Biscogniauxia simplicior Pouzar

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

CULTURES AND ANAMORPH

Colonies on 2% Difco oatmeal agar at ca. 20C and under 12 h fluorescent light reaching the edge of 9 cm Petri dish in 3 wk, at first white, felty, azonate, with diffuse margins, becoming isabelline (65), floccose from center outwards. Reverse uncolored.

Sporulating regions scattered over entire surface of colony, hazel (88).

Conidiogenous structure with Nodulisporium-like branching pattern as defined in Ju and Rogers (1996).

Conidiophores pale brown, smooth or slightly roughened, dichotomously branched, infrequently with additional branches arising from the first level of conidiogenous regions, 3-3.5 mm diam, with two to three conidiogenous cells arising from each terminus.

Conidiogenous cells cylindrical, hyaline, smooth, 15-30 x 3-3.5 mm, bearing poroid conidial secession scars on apical region, with apices becoming distorted from production of numerous conidia. Conidia produced holoblastically in sympodial sequence.

Conidia hyaline, smooth, ellipsoid to short cylindrical, 8-13 x 2.5-3 mm, with flattened base indicating former point of attachment to conidiogenous cell.