Phylum:Ascomycota >> Class: Ascomycetes >>  Order: Boliniales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Diaporthe nomurai

Diaporthe nomurai Hara, Diseases of cultivated plants p. 140. 1925.

Basionym: Diaporthe niphonia (Nomura) Hara, Trans Jap. Sericult. Soc. 273. 1914.

 Description: Pustules on bark of dead stem or twig, scattered, 0.5 - 1 mm in diam., perithecia embedded within bark tissue in small group, globular or depressed at the bottom, 380 - 650 μm in diam., with long neck at the top. Necks cyclindric, 200 - 320 μm in length, collectively erumpent forming small black disk-like pustules, penetrated by a pore furnishing numerous hyaline periphyses. Blackened zone present within bark and wood, enveloping several perithecial pustules. Asci clavate to cyclindric-clavate, 32 - 40 × 6 – 8 μm in size and 35.2 × 6.4 μm in average, furnished apical ring at thickened tip, 8-spored, loosed irregularly in perithecium. Ascospores irregularly biseriate, oblong-elliptic to fusoid, rounded at the ends, hyaline, straight or inaequilateral, 2-celled, 8 - 14 × 2 - 4 μm in size and 9.6 × 2.5 μm in average.

Taichung: Kukuan, on Boehmeria frutescens Thunb., 17 Jul 1990, D-19. Taichung: Anmaashan, on Debregeasia edulis (Sieb. & Zucc.) Wedd., 1 Oct 1990, D-31. Taichung: Takeng, Morus australis Poir., 19 Jul 1990, D-20.

 Habitat: Lignicolous. On branches of angiosperm.

Asia (Japan, Korea, and Taiwan).


Kobayashi, T. 1970; Tsay, JG and Hsieh, WH. 1993.


J. G. Tsay

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