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






Casing: A Topsoil Promoting
Mushroom Formation
utton growers long ago discovered that, by placing a
layer of peat moss over compost grown through with mushroom mycelium, yields were greatly enhanced. The casing served
several functions. Foremost, the casing layer acted as a moisture bank
where water reserves could be replenished through the course of each
crop. The casing layer also limits damage to the mycelium from fluctuations in relative humidity. Besides moisture, the casing provides


stimulatory micro-organisms, essential salts and minerals. These combined properties make casing a perfect environment for the formation
and development of primordia.

In the cultivation of gourmet and medicinal mushrooms, casing
soils have limited applications. Cultivators should be forewarned that
green-mold contamination often occurs with soil-based casing layers, especially when air circulation is poor and coupled with contact
with wood. The possible benefits of casing are often outweighed by
the risks they pose. Few saprophytic gourmet species are absolutely
dependent upon casing soils, with the exception of the King Stropharia,

(Stropharia rugoso-annulata).

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