The mushroom cultivator. A practical guide to growing mushrooms at home

Paul Stamets. The mushroom cultivator. A practical guide to growing mushrooms at home. - Agarikon press, 1983

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Содержание

FOREWORD by Dr. Andrew Weil

PREFACE

I. INTRODUCTION TO MUSHROOM CULTURE

II. STERILE TECHNIQUE AND AGAR CULTURE

III. GRAIN CULTURE

IV. THE MUSHROOM GROWING ROOM

V. COMPOST PREPARATION

VI. NON-COMPOSTED SUBSTRATES

VII. SPAWNING AND SPAWN RUNNING IN BULK SUBSTRATES

VIII. THE CASING LAYER

IX. STRATEGIES FOR MUSHROOM FORMATION (PINHEAD INITIATION)

X. ENVIRONMENTAL FACTORS: SUSTAINING THE MUSHROOM CROP

XL GROWING PARAMETERS FOR VARIOUS MUSHROOM SPECIES

XII. CULTIVATION PROBLEMS AND THEIR SOLUTIONS: A TROUBLESHOOTING GUIDE

XIII. THE CONTAMINANTS OF MUSHROOM CULTURE: IDENTIFICATION AND CONTROL

XIV. THE PESTS OF MUSHROOM CULTURE

XV. MUSHROOM GENETICS

APPENDICES

GLOSSARY

BIBLIOGRAPHY

INDEX

PHOTOGRAPHY AND ILLUSTRATION CREDITS

ACKNOWLEDGEMENTS

OCR
The Contaminants of Mushroom Culture/309

History, Use and/or Medical Implications: Not thought to be pathogenic. Confusion with
Cryptococcus has in the past given Torula an undeserved pathogenic reputation. Cryptococcosis in
the medical literature is often though incorrectly termed torulosis.

Comments: Torula, like Hum/cola, is an ally to the mushroom compost maker, converting ammonic nitrogen into protein usable to the mushroom. Torula fhermophila Cooney & Emerson is
the species most frequently seen in composting straw and manure. Originally isolated from chicken
droppings, this species is a true thermophile with a temperature range from 73-136 0 F., and an optimum of 1 040 F. The Torula genus is known for a number of thermophilic species that survive the
F).
pasteurization process and flourish at standard Phase II conditioning temperatures
When pasteurized compost is cooled down to room temperature, this fungus is rendered inactive

and in turn becomes a food source for the mushroom mycelium.
Rhodotorula reproduces very similarly fo Torula. If is known as the Red Yeast, commonly contaminating agar cultures. Rhodotorula glutinis, a common soil inhabitant, may play an important
role in the reproductive cycle of the common Chantarelle mushroom, Cantharellus cibarius. Pure
cultures of Chantarelles have been difficult to obtain from wild specimens. And, Chanfarelle spores
do not germinate using standard laboratory techniques. In 1 979, a Sweedish mycologist named
Nils Fries discovered that, in fhe presence of Rhodotorula glutinis and acfivafed charcoal, C.
cibarius spores readily germinate. Pure cultures of Chanfarelles, once nearly impossible to obtain,
are now feasible. Other related yeasts may have a similar stimulatory effect on various mushrooms
species currently not prone to cultivation.

Torula species, as with most yeasts, are separated from one another largely by chemical
means.

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