Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Pseudocercospora neriella
 
   
   
 Author:

Pseudocercospora neriell (Sacc.) Deighton, Mycol. Pap. 140: 149. 1976.

Basionym: Cercospora neriella Saccardo, Michelia 2: 294. 1881.

   
 
 
 
 
 Description: Leaf spots at first appear as indefinite yellowish areas on upper surface, then turn pale gray-ish brown, more or less rectangular, without definite margin, 3-10 x 2 mm, later the leaf turn yellow and the spots become distinct as greenish patches, grayish on the corresponding lower surface, somewhat cloudy in appearance. Fruiting hypophyllous, scantily effuse, invisible. Stromata absent. Secondary mycelium external, extensive, tangled among the leaf trichomes (especially in the epidermal cavity where there are sunken stromata): hyphae subhyaline, 1-2 μm wide, acuate, septate, branched, bearing conidiophores as side branches. Conidiophores not fasciculate but borne terminally and laterally on the external mycelial hyphae, subhyaime to pale olivaceous brown, erect, not branched, 0-2 septate, 0-2 geniculate, conically rounded at the apex, 5-20 × 2-3 μm; conidial scars unthickened and inconspicuous. Conidia subhyaline to very pale olivaceous, narrowly obclavate to filiform, curved or undulate, acute or subacute at the apex, obconically truncate at the base, 20-100 × 2-3 μm.
 
 
 
 
 
 Specimens:

Taiwan, Taichung, NCHUPP Campus, 4 July, 1984, NCHUPP-8.

 
 
 
 Habitat: On leaves of Nerium indicum Mill.
 
 
 
 Distribution:

Florida, Japan, India, Taiwan.

 
 
 
 References:

Hsieh, WH and Goh, TK. 1990.

   
   
   
 Provided:

W. H. Hsieh

 
 
 Note: null