Leaf roller (Sylepta derogata)

Symptoms

• Young larvae feed on the undersurface of the leaves for two days, later rolls the leaf in the form of trumpets and remains inside.
• More than one larva can be seen inside the roll.
• In severe cases, defoliation occurs.
• Larvae glistening green with dark head.

Management

• Collect and destroy rolled leaves.
• Avoid over use of nitrogen fertilizers.
• Spray of NSKE @ 4.0 per cent