence Alliance® is positioned specifically around the nematode–root–soil relationship, making it a suitable component of integrated biological nematode management programs.

How Does Purpureocillium lilacinum Work?

The biological activity of JINMAI-Nematode Deterrence Alliance® can be understood through several complementary mechanisms:

Fungal Spores Enter the Root Zone
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Colonization Under Suitable Soil Conditions
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Interaction With Nematode Eggs & Juveniles
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Parasitic Activity & Nematicidal Metabolites
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Reduced Nematode Pressure Around Roots
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Better Root Protection & Development

This makes Purpureocillium lilacinum particularly relevant for preventive biological management of nematode populations in the crop root zone.

Technical Indicators

Key Features

Product Efficacy

⦁ Helps Suppress Root-Knot Nematodes

JINMAI-Nematode Deterrence Alliance® is primarily designed to reduce root-knot nematode pressure in the soil. Its fungal activity can target different nematode stages and help limit their establishment around crop roots.

⦁ Protects Roots & Promotes Root Growth

By reducing nematode pressure while supporting biological activity in the root zone, the product helps maintain healthier roots. Better root development can contribute to improved water and nutrient uptake and stronger crop establishment.

⦁ Supports Plant Health

The beneficial fungal activity can contribute to a more favorable rhizosphere environment and support plant growth. Its metabolites may also help suppress certain plant pathogens, providing additional biological support for crop health.

⦁ Suitable for Integrated Nematode Management

The product can be incorporated into integrated pest and soil health programs alongside crop rotation, resistant varieties, soil management, sanitation, and other approved biological or chemical measures.

Applications

	Fruit Trees ⦁ Suitable Crops: Citrus, grape, banana, apple, pear and other orchard crops. ⦁ Function: Helps manage root-knot nematode pressure in the root zone and supports healthy root development, nutrient uptake, and long-term tree growth.
	Vegetables ⦁ Suitable Crops: Tomato, cucumber, pepper, eggplant and other vegetable crops. ⦁ Function: Suitable for crops vulnerable to root-knot nematodes, helping protect roots and support vigorous vegetative growth.
	Fruit & Berry Crops ⦁ Suitable Crops: Strawberry, melon, watermelon and other fruiting crops. ⦁ Function: Supports root health and crop establishment while helping reduce biological pressure from plant-parasitic nematodes.
	Field Crops ⦁ Suitable Crops: Soybean, corn, cotton, rice and other field crops. ⦁ Function: Can be incorporated into soil management programs to support root protection and maintain healthier crop development under nematode pressure.
	Greenhouse Crops ⦁ Suitable Crops: Greenhouse vegetables, fruit crops and nursery plants. ⦁ Function: Particularly useful for intensive production systems where repeated cultivation can increase the risk of root-zone nematode accumulation.

Method Of Use

Note: The specific usage and dosage can be adjusted according to the differences in regions, crop types, yields, etc, under the advice of technical personnel.

Optimal Application Timing

• Pre-Sowing or Transplanting: Apply to soil to reduce nematode populations before crop establishment.

• Seedling Stage: Use for root dipping or soil drenching to protect young plants.

• Vegetative Growth Stage: Apply to maintain beneficial microbial balance and suppress nematode multiplication.

• Rehabilitation Stage (continuous cropping soils): Apply after harvest to reduce nematode survival and restore soil health.

Precautions

1. This product is a live microbial formulation. Do not use it together with antibiotics, fungicides, or disinfectants.

2. Store in a cool, dry place away from direct sunlight. Recommended storage temperature: 5–25 °C.

3. Shelf life: 12 months when kept sealed.

FAQ

1. What is Purpureocillium lilacinum?

Purpureocillium lilacinum is a beneficial entomopathogenic and nematophagous fungus widely studied for biological management of plant-parasitic nematodes. It can be incorporated into microbial crop protection programs targeting nematode pressure.

2. What nematodes can Purpureocillium lilacinum help control?

Purpureocillium lilacinum is particularly associated with the biological management of root-knot nematodes (Meloidogyne spp.). Its use can help reduce nematode pressure and support healthier root systems when incorporated into an integrated nematode management program.

3. How does Purpureocillium lilacinum control root-knot nematodes?

The fungus can interact with nematode eggs and other nematode life stages and may produce enzymes and metabolites that contribute to nematode suppression. Its biological activity can help reduce root-knot nematode pressure in the crop rhizosphere.

4. What are the benefits of a Purpureocillium lilacinum biocontrol agent?

It provides a biological approach to nematode management and can help suppress root-knot nematodes, protect root systems, maintain root health, and support healthy crop growth.

5. What is the viable fungal count of this product?

The product contains viable fungal count ≥ 1 × 10⁹ CFU/g. CFU/g is commonly used to indicate the viable population of microorganisms in microbial agricultural products.

6. What crops can use Purpureocillium lilacinum biocontrol products?

Purpureocillium lilacinum products can be incorporated into nematode management programs for crops including vegetables, fruit trees, field crops, greenhouse crops, and other susceptible agricultural crops, subject to local registration and approved product uses.

7. Can Purpureocillium lilacinum replace chemical nematicides?

Purpureocillium lilacinum can be an important component of integrated nematode management (INM/IPM), but it should not automatically be considered a complete replacement for chemical nematicides. Its effectiveness depends on the target nematode, crop, environmental conditions, application method, and local regulatory requirements.