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






Figure 174. Once ferried into the growing room, the
column is inverted so that the loose straw at the top

is compressed. Stainless steel arrowhead heads
mounted on a board are used to puncture 200-400

holes in each plastic column. Note that 75% of the
weight of the column is floor-supported.

floor. Plastic ducting is pre-cut into 12 ft.
lengths and tied into a tight knot at one end. The
open end of the plastic tube is pulled over the

cylindrical down-spout of the funnel and secured with "bungee cords" or, preferably, a
spring-activated, locking collar.
Since the tensile strength of a 12 in. diameter,
4 mu, thick, polyethylene tube is insufficient to
suspend the mass of moist straw tightly packed
into an 8 ft. long column, care must be taken in
filling. After securing the empty plastic column
4-6 inches above the floor, the plastic column
slowly elongates with substrate filling. When a
few air-release holes are punched near the bottom of the column, air escapes during filling,
facilitating loading. Most importantly, cavities—air pockets—must be eliminated. As the

Figure 175. The same column as portrayed in Figures 135-140, 12 days later after inoculation with

grain spawn of the Pink Oyster mushroom

(Pleurotus djamor). 27 lbs. of fresh mushrooms were
harvested on the first flush.

column is filled, the poly-tubing stretches un-

til partially supported by the floor. As the
column fills with substrate, a worker hugs the
column, gently lifts it several inches off the
floor, and forcibly slams it downwards. (See
Figure 171). The impact against the floor increases substrate density and eliminates
cavities.This ritual is repeated until the column
is filled to a height of approximately 10 feet.
Once the column has been filled to capacity,

the securing collar is removed by a person
standing on a small step ladder. The column is
tied off at the top using whatever means deemed
most efficient (a twist-tie, knot, collar, etc. ).
The column is carefully taken away from the inoculation station and another tube is
immediately secured for the next fill of inocu-

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