Biopesticides

Biopesticides are biological agents, such as bacteria, fungi, viruses, or botanical extracts, used to control agricultural pests and diseases. They utilize "natural antagonism" - the tendency of one organism to suppress another - to manage pest populations without leaving toxic chemical residues on food.

How Biopesticides Work

  • Microbial Pathogenesis: Microbes like Bacillus thuringiensis (Bt) produce proteins that are toxic to specific insect larvae when ingested, causing them to stop feeding and die.
  • Competitive Inhibition: Beneficial fungi like Trichoderma grow rapidly around plant roots, physically blocking and outcompeting harmful pathogens that cause root rot.
  • Hormonal Disruption: Botanical extracts (like Neem-based Azadirachtin) interfere with ....
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