Asexual Reproduction of Fungi

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Asexual Reproduction of Fungi

1. By fragmentation of soma or cell sap or hyphae
2. Binary fission
3. Budding
4. Production of spores

1. By Fragmentation of Soma or Cell Sap or Hyphae:

Mycelium and each fragment grows into a new individual the hyphae break up into their component cells as Oidia or arthrospores which behave like spores. If the cells become enveloped in a thick wall before they separate from other hyphal cell, adjoining them are called as Chlamydospores. E.g. Oidia of Powdery Mildew. Each fragment further germinates to form hyphae.

2. Binary Fission:

Fission of somatic cell into daughter cells. Parent cell divides into two by a formation of constriction or by formation of divider. E.g. Yeast or True fungi.

3. Budding:

It is the production of bud or small out growth from a parent cell. A bud is formed, the nucleus and parent cell divides and one daughter nucleus migrates into the bud. Bud increases in size and forms a new individual. E.g. Rust and Smut fungi yeast fungi.

4. Production of Spores:

Spore produced may be conidia or Sporangiospores basipetal oldest at the top and youngest at the bottom. Acropetal oldest at the bottom and youngest at the top.

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