Paecilomyces Lilacinus Manufacturer & Exporter | Bionematicides | Microbial Species

Paecilomyces lilacinus

Paecilomyces Lilacinus is a versatile biological agent employed as both a nematicide and seed treatment. It effectively targets and controls parasitic nematodes in agriculture.

Strength

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

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Benefits

Compatible with IPM Strategies

Compatible with Integrated Pest Management (IPM) strategies, allowing for sustainable pest control measures that integrate biological agents with other pest management.

Improves Nutrient Uptake

Improves nutrient uptake in plants and enhances overall plant vigor post-nematode attack, aiding in crop recovery and growth.

Suppresses Nematode Populations

Suppresses nematode populations through its ability to parasitize nematode eggs and compete with nematodes for resources in the soil.

Induces Systemic Resistance

Induces systemic resistance in plants, enhancing their ability to defend against nematode infestations by activating plant defense mechanisms.

Scientific References

Oclarit, E.L. & Cumagun, C.J.R. (2009). Evaluation of efficacy of Paecilomyces lilacinus as biological control agent of Meloidogyne incognita attacking tomato. Journal of Plant Protection Research, 49(4), 337-340. plantprotection+1

Liu, Z.J., Shan, L.L. & Chen, X.F. (2024). Identification and growth-promoting effect of Paecilomyces lilacinus a biocontrol fungi for walnut rot disease. PLoS ONE, 19(12), e0314160. journals.plos+1

Khan, A., Williams, K.L. & Nevalainen, H.K.M. (2006). Effects of Paecilomyces lilacinus protease and chitinase on the eggshell structures and viability of Meloidogyne javanica eggs. Biological Control, 38, 346-352. pmc.ncbi.nlm.nih

López-Llorca, L.V. & Duncan, G.H. (1988). Nematicidal activity of Paecilomyces lilacinus culture filtrates. Annals of Applied Biology, 113, 603-612. horizon.ird

EPA Biopesticides Fact Sheet (2005). Paecilomyces lilacinus strain 251. United States Environmental Protection Agency, Office of Pesticide Programs. epa

Yang, J. et al. (2024). Effects of Paecilomyces lilacinus and Bacillus pumilus on stem nematode control and bacterial community structure. Scientific Reports, 14, 24268. pmc.ncbi.nlm.nih+1

Cayrol, J.C., Djian, C. & Pijarowski, L. (1992). Study of the nematicidal properties of the culture filtrate of the nematophagous fungus Paecilomyces lilacinus. Revue de Nématologie, 15(4), 501-507. horizon.ird

Kiewnick, S. & Sikora, R.A. (2006). Biological control of the root-knot nematode Meloidogyne incognita by Paecilomyces lilacinus strain 251. Biological Control, 38, 179-187. apsjournals.apsnet

Mode of Action

Spore Attachment and Germination: Paecilomyces lilacinus initiates control by attaching spores to nematode eggs, juveniles, and adult females. Upon contact, spores germinate and develop fungal hyphae that grow toward target nematodes. novobac+2

Appressorium Formation: The fungus forms specialized attachment structures called appressoria at hyphal tips, acting as anchors to firmly attach to the nematode's body surface. This ensures secure connection for subsequent invasion processes. amruthfarming+1

Enzymatic Degradation: Once attached, the fungus secretes powerful enzymes including chitinase, protease, and β-1,3 glucanase that break down proteins in the nematode's cuticle and cell wall. These enzymes create openings for fungal penetration and weaken the nematode's structural integrity. indogulfbioag+3

Penetration and Colonization: Fungal hyphae penetrate the nematode's body cavity through enzyme-created openings. The fungus then absorbs nutrients from the nematode, gradually weakening and eventually killing the target organism. novobac+2

Reproduction and Spread: Following successful colonization, Paecilomyces lilacinus reproduces within the deceased nematode, producing new spores that disperse throughout the soil to infect additional nematodes. This creates a self-sustaining biocontrol cycle in the rhizosphere environment. katyayanikrishidirect

Toxin Production: The fungus may also secrete nematicidal toxins with neurotropic effects, causing paralysis in susceptible nematode species. These toxins provide an additional control mechanism beyond direct parasitism. horizon.ird+1

Dosage & Application

Wettable Powder: 1 x 10⁸ 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

Long Duration Crops/Orchards/Perennials

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

Seed Treatment

1 Kg seed: 10g Paecilomyces lilacinus + 10g crude sugar

Soluble Powder: 1 x 10⁹ CFU per gram

Soil Application (Soil drench or Drip irrigation):

1 Acre dose: 1-5 Kg
1 Ha dose: 2.5-12.5 Kg

Application Methods

Soil Application Method: Mix Paecilomyces lilacinus at recommended doses with compost and apply during early crop stages. For seasonal crops, apply twice - first at land preparation/sowing/planting, second application three weeks later.

Drip Irrigation: Filter solution to remove insoluble particles before adding to drip tank. Apply dissolved product through irrigation system during early morning or evening hours.

Seed Treatment Method: Mix Paecilomyces lilacinus with crude sugar in sufficient water to make slurry. Coat seeds thoroughly and dry in shade before sowing. Do not store treated seeds for more than 24 hours.

Target Crops: Vegetables, fruits, spices, flowers, medicinal crops, orchards, ornamentals, tomatoes, potatoes, peppers, cucumbers, melons, bananas, citrus, and all field crops susceptible to nematode damage.

FAQ

What nematodes does Paecilomyces lilacinus control?

Paecilomyces lilacinus is effective against root-knot nematodes (Meloidogyne spp.), cyst nematodes (Heterodera and Globodera spp.), reniform nematodes, citrus nematodes, lesion nematodes, and burrowing nematodes. It shows particularly high efficacy against Meloidogyne incognita with parasitism rates up to 70%. epa+2

How long does it take to see results?

Initial effects may be observed within 2-4 weeks, but optimal results typically appear 6-8 weeks after application. The fungus requires time to establish in soil and build up sufficient populations to effectively control nematodes. abimicrobes+2

Is Paecilomyces lilacinus safe for beneficial organisms?

Yes, this biological agent is highly selective and safe for non-target organisms including beneficial soil microbes, earthworms, and insects. It does not harm humans, animals, or the environment when used according to label directions. wesframarket+1

Can it be mixed with other treatments?

Paecilomyces lilacinus is compatible with other bionematicides, biofertilizers, and plant growth hormones. However, it should not be mixed with chemical fertilizers or chemical pesticides as these may reduce its effectiveness. indogulfbioag+1

What is the optimal soil temperature for application?

The fungus performs best at soil temperatures between 21-27°C (70-81°F). It does not survive at temperatures above human body temperature (37°C), making it safe for handling. epa

How should the product be stored?

Store in a cool, dry place away from direct sunlight. The product maintains viability for up to 12 months under proper storage conditions. Refrigerated storage can extend shelf life to 18 months. abimicrobes Can Paecilomyces lilacinus help protect crops from root damage caused by nematodes?

Yes, Paecilomyces lilacinus can help protect crops by targeting harmful plant-parasitic nematodes in the soil. These nematodes often attack plant roots, causing weak growth, poor nutrient uptake, and lower yield. Paecilomyces lilacinus works naturally by attacking nematode eggs and young stages, which helps reduce their population around the root zone. When used correctly with good soil moisture and proper application timing, it supports healthier root development and can be a useful part of sustainable nematode management. It is especially helpful for farmers looking for a biological alternative to chemical nematicides. The linked guide explains this mode of action and its role in biological nematode control.