Strain: Morchella crassipes AM-G204
=Morchella esculenta var. crassipes (Vent.) Kreisel
Common Names: Morel, Amigasatake (羊肚菌), Morille, Spugnolo, Сморчо́к
Morchella, the true morels, is a genus of edible mushrooms in the Phylum ascomycota, because spores are produced on asci instead of basidia. These distinctive mushrooms appear honeycomb-like in that the upper portion is composed of a network of ridges with pits between them. The ascocarps are prized by gourmet cooks, particularly for French cuisine. Commercial value aside, morels are hunted by thousands of people every year simply for their taste and the joy of the hunt.
The fruit bodies of the Morchella are highly polymorphic in appearance, exhibiting variations in shape, color and size; this has contributed to uncertainties regarding taxonomy. Discriminating between the various species is complicated by uncertainty regarding which species are truly biologically distinct. Some authors suggest that the genus only contains as few as 3 to 6 species, while others place up to 60 species in the genus. Mushroom hunters refer to them by their color (e.g., gray, yellow, and black) as the species are very similar in appearance and vary considerably within species and age of individual. The best known morels are the "yellow morel" or "common morel" (M. esculenta); the "white morel" (M. deliciosa); and the "black morel" (M. elata). Other species of true morels include M. conica, M. vulgaris, and the half-free morel (M. semilibera). Morchella crassipes is considered a yellow morel, and is native to parts of Europe. It has been distinguished in the past by its enlarged stem, which turns out to be due to fruiting in a warm and wet environment.
In the spring and fall, outdoor beds have been established for morels. This species does form sclerotia, which are widely considered the preliminary step for the cultivation of morels. Sclerotia can be obtained by growing spawn on rye for an extended period up to28 days. There needs to be a nutrient free layer in the jar for sclerotia to form. After the formation of sclerotia, spawn can be used to inoculate a 50:50 hardwood sawdust and woodchip mixture outdoors and covered with a small amount of sand mixed with a few handfuls of gypsum. Mushrooms should form the following spring. Several techniques have been developed recently for the cultivation of this species, however success has been limited, and successful cultivation of this species is in its infancy. Good Luck!
Cellulose Decomposers: Hardwood Sawdust
Most popular species under cultivation are naturally wood inhabiting fungi. So, growing on sawdust is a logical choice. Sawdust is mixed with wheat bran (or another nitrogen source) at 5-15% and Calcium Carbonate (CaCO3) (a buffering agent) at 2-3%, and filled into autoclavable bags. The bags are sterilized for a minimum of 1 hour at 121°C (15 psi when at sea level). Note sterilization exposure times vary depending on pressure and elevation. Finally, the substrate is cooled to at least 25°C (approx. 80°F) then, inoculated with grain or liquid spawn and incubated at appropriate temp for the species until colonization is complete.
Recommended species on hardwood sawdust:
Agrocybe aergerita, Antrodia camphorata, Armillaria mellea, Auricularia auricular-judae, Fistulina hepatica, Flammulina velutipes, Fomes fomentarius, Ganoderma applanatum, G. australe, G. lucidum, G. curtisii, Grifola frondosa, Hericium americanum, H. clathroides, H. coralloides, H. erinaceus, Hypholoma capnoides, H. sublateritium, Hypsizygous marmoreus, H. tessulatus, H. ulmarius, Inonotus obliquus, Laetiporus sulphureus, Lentinula edodes, Macrolepiota procera, Omphalotus sp., Panellus stipticus, Phellinus linteus, Pholiota nameko, Piptoporus betulinus, Pleurotus sp., Polyporus squamosus, Polyporus umbellatus, Schizophylum commune, Sparassis crispa, Stropharia rugoso-annulata, Trametes sp., Tremella mesenterica, and Xylaria hypoxylon.
History: Isolated By Aloha Medicinals field team.
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