Identification Symptoms

  • Initially, disease appear as light yellowing of the tips of lower leaves which gradually spreads down to the leaf blade and leaf sheath along the margin.
  • The middle portion of the lamina remains green while the margins become yellow.
  • The yellowing spreads to all the leaves of plant from bottom upwards and is followed by drooping, withering and drying.
  • The collar region of the pseudo-stem shows pale translucent brown colour which becomes water soaked, due to destruction of parenchymatus tissues.
  • The infected plants can be easily pulled out from the rhizomes, the infection from the collar spreads to the rhizome gradually.
  • The rhizome has a discoloured appearance before rot sets in the fi bro vascular strands are not affected.