• Leaves initially pale, loose their turgidity, droop down and finally     results in large scale withering  .
• Gradual or sudden wilting from bottom to top is observed.
• Entire plant wilts or dies within a few days.
• The disease incidence occurs in patches in the field. 
• Dark streaks are seen when the bark of stem below the soil level and tap root are removed.
• The  affected stem exhibit vascular browning  indicating xylem   plugging with mycelia.
• The disease is soil borne. 

Management

• Seed treatment with   talc formulation of T. viride @ 4g or P. fluorescens @ 10 g/kg  Carbendazim or Thiram @ 2 g/kg
• Basal soil application of  neem 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