Chemical management

  • Swab coal tar + kerosene @ 1:2 or Carbaryl 50 WP 20 g/lit solution (basal portion of the trunk - 3 feet height) after scraping the loose bark to prevent egg laying.
  • If infestations are severe then apply the copper oxychloride paste on the trunk of the tree.
  • Put a celphos tablet (3g aluminium phosphide) or carbofuran 3G 5 g  per hole and plug it with mud
  • The bore holes should be traced and opened.
  • A swab of cotton wool soaked in chloroform or petrol 5 ml or carbon disulphide or kerosene oil or dichlorvos 10 ml/lit is inserted in to the hole and sealed with mud.
  • Methyl parathion 1 ml/lit poured in to the hole or tablet of aluminium phosphide inserted into the hole to kill the grub.
  • When burrows are superficial, extract the grubs with stiff hooked wire and paint with Bordeaux paste.