SAPROPHYTIC FUNGI - DEMITIACEOUS MEMBERS

Question 1

Give the saprophytic dematiaceous specie with the given data:

• Rapid growth; colonies become very dark with age; may become overgrown with looser white to gray aerial mycelium.
• Conidiophores bear single or branched chains of large, brown conidia.

Answer 1

Alternaria spp.

Question 2

Give the saprophytic dematiaceous specie with the given data:

• Rapid growth. Velvety colonies vary in color from grayish-brown to black.
• Spirally arranged brown conidia are borne at the tips.
• Brown, septate, unbranched conidiophores.

Answer 2

Curvalaria spp.

Question 3

Give the saprophytic dematiaceous specie with the given data:

• Rapid growth. Green colonies, reverse is black.
• Septate, dematiaceous mycelium.
• Conidia are borne in chains.

Answer 3

Cladosporium spp.