Liquid spore cultures and spore prints are the two main ways to start a mushroom cultivation project. This guide...
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Mckennaii Spore Print | Psilocybe Cubensis Spore Print
Spore print of the fast-growing McKennaii mushroom. Dynamic genetics and complex mycelium behavior, ideal for advanced research in sterile environments.
€12.53
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Psilocybe Cubensis McKennaii - Premium Spore Print for Microscopy
The McKennaii strain is named after Terence McKenna, the renowned explorer of psychedelic science. This spore print contains millions of viable spores, carefully harvested under sterile conditions. It's the perfect choice for researchers interested in dynamic genetic behavior and rapid colonization.
Known for its fast and complex mycelium development, McKennaii offers a unique opportunity for mycology enthusiasts looking to study aggressive growth patterns and strain stability in controlled environments.
Why Choose McKennaii?
What makes McKennaii special is its intensity. The mycelium tends to colonize quickly, which makes sterile working conditions essential. This strain is ideal for advanced microscopy or agar-based strain isolation. When stored properly (cool and dry), the print remains viable for a long period and is always ready for use.
It's a spore print that rewards precision and attention to detail — a favorite among researchers who appreciate speed and genetic complexity.
How to Use a Spore Print
Begin in a sterile environment. Prepare a petri dish with a nutrient-rich agar base and use a sterile scalpel or syringe to transfer a small amount of spores onto the surface. Seal the dish and place it in a stable space with indirect light and a temperature between 24 °C and 26 °C.
Initial signs of mycelium growth should appear within just a few days. Select healthy growth for further development or observation.
You Will Need
- Sterile petri dishes with agar
- Sterile scalpel or syringe
- Clean workspace (preferably with a laminar flow hood)
Legal notice: This product is intended for research and educational purposes only. In the Netherlands, possession of mushroom spores is permitted. Cultivation, harvesting, or processing of psilocybin-containing mushrooms is not allowed.
What is the difference between a spore print and a spore syringe?
A spore print is a direct deposit of spores on sterile foil from a mature mushroom cap, preserving the spores in their natural dry state. A spore syringe contains spores that have been suspended in sterile water, ready for direct injection. The main advantage of a spore print is its superior shelf life — properly stored prints remain viable for twelve months or longer, while spore syringes typically last six to nine months. Spore prints also offer higher genetic purity since the spores remain uncontaminated by water exposure.
How fast does McKennaii mycelium grow on agar plates?
McKennaii is among the fastest colonizing strains on agar. After spore inoculation, the first visible mycelium typically appears within three to five days at an incubation temperature of 24–26°C. This is notably faster than many other psilocybe cubensis varieties, such as Mazatapec which may take seven to fourteen days for initial growth. The aggressive growth pattern of McKennaii produces clearly defined mycelium sectors, which is advantageous for strain isolation and selection work.
How should I store the McKennaii spore print for maximum longevity?
For optimal preservation, store the McKennaii spore print in a sealed, airtight bag in the refrigerator at 2°C to 8°C. Include a small silica gel packet to absorb any residual moisture. Under these conditions, the spores maintain their germination potential for twelve months or longer. Never freeze spore prints, as the formation of ice crystals within the spore cells can permanently damage their viability.
Is the McKennaii spore print suitable for advanced strain isolation?
The McKennaii spore print is exceptionally well suited for advanced agar-based strain isolation. The dynamic growth behavior of McKennaii mycelium produces visible phenotypic variation on agar plates, allowing researchers to select the most vigorous and healthy sectors for transfer. This variation makes McKennaii more interesting for isolation work than genetically uniform strains like Golden Teacher. For more about choosing the right mushroom strain for your research, see our strain guide.
How many agar plates can I inoculate from one McKennaii spore print?
A single McKennaii spore print contains enough material to inoculate ten to twenty agar plates when used carefully. Each inoculation requires only a tiny amount of spores, roughly the size of a grain of rice scraped from the print surface. Work from the outer edges of the print toward the center, preserving the densest spore deposits for later use. You can also create a spore suspension by scraping spores into sterile distilled water, which allows for even more precise distribution across multiple plates.
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