Growing gourmet and medical mushrooms

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

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Содержание

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

Appendices

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

Glossary

Bibliography

Acknowledgments

OCR
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GROWTH PARAMETERS

cased grain.
Figure 189. A Magic Mushroom (Psilocybe cubensis) fruiting from

important when aerial mycelium is first ex-

posed to the growing room environment.
Once primordia form, a gradual reduction of
humidity from 100% to 90-95% usually is
beneficial. Humidity should be measured in
at least three locations in the free air spaces
directly above the mycelium-permeated substrate.
Air Exchange: Air is exchanged to precipi-

tously lower carbon dioxide and to suddenly
provide oxygen. CO2 levels should be below
1000 ppm, ideally below 500 ppm for maximum mushroom formation. Air exchange
should be adjusted specifically to lower CO2 to
the specified levels outlined for each species in
the following growth parameters.
Temperature: Many strains will not form
mushrooms unless temperature is dropped or
raised to a critical plateau. For most strains, a

temperature drop is required. Since mush-

room formation is primarily a surface phenomenon, the atmosphere of the growing
room has to be altered to affect a temperature
change in the substrate. As a substrate is being colonized with mycelium, heat is released
as a by-product. After colonization is complete, heat generation abates, and internal
temperatures naturally decline to nearly
equal with air temperature. This is the ideal
time to synchronize the other factors favor-

able to mushroom formation. Note that the
temperature thresholds listed for each species
are what cultivators call the bed, or substrate,
temperature. Air temperature is adjusted upwards or downwards to affect the desired
change. When air temperature is changed, a
lag time follows, often for 24-72 hours, before the substrate temperature adjusts to the
prerequisite level. In most cases, the critical
temperature plateau occurs within 2-4 inches

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