- Mealy bugs drains sap from banana roots and the affected roots decay.
- Ants spread the mealy bugs from root to roots of the same plant and also to the neighbouring plants.
- The external symptoms manifested are yellowing of leaves, reduction in size of the leaves, curling and drying of leaf margin and breaking of leaves along the petiole base. Due to decaying of roots severely infested plants topple.
Randomly select 5 plants from 10 cent plot. Observe for the presence of root mealy bugs.
Mere presence of root mealy bugs.