Pest Management: Symptoms
Mango - Bark borer: Indarbela tetraonis
- Symptoms of Damage:
Young trees may succumb to the attack.
Caterpillars bore into the trunk or junction of branches
Caterpillars remain hidden in the tunnel during day time and come out at night, feed on the bark.
Presence of gallery made out of silk and frass
- Identification of Pest:
Larva - Stout and dirty brown in colour
Adult - Stout yellowish brown moth with brown wavy markings on the forewings
Hind wings are white in colour.
Males are smaller than the females.
Remove and destroy dead and severely affected branches of the tree
Remove alternate host, silk cotton and other hosts
Grow tolerant mango varieties viz., Neelam, Humayudin.
Padding with monocrotophos 36 WSC 10 ml in 2.5 cm /tree soaked in absorbent cotton.
If infestations are severe then apply the copper oxychloride paste on the trunk of the tree.
Hook out the grub from the bore hole - apply monocrotophos 36 WSC 10 to 20 ml/ hole one celphos tablet (3 g aluminum phosphide) per hole
Apply carbofuran 3G 5 g per hole and plug with mud.
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