Jackfruit (Artocarpus heterophyllus)

Pink disease (C.O: Botryobasidium salmonicolaor and Corticium salmonicolor)

Symptoms

  • Disease appears as cobwebbing of mycelium followed by a pinkish powdery coating on the stem.
  • Pink colour represents profuse conidial production of fungus.
  • Young woody branches of the affected trees lose their leaves and show die back symptoms.
  • Pink encrustation is seen on the lower shaded side.

Management

  • The affected branches should be pruned off along with healthy tissues and destroyed.
  • The cut ends should be pasted with Bordeaux paste or Copper oxychloride 50 WP paste (10 g/litre of water).