Growing gourmet and medical mushrooms

Paul Stamets. Growing gourmet and medical mushrooms. - Ten Speed Press, 2000


1. Mushrooms, Civilization and History

2. The Role of Mushrooms in Nature

3.Selecting a Candidate for Cultivation

4. Natural Culture: Creating Mycological Landscapes

5. The Stametsian Model: Permaculture with a Mycological Twist

6. Materials fo rFormulating a Fruiting Substrate

7. Biological Efficiency: An Expression of Yield

8. Home-made vs. Commercial Spawn

9. The Mushroom Life Cycle

10. The Six Vectors of Contamination

11. Mind and Methods for Mushroom Culture

12. Culturing Mushroom Mycelium on Agar Media

13. The Stock Culture Library: A Genetic Bank of Mushroom Strains

14. Evaluating a Mushroom Strain

15. Generating Grain Spawn

16. Creating Sawdust Spawn

17. Growing Gourmet Mushrooms on Enriched Sawdust

18. Cultivating Gourmet Mushrooms on Agricultural Waste Products

19. Cropping Containers

20. Casing: A Topsoil Promoting Mushroom Formation

21. Growth Parameters for Gourmet and Medicinal Mushroom Species

Spawn Run: Colonizing the Substrate

Primordia Formation: The Initiation Strategy

Fruitbody (Mushroom) Development

The Gilled Mushrooms

The Polypore Mushrooms of the Genera Ganoderma, Grifola and Polyporus

The Lion’s Mane of the Genus Hericium

The Wood Ears of the Genus Auricularia

The Morels: Land-Fish Mushrooms of the Genus Morchella

The Morel Life Cycle

22. Maximizing the Substrate’s Potential through Species Sequencing

23. Harvesting, Storing, and Packaging the Crop for Market

24. Mushroom Recipes: Enjoying the Fruits of Your Labors

25. Cultivation problems & Their Solutions: A Troubleshoting guide


I. Description of Environment for a Mushroom Farm

II. Designing and Building A Spawn Laboratory

III. The Growing Room: An Environment for Mushroom Formation & Development

IV. Resource Directory

V. Analyses of Basic Materials Used in Substrate Preparation

VI. Data Conversion Tables







Mycelium grows but

Grain spawn difficult
to break-up



Culture not receptive to
media formula

Reduce sterilization time.
Alter media formula.

Insufficient distribution
of mycelium through grain
Insufficient inoculation rate

Shake jars with greater
Increase amount of mycelium
placed into each grain jar.

Bacterial contamination

Clean up strain.
Increase sterilization time of


Use spawn sooner.

Excessive water

Reduce water in formula by

Grain spawn appears
pure, but contaminates
with mold or bacteria
after inoculation.

Use different type of grain

Use rye, wheat or millet
Add gypsum. See page 130.

Mycelium endemically
contaminatedco-existing with other

Return to stock cultures
or clean strain.

Use spawn sooner. Normal for
old spawn to eventually
support other microorganisms
Soak filter discs in bleach
solution in between
spawn runs.

Underside of filter
ladened with organic debris,
providing a medium for
contaminants to grow through.
Install micron filters. Observe
Contamination airborne or
good sterile technique.
from lab personnel.

Jars crack, bags break

Reduce temperature &
Radical fluctuation
in temperature and/or pressure pressure flux.
Acquire higher quality, heat
Inadequate quality
tolerant jars & bags.

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