2. Seven Stages of Cultivation - Cornell Small Farms (2024)

In the cordyceps strain trials, yields varied from 3.5 grams per jar to 11.8 grams per jar. The shiitake trials were done on two different substrates: logs and supplemented sawdust blocks. Both had large variables in yield depending on the strain selected. For logs, average yield varied from .5 - 2.3 pounds per log, with strain LE-46 performing the best. On sawdust, yields varied from .3 - 1.4 pounds per block, with strain 3782 performing the best and strain 46 doing the worst. This illustrates how some strains are developed to consume certain substrates. This data also shows that proper strain selection can be the difference between a profitable farm and going out of business.

In the cordyceps strain trials, yields varied from 3.5 grams per jar to 11.8 grams per jar. The shiitake trials were done on two different substrates: logs and supplemented sawdust blocks. Both had large variables in yield depending on the strain selected. For logs, average yield varied from .5 - 2.3 pounds per log, with strain LE-46 performing the best. On sawdust, yields varied from .3 - 1.4 pounds per block, with strain 3782 performing the best and strain 46 doing the worst. This illustrates how some strains are developed to consume certain substrates. This data also shows that proper strain selection can be the difference between a profitable farm and going out of business.

Any spawn or ready-to-fruit block provider will provide high quality strains selected for maximum performance. If you are producing spawn in-house, its best to trial 4-5 strains side by side to see which one does best. Every couple of months it is good to experiment with a new strain to see if improvements can be made. Growers are constantly trading strains to look for the best combination of strain and substrate. Once the strain is selected, spawn can be ordered or produced.

“Spawn” is intentionally cultivated mycelium from a known species that has been isolated, generally in a sterile lab facility, to ensure it is free of outside contaminants. For most growers, spawn is purchased from a supplier, much like a vegetable grower buying seed from a company. Spawn comes in three common forms: grain, sawdust, and plug.

2. Seven Stages of Cultivation - Cornell Small Farms (2024)

FAQs

How long after inoculation should I see mycelium? ›

After inoculation, the spawn needs time to grow through the substrate. This process is called incubation. Incubation starts with leap off, which is the moment when the mycelium initially leaps off the spawn onto the new substrate. This typically occurs around four days after inoculation.

How much do mushroom farms make per acre? ›

As a result of these opportunities, active mushroom growers report better profit potential for indoor production as compared to outdoors. They provided estimates of $1 to $3 per square foot net income, representing a potential $43,560 to $130,680 income per acre.

What are the methods of mushroom cultivation? ›

The six steps are Phase I composting, Phase II composting, spawning, casing, pinning, and cropping. These steps are described in their naturally occurring sequence, emphasizing the salient features within each step. Compost provides nutrients needed for mushrooms to grow.

Does mycelium grow faster in the dark? ›

Radial growth of the mycelium was faster under dark incubation rather than under light incubation.

What does healthy mycelium growth look like? ›

While mycelium is typically white and filamentous, contamination generally takes the form of green, blue, gray, or black patches or discolorations in your substrate.

What is the most profitable mushroom cultivation? ›

The most profitable mushroom to grow can vary depending on market demand, local preferences, and cultivation costs. Growing oyster mushrooms like Shiitake are usually the most profitable.

What is the best mushroom to grow to sell? ›

Shiitake and oyster mushrooms are the best choice for small-scale production, since they don't require a lot of equipment and space. Shiitake mushrooms are often sold in grocery stores, health food stores, and farmers' markets and are also quite popular for their flavor and consistency.

How much does it cost to start a small mushroom farm? ›

The cost can range from $3,000 to $100,000, depending upon how advanced you plan to make your farm. Garner experience, network with others, and start with simpler crops to grow. This will ensure that you make the most of your mushroom farm investment.

Which mushroom is best for farming? ›

One of the most popular types of mushrooms to grow is the button mushroom. These are the most commonly consumed mushrooms in the world and are relatively easy to cultivate. They grow best in a temperature range of 55-60°F and require a substrate made of composted manure, straw, and gypsum.

Which season is best for mushroom cultivation? ›

(m.s.l.), the best growing season is during March/April to September/October and in the lower regions from September/October to March/April. The major states in India producing this mushroom are Orissa, Karnataka, Maharashtra, Andhra Pradesh, Madhya Pradesh, West Bengal and most of the North Eastern hill states.

Will shiitake grow on straw? ›

Straw and sawdust are popular substrate choices for a wide number of mushroom species and shiitake are no exception. If you opt for this route, you will need to pasteurise your substrate.

What is the timeline for mycelium? ›

Optimal duration of mycelium growth

The precise length of time this takes varies per system, season and type of compost. Generally speaking the optimal time is 16 to 19 days, but there are certainly also exceptions.

How long does it take for mycelium to spawn? ›

After about 4-8 weeks, you should start to see mycelium growing on the substrate. You'll notice the white mycelium growing outward from the point of injection. When the mycelium has grown three to four inches, without opening the bag, carefully break up the colonized substrate and mix it into the uncolonized substrate.

What is the incubation period of mycelium? ›

Incubation is the time after inoculation and before the mycelium has fully colonized the substrate. This is the time at which the fungus has not yet consolidated its hold on the substrate. During this stage, the nutritious substrate is more susceptible to contamination.

How to tell when mycelium is fully colonized? ›

You can tell when mycelium is fully colonized when the entire substrate (such as a jar or a bag) is covered with a dense, white, and fuzzy network of mycelial threads. There should be no visible uncolonized areas or contaminants, and the mycelium should appear healthy and vigorous.

References

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