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Grasping the Concept of Mycelium

Mycelium, the foundational structure of fungi, operates as the digestive system for mushrooms. It scouts for nutrients, converts them into a digestible form for the fungus, thereby nourishing the fungus. This process results in an enriched soil environment, supplying crucial nutrients for other plants and forming a nutrient-rich biomass suitable for garden mulch.

Beyond their role in mushroom development, mycelium networks are crucial to the wellbeing and growth of many land plants, including trees. For example, tree roots form a mutually beneficial relationship with fungi: the tree supplies the fungus with carbon in the form of sugars, and in exchange, the fungus provides the tree with vital minerals like nitrogen and phosphorus. Learn more about this symbiosis here.

Intriguingly, mycelium networks function as an underground information transfer system among plants, akin to the neural networks in our brains. Recent scientific studies suggest that plants and trees might have rudimentary nervous systems that fungi could potentially influence, impacting processes like communication, memory, and learning. Furthermore, mycelium enhances soil health by decomposing organic waste and neutralizing any present pollutants.

If cultivating magic mushrooms piques your interest, understanding the growth of mycelium is essential. While the cultivation process may be daunting for novices, acquiring knowledge about mycelium is a pivotal initial step. Even though purchasing mushrooms from Shrooms Online Canada online is always a viable option, gaining insight into mycelium can enrich your cultivation journey.

The Developmental Journey of Mycelium

Upon encountering a growth-friendly environment, fungal spores commence the development of two mycelium types. The first, known as primary or monokaryotic mycelium, is distinguished by a single nucleus in each cell and is usually invisible to the naked eye. The second, referred to as secondary or dikaryotic mycelium, is visible and houses two nuclei in each cell.


The process of germination gives rise to fungal spores, which subsequently transform into the primary mycelium, also known as the monokaryotic mycelium. If this monokaryotic mycelium comes across another compatible monokaryotic mycelium, they can combine to form the dikaryotic mycelium, which is the second stage. This secondary mycelium is capable of producing either mushrooms or sclerotia.


Types of Mycelia


Mycelia can be classified into three categories, with two types signifying successful cultivation.


  1. Rhizomorphic mycelia spread out like threads and are easily distinguishable. Composed of units called hyphae, rhizomorphic mycelia first extend, then send chemical signals back to the colony, indicating that the area ahead is suitable for nutrient supply. The rest of the mycelia then follow suit. The hyphae at the tip of the rhizomorphic mycelia release a substance called peroxidase, which breaks down the material in front of it for nourishment. The hyphae then sprawl over the material, spreading the nutrients throughout the colony. This type of mycelia is favored by many cultivators because of its propensity to produce mushrooms as it sprouts from the substrate.
  2. Tomentose or “Fluffy” mycelia, while similar to Rhizomorphic mycelia, have a unique arrangement of fluffy strands. These strands, while not immediately visible, are indeed present and their cotton-ball-like appearance suggests that they are grouped together. The type of mycelia, whether tomentose or rhizomorphic, depends largely on the growing environment. Cultivators continue to discuss whether the type of mycelia influences the growth rate or the yield.
  3. Aerial mycelia arise when the growing conditions are less than ideal. In such cases, the mycelia tend to grow outward instead of spreading over the medium or forming a ball. Often confused with bacterial infection, this type of mycelia can impede your mushroom cultivation, resulting in weaker, smaller mushrooms. Aerial mycelia typically appear due to insufficient fresh air exchange and excessive humidity.


Is it Mould or Mycelium?


The ability to distinguish between mould and mycelium is critical. If you observe green, blue, grey, or black patches on or inside your fruiting box, it is likely that your culture is contaminated. Discolouration is the primary indicator. However, blue spots may just be bruising.

Cobweb moulds are typically quite obvious. Instead of the bright The Mycelium is typically white with a tinge of grey and boasts a stringy, puffy texture. Although cobweb moulds and green moulds pose no harm to humans, they can adversely impact the health of your mushrooms.


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