Banana (Musa spp.)

Rhizome Rot(Erwinia carotovora)

Symptoms

  • Affected plants show discolouration and soft rotting of rhizomes and suckers.
  • They have scanty roots with dark brown lesions and necrotic tips.
  • Badly affected plants remain stunted with water-soaked, discoloured leaf sheath bases and yellow leaf blades which give scorched appearance.
  • Soft blackened ring is seen on the pseudostem at the soil level.
  • The pseudostem tips over, breaking across the rotted portion, particularly at the ground level.
  • The entire roots get blackended and rotted

Management

  • Eradicate/destroy infected clumps of suckers.
  • Avoid furrow irrigation and follow basin irrigation.
  • Remove Heliconia spp. and other weeds from the field and nearby area