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Agriculture LibreTexts

Section G

Sub- division - Deuteromycotina (Fungi Imperfecti)

  • The Deuteromycota are characterized by a well-developed, septate mycelium, some are siphonaceous.
  • Cell walls: Usually chitin and glucan.
  • Asexual reproduction is by means of conidia (sing.=conidium) or may be lacking.
  • Sexual reproduction is not known; thus these are the "imperfect Fungi."
  • This includes unrelated fungi from the Ascomycotina, Basidiomycotina and even the Zygomycotina. Members of different fungal division may produce conidial states which are morphologically very similar and classified in the same genus. Because any such genus may include such unrelated taxa, it is called a "form-genus."
  • Many forms of Deuteromycota are pathogenic, affecting man, animals, or plants. Example Alternaria tenuis, Sporobolomyces.