 Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Pseudocercospora persicariae | |||
| Author： |
Pseudocercospora persicariae (Yamam.) Deighton. Mycol. Pap. 140:150, 1976. Basionym: Cercospora persicariae Yamamoto, Jour. Soc. Trop. Agric. Formosa 6:605 1934. |
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| Description： |
Leaf spots none or indistinct brownish areas on the upper surface. Fruiting hypophyllous, dark olivaceous to sooty in colour, effuse, more or less orbicular, 3-8 mm wide, often confluent. Stromata absent. Conidiophores 2-8 in a spreading fascicle, emerging from the stomata, pale to medium olivaceous brown, uniform in colour, irregular in width, multiseptate, simple or branched, curved or tortuous, slightly geniculate, conically rounded at the apex, 30-150 × 3.5-5 μm. Conidia pale olivaceous, cylindric to cylindro-obclavate, straight to mildly curved, 1-8 septate, subacute or obtuse at the apex, obconic at the base, 20-100 × 3-5 μm. | |||
| Specimens： |
Taiwan, Taipei, 6 Feb. 1925, in Herb. NTU-PPE. |
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| Habitat： |
On leaves of Polygonum chinense L. | |||
| Distribution： |
Taiwan. |
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| References： |
Hsieh, WH and Goh, TK. 1990. |
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| Provided： |
W. H. Hsieh |
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| Note： |
Pseudocercospora polygonicola (Kar & Mandal) Deighton (1987) (Syn. Cercospora polygoni Sawada, 1943a) on Polygonum hydropiper L. differs from this fungus by its unbranched, clavate conidiophores and by its obdavate conidia. | |||