YELLOW AND WHITE RICE STEMBORERS
White stemborer Scirpophaga innotata
Yellow stemborer Scirpophaga incertulas
Damages :
Deadheart  
  deadheart - Central leaf whorl folds, turns brownish, dries up and dies
 
  - Damaged shoots can be easily pulled by hand
 
  - There is stemborer damage when tillers have tiny holes and fecal matter
 
  - When damage occurs at early tillering stage, plant compensates by producing additional tillers and yield loss is negligible
Deadheart infected plant
Whitehead
   
Management Strategies at Various Crop Growth Stages:
Crop Establishment
Vegetative (Tillering)
Reproductive (Early panicle initiation to flowering)
Ripening
Harvest and Post Harvest
   
Stemborer information sheet
  Stemborer population in Maligaya, Science City of Muñoz