The Black Pearl King Oyster is a Pleurotus Ostreatus hybrid species from Japan. This Oyster species fruits dense meaty mushrooms, similar to the King Oyster (Pleurotus Eryngii). Black Pearls are beautiful, delicious, gourmet mushrooms, that are fast at colonizing substrate and eager to fruit!
Fruiting Substrates:
-Masters mix (50/50 hardwood sawdust & soybean hulls)
-Hardwood sawdust & wheat bran @ 20% supplementation
Colonizing Temperature:
65 to 80 F
Fruiting Temperature:
50 to 70 F
Fruiting Humidity:
92 to 97%
Air Exchanges:
4 to 8 per hour
All mushroom culture slants and petri dishes are guaranteed to be 100% clean, viable and proven fruiting strains of mushroom. Commercial strains are tested by growing and evaluating speed of colonization, fruit body form, and yield weight.
Slant cultures come in a 50ml conical centrifuge tube on nutrient agar.
Petri dish cultures come in a 100mm x 15mm petri dish on nutrient agar.