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






positioning—simplifies the process and prevents cross-contamination.
Vertical cylinders can be made of a variety
of materials.The least expensive is the flexible
polyethylene ducting designed for air distribution in greenhouses, available in rolls as long as
5000 ft. and in diameters from 6-24 inches. **
Drain-field pipe, polycarbonate columns, and
similar"hard" column materials have also been

employed with varying degrees of success.
More extravagant systems utilize inner-rotating, perforated, hard columns equipped with

Figure 167. Bouquets of Golden Oyster mushrooms
(Pleurotus citrinopileatus) fruiting from columns of
pasteurized-wheat straw.

centrally located air or water capillaries which
double as support frames but I have yet to see
such a system perfected. Many farms even use
overhead trolleys for ferrying the columns into
and out of the growing rooms. (See Figure 148).
Of the many variations of Column Culture, the
ease and inexpensiveness of the flexible poly-

individual mushrooms.
Automated column-packing machines have
been developed and tested in North America
and Europe with varied results. Typically the

machines rely on an auger or "Archimedes
screw" which forces the straw through a cylin-

der with considerable force. Straw can be
pasteurized, cooled, and inoculated along a
single production line. Columns are packed,
usually horizontally, in a sleeve which can be
removed for the vertical placement of the column in the growing room. Several inventive
engineers-turned-mushroom growers are currently developing production systems based on
this concept. For many, separating each activ-

ity— pasteurization, inoculation, filling, and

Readers should be note that many suppliers sell duct-

ing in "lay-flat" diameter, which is actually 1/2 of
circumference. Simply divide the "lay-flat" measurement by 1.6 for true, inflated diameter.

Figure 168. Cross section of 15 inch diameter column of Oyster mushroom mycelium contaminated
with an anaerobic core.

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