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General Description

 On Potato Sucrose Agar (PSA). Colonies. After 4 days growth ranges from 5.3-5.55 cm diam., with a mean ñ SD = 5.43 ñ 0.18, floccose, with white to reddish brown aerial mycelium and dark red pigmentation. On Potato Dextrose Agar (PDA). Colonies. After 10 days growth varies from 7.05-7.76 cm length, with a mean ñ SD = 7.41 ñ 0.5, floccose, with white to brownish red aerial mycelium and dark red pigmentation; mycelium producing sparse, globose, smooth "chlamydospores" singly, in pairs or in chains. Conidia. Of one type; macroconidia fusoid and straight to slightly curved with the widest point above the centre, 20-82 × 3-5 μm, 3- to 7-septate, each with a pointed or beaked apical cell and a distinctly pedicellate foot-shaped basal cell. Notes. This species grows on Glycerol Nitrate Agar (G25N) with growth rate less than 2 cm diam., producing orange white aerial mycelium and orange pigmentation; growth on mannitol medium results inyellow or reddish yellow aerial mycelium and greyish yellow or orange pigmentation; growth on Czapek-Dox Iprodione Dichloran Agar (CZID) exceeds 5 cm diam., with pinkish white aerial mycelium and brownish red pigmentation; growth on Dichloran Chloramphenicol Peptone Agar (DCPA) exceeds 5 cm diam. 


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© Ahmed Abdel-Azeem

Partner Web Site: Cybertruffle

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