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Agricultural crops :: Pulses :: Redgram

Root Rot :(Scelerotial stage :Rhizoctonia bataticola )    (Pycnidial stage :Macrophomina phaseolina)

Symptom
  • The disease occurs both in young seedlings and grown up plants.
  • The lower leaves show yellowing, drooping and premature defoliation.
  • The discolored area later turns black and   death of plants occur.
  • The infected plants can be easily pulled out due to the rotting of the roots.
  • Minute dark sclerotia are seen in the shredded bark (collar region and root).
  • Large number of brown dots  on the stem portion represent the  pycnidial stage.
  • Prolong dry weather or drought followed by irrigation or rain favours   this disease build up.

Management

  • Seed treatment  with   talc formulation of T. viride @ 4g or P. fluorescens @ 1g/kg seed (or) Carbendazim or Thiram @ 2 g/kgNeem cake @ 150 Kg/ha
  • Soil application of  P. fluorescens or T. viride@ 2.5 Kg / ha + 50 Kg of        well decomposed FYM or sand at 30 days after sowing.
  • Spot drenching with Carbendazim @ 1 gm/ litre
::pulses:red gram_rootrot.png
Field symptom Bark shredding

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