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RICE :: BACTERIAL DISEASES :: BACTERIAL LEAF STREAK



 

Bacterial leaf streak - Xanthomonas oryzae pv. oryzicola
Symptoms
Fine translucent streaks are formed on the veins and the lesions enlarge lengthwise and infect larger veins and turn brown. On the surface of the lesions, bacterial ooze out and form small yellow band-like exudates under humid conditions. In severe cases the leaves dry up.

Management

  • Burn the stubbles.
  • Use optimum dose of fertilizers.
  • Avoid clipping of tip of seedling at the time of transplanting.
  • Avoid flooded conditions.
  • Remove weed hosts. Grow resistant cultivars IR 20 and TKM 6.
  • Spray Streptomycin sulphate and tetracycline combination 300g + Copper oxychloride 1.25 Kg/ha.