Cochliobolus stenospilus (Japanese Fungi on Plants)

Japanese Fungi on Plants No.11 before next top

Bipolaris stenospila (Drechsler) Shoem. [=Cochliobolus stenospilus Matsumoto & Yamamoto, nom. inval.]
Classification: Ascomycota, Locuoascomycetes, Dothideales, Pleosporaceae

Distributed south from Kyushu, the southern part of Japan. Causes brown stripe on sugarcane. Disperses by scattering conidia. The scientific name of the teleomorph (C. stenospilus) is invalid because it was not described in Latin. Teleomorph has never been observed in nature.

Characteristics: Plant pathogen

		Morphology: Teleomorph: Produced by paired culture on artificial media. Producing cylindrical asci in black pseudothecia. Hyaline and filamentous ascospores of 130-300 x 6-8 um produced in coiled helix in asci. Anamorph: On brown to dark brown conidiophores, producing conidia usually curved, olive brown to brown, broad fusiform to cylindrical, 70-135 x 14-22 um, with 6-14 pseudosepta.
Conidia

Herbarium specimen in NIAES

Specimen No.	Scientific name	Host name	Host scientific name	Symptoms	Geographical origin	Collected date	Collector
135-1-30	Bipolaris stenospila	Sugarcane	Saccharum officinarum	Browb stripe	Naha, Okinawa	2001.11.28	Shinohara, H.

(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2002)