Sugarcane (Saccharum officinarum L)

Gummosis(Xanthomonas axonopodis pv. Vasculorum)

Symptoms

  • Longitudinal chlorotic stripes on leaves, turning brown and necrotic, leading to leaf drying from tip downwards
  • Infected canes exhibit stunted growth, short internodes, and bushy appearance, with bacterial ooze and rotten pockets visible when cut open

Management

  • Select setts from the healthy fields.
  • Avoid growing collateral hosts like maize, sorghum, bajra etc. near the sugarcane fields.
  • Remove and burn the infected plants and clumps from the field.
  • Soak the setts in cold water for 24 hours and then treating them either at 50 degree Celcius for 2-3 hours in hot water or moist hot air therapy at 54 degree Celcius for 4 hours.
  • Treating them with streptomycin sulphate 100 ppm (1 gram/ 10 litre of water) for 24 hours.