How Bt Kills: The Science Behind Bacillus thuringiensis

Dr. Russell Sharp breaks down Bacillus thuringiensis (Bt): what it is, how Cry proteins selectively destroy insect pests, and why Bt is considered safe for humans, animals and beneficial insects.

The episode also examines Bt’s use in organic and GM crops, practical considerations for hydroponics, other helpful Bacillus species, and a brief microgreens update.

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