Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Cercospora oryzae
 
   
   
 Author:

Cercospora oryzae Miyake, Jour. Coll. Agric. Imp. Univ. Tokyo 2: 263. 1910.

   
 
 
 
 
 Description: Leaf spots oval to elliptic or linear, 2-10 mm long, 1-3 mm wide, pale to dark brown, with center paler than margin. Fruiting amphigenous. Stromata none or a few brown cells. Co-nidiophores 1-9 in a fascicle, pale to medium brown, uniform in colour, mostly irregular in width, not branched, 2-5 septate, sometimes constricted at the septa, 1-2 mildly or abruptly geniculate, rounded at the apex, 10-120 × 3-5 μm; conidial scars thickened, 0.5-1 mm wide. Conidia hyaline, cylindric to cylindro-obclavate, straight to slightly curved, 2-5 septate, rounded at the apex, obconic at the base with a small thickened hilum, 15-60 × 3-4.5 μm.
 
 
 
 
 
 Specimens:

Taiwan, Taipei, 15 July, 1920, Herb. NTU-PPE.

 
 
 
 Habitat: On leaves, leaf sheaths, pedicels and glumes of Oryza sativa L.
 
 
 
 Distribution:

Widely distributed in the tropics where rice is grown intensively.

 
 
 
 References:

Hsieh, WH and Goh, TK. 1990.

   
   
   
 Provided:

W. H. Hsieh

 
 
 Note: null