- Spawn
- See related figure: What are you actually buying? →
Mycelium grown on sterilised grain; the seed material of a mushroom crop.
- Mother culture
The pure fungus kept on agar in a laboratory, from which all spawn descends.
- Pasteurisation
- See related figure: Pasteurisation · glossary figure 3 →
Heating straw enough to kill most competitors while keeping helpful microbes.
- Sterilisation
Killing every living thing in the substrate, usually in an autoclave under pressure.
- Spawn rate
Weight of spawn added per weight of substrate, stated on a wet or dry basis.
Mycelium, Spawn & Substrate
Visual glossary
