Japanese Fungi on Plants No.2 before next top

Alternaria panax Whetzel apud Whetzel & Rosenb.
Classification: Deuteromycotina, Hyphomycetes

Causes Alternaria blight of Ginseng. Disperses by scattering conidia. Teleomorph unknown.

Characteristics: Plant pathogen

Morphology:
 Teleomorph: Unknown
 Anamorph: On conidiophores pale brown, producing conidia solitary or in chains of 2-3, pale brown to dark brown, obclavate, with a beak of usually 10-60 um, surface smooth or rarely verrucose, part of conidial cells sometimes distending, 50-130 x 11-26 um in size, with 1-2 vertical and 9-11 transverse septa.
Conidia

Herbarium specimen in NIAES  None

(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2003)


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