Mycosphaerellales » Mycosphaerellaceae » Gloeocercospora

Gloeocercospora sorghi

Gloeocercospora sorghi D.C. Bain & Edgerton ex Deighton, Trans. Br. mycol. Soc. 57(2): 359 (1971).

            Index Fungorum number: IF 286676; Facesoffungi number: FoF 11261, Fig. 1


Associated with leaf spot. Sexual morph: Unknown. Asexual morph: Mycelium internal, hyphae 2–3 µm wide. Sporodochia 100–1000 µm amphigenous epidermal to sub-epidermal, immersed, solitary or occasionally confluent showing as brown spots on surface of the host, composed of recurrently branched, hyaline hyphae with short moniliform cells. Conidiomata wall and conidiogenous cells not observed. Conidiophores ovoid or more or less ampulliform. Conidia 35−75 × 2.1−3.5 µm (x̄ = 59.4 × 2.7 µm, n = 20), filiform, straight, curved or irregular, often wider in the middle, sometimes slightly obclavate, very variable in size, 1-pluriseptate (mostly 1-7 septate), slimy, hyaline, usually thin and smooth walled.

Material examined: The United States, Illinois, Douglas, Galton, on Sorghum vulgare var. technicum (Poaceae), 27 July 1950, GH Boewe (ILLS00173305).