RICE :: FUNGAL DISEASES :: NARROW BROWN LEAF SPOT

Narrow brown leaf spot - Cercospora janseana (Sexual stage: Sphaerulina oryzina)
Symptoms
The fungus produces short, linear brown spots mostly on leaves and also on sheaths, pedicels and glumes. The spots appear in large numbers during later stages of crop growth.

Pathogen
Conidiophores are produced in groups and brown in colour. Conidia are hyaline or sub hyaline, cylindrical and 3-5 septate.
Management
Spray Carbendazim 500 g or Mancozeb 2 kg/ha.