 Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Passalora sequoiae | |||
| Author： |
= Cercospora sequoiae Ellis & Everhart. Jour. Mycol. 3:13, 1887. Passalora sequoiae (Ellis & Everh.) Y.L. Guo & W.H. Hsieh, Flora Fungorum Sinicorum 20: 120. 2003. |
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| Description： |
Lesions on needles at first small orbicular, yellowish brown, then enlarge and the needles become dark brown to grayish brown. Fruiting visible as minute black pustules on the affected neddles. Stromata dark brown to almost black, hemispheric, up to 100 μm wide. Conidiophores 7-40 in a fascicle on the stroma, olivaceous brown to dark brown, straight or nearly so, 0-2 septate, not branched, 0-1 geniculate, broadly rounded or subtruncate at the apex, 30- 80 × 4-6 μm; conidial scars conspicuously thickened. Conidia yellowish brown to medium brown, guttulate, cylindric to cylindro-obclavate, straight or slightly curved 3-15 septata, slightly constricted at the septa, echinulate, obtuse at the apex, rounded to obconically truncate at the base with a thickened hilum, 30-80 × 5-9 μm. | |||
| Specimens： |
null |
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| Habitat： |
On leaves (needles) of Cryptomeria japotlica (L. f.) D. Don. | |||
| Distribution： |
Japan, Taiwan, U. S. A. |
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| References： |
Hsieh, WH and Goh, TK. 1990; Guo, YL. 2003. |
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| Provided： |
W. H. Hsieh |
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| Note： |
The above description and illustration of this fungus were made with the following references: 1. Chupp, C. A monograph of the fungus genus Cercospora: 439-440 (1954). 2. Hodges, C. S. In Forest Nursery Disease in the United State, U.S. Dept. Agric. Handbook 470:80-82 (1975). 3. Katsuki, S. Trans. mycol. Soc. Japan, Extra Issue No. 1:51 (1965). 4. Sawada, K. D.C.F.F. JV, Dept. Agric. Govern. Res. Inst. Taiwan Rept. 35:107-108 (1928). | |||