Mushroom Reproduction

Subject: Science

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Overview

The reproduction in mushroom is different from other plants. This note explains how mushroom reproduce.

Mushroom Reproduction

Gills are the vertical plant-like structures on the under-surface of the pileus.

Function of Gills:-

Gills contain the basidium. The basidium produces the basidiospores. Basidiospores are the reproductive units in mushroom.

Structure of Gills:-

Life cycle of mushroom

Structure of basidium:-

A young basidium contains two nuclei. The two nuclei fuse together to form a uninucleated structure which is called zygotic nucleus. The zygotic nucleus immediately undergoes meiotic division and form four haploid nuclei. Two nuclei belong to positive strain (male) and the remains two belongs to negative strain (female). The distinct division of the male and female nuclei is not obvious. After the maturity of basidium, four fingers like projection appear from the apical part of the basidium. The four basidium spores migrate towards the projection. The projection is termed as strain hyphae maturity. The germinating basidiospores which are elongated and thread-like structure are known as primary mycelium. Those primary mycelium, of opposite strain, fuse and form the structure called secondary mycelium. Though the secondary mycelium fuse the nuclei remain separate from each other. The growth of the secondary mycelium will result into the mature mushroom.
Secondary mycelium
: The structure formed by the fusion of two primary mycelia of opposite stain.

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The species of mushroom which are cultivated in Nepal:

  • Seto chyau
  • Parale chyau
  • Gobre chyau
  • Kanne chau

Those mushrooms which are found in jungle and black in colour are generally poisonous.

Name of some poisonous species of mushroom:

  • Amanita vena
  • Autumn Skullcap (Galerina marginata)
  • Death Cap (Amanita phalloides)
  • Deadly Dapperling (Lepiota brunneoincarnata)
    source:www.britannica.com
    source:www.britannica.com

 

Things to remember
  • A young basidium contains two nuclei. The two nuclei fuse together to form a uninucleated structure which is called zygotic nucleus.
  • Gills contain the basidium. The basidium produces the basidiospores. Basidiospores are the reproductive units in mushroom.
  • Secondary mycelium: The structure formed by the fusion of two primary mycelia of opposite stain.
  • The species of mushroom which are cultivated in Nepal are Seto chyau,Parale chyau,Gobre chyau and Kanne chau.
  • It includes every relationship which established among the people.
  • There can be more than one community in a society. Community smaller than society.
  • It is a network of social relationships which cannot see or touched.
  • common interests and common objectives are not necessary for society.
Videos for Mushroom Reproduction
Life cycle of a Mushroom
Questions and Answers
The stage of life cycle of mushroom after the fusion of two opposite strain of hyphae is called secondary mycelium.
Primary mycelium Secondary mycelium
  1. It is formed from the germination of the spore.
  2. Its cells are monokaryotic, i.e. have only one nucleus.
  1. It is formed from the fusion of two mycelia of opposite strains.
  2. Its cell is dikaryotic i.e. having two nuclei.
The two primary hyphae of opposite strains come in contact and fuse together to form a mycelium with binucleate cells. The mycelium with two nuclei of opposite strains is called secondary mycelium.
Mycelium found in mushroom functions as root. It absorbs nutritive materials, salt materials, water from the organic materials of the soil for the mushroom.
Generally, the thread like mycelium does the work of the roots. Thallus like body of fungus is called mycelium. It consists of a mass of a network of tubular filament called the hyphae.
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