This imitates the increase in ambient temperature that the mushrooms experience after breaking through the surface of the rotting wood or soil, signaling to the mycelium that the conditions are right for fruiting.
Raising the temperature slightly after the mycelium has colonized the substrate can prompt the growth of primordia, the beginning stage of fruiting. Mushrooms that have evolved to grow on rotting wood prefer wood chips, sawdust, damp logs, straw, or even cardboard, and other varieties that grow wild on forest floors might tolerate used coffee grounds, spent grain, or corn cobs. Here are some types of mushrooms and their biological efficiency rates: Mushroom Type Biological Efficiency Rate Shiitake 100-200% Lion’s Mane 90-140% Reishi 80-120% Pink Oyster 100-170% King Oyster 100-150% How Does the Substrate Influence Fruiting?Įach variety has a preferred substrate, and choosing the ideal one for the variety you’ve chosen to grow will maximize your fruit production as well as how quickly fruiting will occur. A mushroom variety that produces one pound of fruit for one pound of substrate would be calculated at 100% efficiency. Here are some types of Oyster mushrooms that have high yield rates: Type of Oyster Mushroom Time to Fruiting from Inoculation Pearl 3-4 weeks Yellow (also known as Golden) 2-3 weeks Pink 3-4 weeks Blue 4-5 weeks Phoenix 3-4 weeks King 3-4 weeks Which Mushrooms Have the Greatest Efficiency Rate?īiological efficiency is calculated by measuring the pounds of fruit produced per pound of the dry substrate over multiple flushes. The mycelium can produce three rounds of crops before it becomes exhausted and the substrate must be flushed, which means growing Oyster mushrooms will require less time and labor than many others. Oyster mushrooms are the variety that has the highest yield because they form a mycelium and fruit as quickly as 20 days from inoculation to fruit. Very soon, I'll have step-by-step tutorials to share regarding the various stages of the growth cycle.How Long Do I Have to Wait to Try To Prompt Fruiting? Should I Care More About Yield or Efficiency?Īre you more concerned with producing the most mushrooms possible in the least amount of time, or growing most mushrooms per pound of dry substrate? That is the difference between yield and efficiency, and there are different strategies for either goal. Recommended Cultivation Supplies Check Back Soon I have researched and used all of the recommended items.
Recommended Lab Equipment and Suppliesĭiscover unique and useful mushroom cultivation lab equipment and supplies. After harvesting the first flush of mushrooms, you can prepare your substrate for subsequent flushes. Once mature, you can finally harvest your hard work. In the proceeding days, the pins will rapidly grow into fully developed mushrooms. When done correctly, the mycelium begins forming hyphal knots that evolved into primordia or pins. Fungi use light near the 5500k spectrum as a signal to grow, not as an energy source like plants (photosynthesis). Light is often confusing when it comes to mushroom cultivation.
Typically fruiting conditions consist of lowering the temperature, regulating the FAE (fresh air exchange), maintaining high humidity, and introducing a light cycle (12 hour on / 12 hour off).
#PRIMORDIA MUSHROOM FULL#
The time it takes for the substrate to colonize, relies on the volume of the substrate, the quantity of spawn used, and overall conditions.Īs the bulk substrate is nearing full colonization, you can place your mushrooms into fruiting conditions. As the mycelium colonizes the substrate, it produces heat and carbon dioxide (CO 2). An optional non-organic casing could be added to the top of the substrate as an extra layer of protection. These vessels are ideal as you can control humidity, airflow, temperature, light, and other factors to aid in your mushrooms' growth. The sterile substrate and grain spawn are stored in a monotub or grow bag. Pasteurizing the substrate is highly recommended to kill off any microbes. In a controlled environment, the chosen substrate depends on the species of mushroom you are growing. In nature, this could be inside a tree, a log, stump, leave litter, or other organic debris on the forest floor. A bulk substrate is an abundant source of nutrients. The fully colonizes grain spawn is used to inoculate a bulk substrate. In the next stage, the mycelium needs to expand in volume.
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