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






Growth Parameters
Spawn Run:
Incubation Temperature: 70-80° F. (2 1-27° C.)
Relative Humidity: 95-100%
Duration: 35-70 days (strain dependent)

C02:> 10,000 ppm
FreshAir Exchanges: 0-1
Light Requirements: 50-100 lux.

Primordia Formation:
Initiation Temperature: 50-60° F. (10-16° C)*
60-70° F.
Relative Humidity: 95-100%
Duration: 5-7 days
C02: <1000 ppm
Fresh Air Exchanges: 4-7 per hour
Light Requirements: 500-2000 lux at 370-420 nm.

Fruitbody Development:
Temperature: 50-70° F. (16-18 C)*
60-80° F. (21-27° C)**
Relative Humidity: 60-80%
Duration: 5-8 days
C02: < 1000 ppm
FreshAir Exchanges: 4-8 per hour
Light Requirements: 500-2000 lux at 370-420 nm.***

Cropping Cycle:
Every 2-3 weeks for 8-12(16) weeks.

sought to show the profitability of Shiitake log culture. Gormanson & Baughman (1987) published
an extensive study and concluded that profitability of growing Shiitake outdoors, as in Japan, was
marginal at best. Roberts (1988) reviewed their statistical models and concluded that Shiitake cultivation on logs was not profitable. In the most recent study on log Shiitake industry in the United States,
Rathke & Baughman (1993) concluded that when a production threshold of 4000 logs/year was
achieved by an experienced grower, the net profit on money invested, after costs, was a mere 5.76%
return after-tax equivalent. Increasing production to 8000 logs had no appreciable increase in profit*

Cold weather strains.

** Warm weather strains. Fluctuations of temperatures within these ranges is beneficial to the development of the

mushroom crop.
Light levels below 500 lux cause noticeable elongation of the stem with many strains.

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