Coconut (Cocos nucifera)

Grey blight (Pestalotia palmarum)

Symptoms

  • Symptoms appear in the mature leaves of the outer whorl as yellow specks encircled by a greyish band which later become greyish white
  • The spots coalesce into irregular necrotic patches causing extensive leaf blight.
  • In advanced stages, the tips and margins of the leaflets dry and shrivel giving a burnt appearance.

Management

  • Remove severely affected older leaves and burn.