Cannabis Cultivation and Science Podcast
Episode 155: Entomopathogenic Fungi Explained: Blastospores, Beauveria, and Smarter IPM with Julie Graesch
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Show notes
Guest: Julie Graesch
Biological Scientist | IPM Specialist
Currently with BioWorks
Formerly: BASF, Becker Underwood, Iowa State University
Topics Covered:
What “entomopathogenic fungi” actually means
How fungi like Beauveria and Metarhizium infect insect pests
Differences between blastospores and conidia
Why formulation and environmental conditions matter
Common reasons fungal biocontrol applications fail
Preventative vs. reactive use of entomopathogenic fungi
Integrating fungal biologicals into a broader IPM strategy
Key Takeaways:
Entomopathogenic fungi are biological tools, not chemical knockdowns
Understanding fungal life cycles improves consistency and outcomes
Blastospores behave differently than traditional spore formulations
Successful IPM relies on timing, environment, and integration—not rescue sprays
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