Course Content
Common bunt of wheat
Angular leaf spot/ bacterial blight/boll rot/black arm of cotton
Rice tungro virus
Rice grassy stunt virus
Rice ragged stunt virus
Rice yellow dwarf disease
Learn crop diseases and their management with Braimy- B.Sc agriculture
About Lesson


  • Gray conidiophores that bear terminal, pear-shaped, mostly two-septate conidia

Rice blast or rotten neck of rice | KrishiMala

Favorable condition:

  • Application of excessive doses of nitrogenous fertilizers,
  • Intermittent drizzles,
  • cloudy weather,
  • high relative humidity (93-99 per cent),
  • low night temperature (between 15-20 0C or less than 26 0C)
  • more number of rainy days, longer duration of dew, cloudy weather
  • Slow wind movement and availability of collateral and alternate host.

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