Morchella esculenta AM-G210


Agrocybe aegerita AM-G11

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Strain: Morchella esculenta AM-G210

 

=Morchella conica Pers.

 

Common Names: Common Morel, Yellow Morel, Sponge Morel, Amigasatake (羊肚菌), Morille Comestible, Speise-Morchel, Сморчо́к съедо́бный

 

Morchella esculenta, (commonly known as common morel, morel, yellow morel, true morel, morel mushroom, and sponge morel) is one of the most readily recognized of all the edible mushrooms and highly sought after. Each fruit body begins as a tightly compressed, grayish sponge with lighter ridges, and expands to form a large yellowish sponge with large pits and ridges raised on a large white stem. The pitted yellow-brown caps measure 2–7 cm (0.8–2.8 in) broad by 2–10 cm (0.8–3.9 in) tall, and are fused to the stem at its lower margin, forming a continuous hollow. The pits are rounded and irregularly arranged. The hollow stem is typically 2–9 cm (0.8–3.5 in) long by 2–5 cm (0.8–2.0 in) thick, and white to yellow. The fungus fruits during a short period in the spring, and is weather dependant. It is also associated with hardwoods and is often found growing in old orchards, woods, disturbed grounds and burnt areas. Although a process was reported in 1982 to grow the fruit bodies under controlled conditions, attempts to cultivate the mushroom commercially have only been partially successful. Fruit bodies have successfully been grown in the laboratory. R. Ower was the first to described the developmental stages of ascomata grown in a controlled chamber. This was followed by in-depth cytological studies by Thomas Volk and Leonard (1989, 1990). To study the morel life cycle they followed the development of ascoma fruiting in association with tuberous begonias (Begonia tuberhybrida), from very small primordia to fully developed fruit bodies. 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!

 

Application: choice edible, medicinal usage and compounds, research.

 

Characteristics: Possibly saprobic and mycorrhizal. This mushroom type is cultivated by some growers with success.

 

Temperature Range: Low: 65-70 °F (18-21 °C) spawn run; 70-73 °F (21-22 °C) pinhead formation.

 

Recommended Substrate: fruiting substrate: mix of 20% sand, 30% potting soil, 50% organic material composed of 80% hardwood chips (ash, oak, maple, beech, elm, apple, etc), 10% rice hulls, 5% soybean meal, 5% peat moss and lime.

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.

 

Recommended Media Type: PDY MYA MEP OMA

 

History: from U.S.A., Washington, 1999.

 

DNA Sequence: DNA Sequencing for ITS region available at an extra charge of $200. Allow two weeks for the DNA sequencing service.

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Price: $225

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Overnight shipping is recommended for this culture

Our technical staff is available to answer your questions on culture media, culture maintenance, fruiting strategies or other questions that may arise as you work with cultures. For more details please see Consulting Services.

 

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