Japanese Fungi on Plants No.57 before next top
Pyrenophora
graminea Ito & Kuribayashi [=Drechslera graminea (Rabenh. ex
Schlecht.) Shoem.]
Classification: Ascomycota, Locuoascomycetes, Dothideales, Pleosporaceae
Distributed northern form Kyushu, the southern Distr. Causes leaf blight
in barley. Also isolated from intact whaet as an inhabitant. Disperses by scattering conidia.
Teleomorph produced on rotten stems and stubbles.
Characteristics: Plant pathogen
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Morphology: Teleomorph: Pseudothcia with setae. In cylindrical asci, producing ascospores of yellow brown, ellipsoid, 45-78 x 20-33 um in size, constricted at the septa, with 0-1 vertical and 2 transverse septa. Anamorph: On pale to yellow brown conidiophores, producing conidia pale to pale brown, oblong to cylindrical with rounded ends, 27-110 x 12-23 um in size, 1-7 pseudosepta. |
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Conidia |
Herbarium specimen in NIAES
| Specimen No. | Scientific name | Host name | Host scientific name | Symptoms | Geographical origin | Collected date | Collector |
| 103-2-13 | Pyrenophora graminea | barley | Hordeum vulgare | Stripe | Gojo, Nara | 1906.5.31 | Hori, S. |
| 103-2-12 | " | " | " | " | Matsuyama, Ehime | 1915.5.5 | Maehara, S. |
| 103-2-11 | " | " | " | " | Koganei, Tokyo | 1933.4.16 | |
| 103-2-23 | " | " | " | " | Fukuoka | 1936.5.31 | Kawamura, E. |
| 103-2-24 | " | " | " | " | Itabashi, Tokyo | 1942.4.26 | Asuyama, H. |
| 145-1-56 | " | " | " | " | Kumagaya, Saitama | 1978.5.12 | Hino, T. |
(Described by Tsukiboshi, T., NIAES, Microbial Systemtics Lab., 2003)
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