The Wildfire Evolutionary Response

An Ancient Genetic Program

For over 400 million years, the ancestors of modern plants survived countless wildfires. This relentless evolutionary pressure shaped one of the most powerful genetic responses in plant biology: the ability to detect wildfire compounds and dramatically ramp up reproduction.

When plants detect the organic compounds released by burning biomass — smoke signals that indicate competitors have been eliminated and resources are temporarily abundant — they activate an emergency reproductive program.

The Response Cascade

  • Detection of smoke-derived organic compounds
  • Activation of stress-response and reproductive pathways
  • Increased flowering, fruiting, and seed production
  • Enhanced root growth to capture newly available nutrients
  • Accelerated maturation to complete reproduction before competition returns

PyGrow and the Wildfire Signal

Pyroligneous acid — the product of biomass pyrolysis — contains the same classes of organic compounds that are released during wildfire. These include phenols, organic acids, and carbonyl compounds that plants have evolved to recognize over hundreds of millions of years.

When applied at appropriate dilutions (200:1 in water), PyGrow delivers these ancient chemical signals to crops. The plant's genetic response is the same as it would be to a natural wildfire event: intensified productivity aimed at maximizing seed production.

This mechanism represents a fundamentally different approach to improving crop yields. Rather than forcing growth through nutrient loading, it activates the plant's own genetic capacity for enhanced productivity — a capacity that conventional agriculture has never been able to access.

The result is crops that produce more while maintaining their natural resilience and biological partnerships, because the productivity increase comes from within the plant's own evolutionary toolkit.

References

Flematti, G.R., Dixon, K.W., & Smith, S.M. (2015). What are karrikins and how were they 'discovered' by plants? BMC Biology, 13, 108.

Flematti, G.R., Ghisalberti, E.L., Dixon, K.W., & Trengove, R.D. (2004). A compound from smoke that promotes seed germination. Science, 305(5686), 977.