Mycosynthesis of chitosan-selenium nanocomposite and its activity as an insecticide against the cotton leafworm Spodoptera littoralis
2025

Using Fungi to Create Safe Insecticides for Cotton Pests

Sample size: 100 publication 10 minutes Evidence: high

Author Information

Author(s): Ibrahiem Sohila A., Reda Fifi M., Abd-ElAzeem Eman M., Hashem Mostafa S.

Primary Institution: Plant Protection Research Institute, Agriculture Research Center, Giza, Egypt

Hypothesis

Can selenium nanoparticles and chitosan-selenium nanocomposites effectively control the cotton leafworm, Spodoptera littoralis, while being safe for beneficial insects like honeybees?

Conclusion

The study found that both selenium nanoparticles and chitosan-selenium nanocomposites are effective insecticides against the cotton leafworm and safe for honeybee populations.

Supporting Evidence

  • The biosynthesized nanomaterials showed significantly higher mortality rates against S. littoralis compared to the control.
  • Ch-SeNPs demonstrated stronger insecticidal activity than SeNPs.
  • Cytotoxicity tests indicated that the nanoparticles were safe for honeybee populations.

Takeaway

Scientists made tiny particles from fungi that can kill harmful bugs on cotton plants without hurting bees.

Methodology

The study involved bio-fabricating selenium nanoparticles and chitosan-selenium nanocomposites using fungal filtrate, followed by testing their insecticidal effects on cotton leafworm larvae.

Limitations

The study primarily focused on laboratory conditions, which may not fully represent field conditions.

Participant Demographics

The study involved laboratory-reared cotton leafworm larvae.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/s41598-024-81988-6

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