Identification Symptoms
 
                   
                   
                   
                  - Grubs bore into the rhizome. 
- Black coloured mass of
     rotten tissue observed in the rhizome 
- The plants may show premature withering, the
     leaves become scarce, and the fruits become under sized.
- Presence of dark
     coloured tunnels in the rhizomes.
- Very few suckers
     emerge from the affected plant.
- Death of unopened pipe,
     withering of outer leaves finally cause death of the plant