Stem borer: Sahydrassus (=Phassus) malabaricus
Symptoms of damage
- Bore hole at the base of the stem with circular particle mat covering
- Wilting of tree.
Identification of pest
- Larva - Stout caterpillar.
- Adult - Big, brownish white moth.
Management
- Remove and destroy damaged branches and tree
- Use light trap 1/ha to attract and kill the adults
- Iron hooking – locate the bore hole and kill the grub
- Drench the stem with Chlorpyriphos 20 EC @ 2.5 litres in 250 litres of water (during February- March and September- October)
|
|
|
|