Bacillus Thuringiensis (Bt)

Bacillus thuringiensis (Bt) is a naturally occurring soil bacterium that produces proteins toxic to specific insect larvae. It's particularly effective against caterpillars and other leaf-eating larvae while being safe for humans, pets, and beneficial insects.

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Common Uses

  • Controls caterpillars and worms
  • Effective against cabbage loopers
  • Manages tomato hornworms
  • Controls corn earworms
  • Useful for leafroller management
  • Targets specific pest species

Application Methods

  • Apply as a foliar spray
  • Treat plants at first sign of damage
  • Focus on leaf undersides
  • Reapply every 7-10 days
  • Apply in evening for best results

Safety Precautions

  • Only effective on young larvae
  • Must be ingested by target pests
  • Breaks down in sunlight
  • Store in cool, dry place
  • Keep away from children and pets
  • Don't mix with alkaline water

Best Practices

  • Monitor for early pest presence
  • Ensure complete leaf coverage
  • Apply before larvae mature
  • Maintain regular application schedule
  • Store unused product properly
  • Follow resistance management practices