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: 75-85° F.
Relative Humidity: 95-100%
Duration: 7-10 days.
C02: >5000 ppm
FreshAir Exchanges: 0-1 per hour
Light Requirements: n/a


Primordia Formation:
InitiationTemperature: 65-75° F. (18-25° C.)
Relative Humidity: 95-100%
Duration: 2-4 days
C02: 500-1000 ppm
FreshAir Exchanges 5-8 per hour.
Light Requirements: 750-1500 lux.

Fruitbody Development:
Temperature: 70-85° F. (20-30° C.)
Relative Humidity: 8 5-90%
Duration: 3-5 days.
C02: 500-1500 ppm.
Fresh Air Exchanges: 5-8 per hour.
Light Requirements: 750-1500 lux.

Cropping Cycle:
2 crops, 7-10 days apart.

panded two more orders of magnitude. Once colonized, the grain spawn should be implanted directly
into the fruiting substrate, such as wheat straw. Grain spawn inoculated into pasteurized bulk substrates such as straw at a 10-20% (wet spawn to dry substrate), results in fruitings within two weeks.

Suggested Agar Culture Media: MYPA, PDYA, OMYA or DFA.

1st, 2nd and 3rd Generation Spawn Media: Grain spawn for all three generations.
Substrates for Fruiting: Hardwood sawdust, cereal straw, corn waste, coffee residue, cotton waste,
banana fronds, palm debris, and sugar cane bagasse. One formula employed by Brazilian growers
calls for the proportionate mixing of 100 lbs. sugar cane! 8 lbs. rice bran! 3 lbs rice straw!2 lbs. calcium carbonate. The mixture is mixed, wetted, and pasteurized at 140° F for 2-4 hours. Bano et al.
(1978) found that this mushroom (as "P.flabellatus") gave the highest yields when cotton seed powder was added at 132 g. per kg. of dry wheat straw. The total mass of the mushrooms grown was 85%

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