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. 

Plants may brea k at these points.
