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Hypsizygus tessulatus

Hypsizygus tessulatus

Synonyms
  • Beech Mushroom
  • Buna shimeji
Scientific Classification
Kindom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Tricholomataceae
Genus: Hypsizygus
Species: Tessulatus


Hypsizygus tessulatus falls under the umbrella concept of the Japanese "Shimeji" mushrooms. Firm textured, this mushroom is considered one of the most "gourmet" of the Oyster-like mushrooms. Recently, this mushroom has been attributed to having anti-cancer properties. Increasingly better known, this obscure mushroom compares favorably to Pleurotus ostreatus and Pleurotus pulmonarius in North American, European and Japanese markets.


  • Spore print: white
  • Mycelium: white, cottony, resembling Pleurotus ostreatus mycelium but not as aerial. Also, the mycelium of H. tessulatus does not exude the yellowish-orange metabolite nor does it form the classically thick, peelable mycelium, two features that are characteristic of Pleurotus species

Cultivation Edit

Ostreatus is industrially cultivated edible mushroom and although they are of the easiest mushrooms to cultivate, they are considered a gourmet mushroom.

ParametersEdit

Spawn run

  • Temperature: 70-75° F (21-24° C)
  • Humidity: 95-100%
  • Duration: 30-45 days
  • CO2: >5000 ppm
  • Light reqs: n/a

Primordia Formation

  • Temperature: 50-60° F (10-15° C)
  • Humidity: 98-100%
  • Duration: 7-12 days
  • CO2: 500-1000 ppm
  • Light reqs: 500-600 lux
  • FAEs: 4-8 per hour

Fruit body Development

  • Temperature: 55-65° F (10-21° C)
  • Humidity: 90-95%
  • Duration: 5-10 days
  • CO2: 2000-4000 ppm
  • Light reqs: 400-600 lux
  • FAEs: 2-4 per hour



Substrates .... Edit

This species performs best on supplemented sawdust. Good wood types are cottonwood, willow, oak, alder, beech, or elm. The effectiveness of other woods has not yet been established.[1] It seems that straw does not provide commercially viable crops unless inoculated up to 25% of its weight with sawdust spawn.

Natural HabitatEdit

Hypsizygus tessulatus sometimes appears alone, but is usually in dense clusters of seven or more individuals; often on poplars or maple, but occasionally found on beech, birch, elm or fir; sometimes in large groups high in the crotch of a dead tree, or in smaller groups on dead stumps or logs. This species common in Pacific Northwest.

See Also Edit

References Edit

  1. Stamets, Growing Gourmet and Medicinal Mushrooms (Third Edition), 2000

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