Question

What is mycelium?

Answer 1

Mycelium is a mass of branching, thread-like hyphae that makes up the vegetative component of a fungus or fungus-like bacterial colony. Shiro is a term used to describe a mass of hyphae, particularly in fairy ring fungus. Mycelium-based fungal colonies can be found in and on soil and a variety of different substrates.

Complete answer:
Mycelium is the vegetative component of a fungus, consisting of hyphae, which are white or cream-colored fungal threads or filaments. A single mycelium might be as small as a grain of rice or as large as a forest.
Mycelia is vital to ecology because it aids in the breakdown of organic matter. As biological filters, they are capable of removing contaminants like petroleum products and pesticides.

Mycelia has Shiro hyphae structures, and such fungal colonies are found below or on the earth or substratum (any biotic or abiotic ground on which an organism develops).

Because mycelia have rigid cell walls, they may penetrate through soil and other substrates quite easily. When two consistent mycelia come together, they can produce fruiting bodies such as mushrooms.

Mycelia are finger-like structures that stretch outward in search of water and nutrients to meet the needs of the fungus's body. Assisted diffusion and active transport are used to break down nutrients into monomers, which are then absorbed.

Fungoid mycelia participate in symbiotic interactions with green crops by supporting them in obtaining water and nutritional resources from the larger environment.

Reproduction of mycelium-
Mycelia is involved in reproduction when a spore germinates to form a type known as homokaryotic mycelia. Homokaryotic mycelia, also known as homokaryon, are mycelia with identical genotype nuclei.

Note:
Have you ever seen how mouldy bread or a rotten tomato develop spider web-like structures? These threads are usually white or cream in colour and are made up of long fibres known as hyphae. This structure is the mycelium, which is the vegetative structure of fungi. Mycelium is most commonly found in soils and on organic debris.