Japanese Fungi on Plants No.24 before next top
Cochliobolus
nodulosus Luttr. [=Bipolaris nodulosa (Berk. & Curtis) Shoem., Helminthosporium
nodulosum (Berk. & Curtis) Sacc.]
Classification: Ascomycota, Locuoascomycetes, Dothideales, Pleosporaceae
Distributed mainly south from Kanto, the central part
of Japan. Causes leaf blight on goosegrass, etc. Sometimes isolated from other gramineous
weeds. Disperses by scattering conidia. 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 98-193 x 4-8 um produced in coiled helix in asci. Anamorph: On pale brown to dark brown conidiophores, producing conidia straight, pale brown to dark brown, oval to obclavate, 43-78 x 16-19 um, with 5-7 pseudosepta. |
||
Conidium |
Herbarium specimen in NIAES
Specimen No. | Scientific name | Host name | Host scientific name | Symptoms | Geographical origin | Collected date | Collector |
111-1-83 | Cochliobolus nodulosus | Goosegrass | Eleusine indica | Leaf blight | Suginami, Tokyo | 1931.9.13 | Tasigi, H. |
135-1-13 | Bipolaris nodulosa | " | " | " | Takasaki, Gumma | 2001.11.12 | Tsukiboshi, T. |
(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2002)
Copyright of the page belongs to Natural Resources Inventory Center, NIAES.