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Bacterial leaf spot (Xanthomonas campestris pv. mori)

Period of occurrence:

The disease occur during rainy (June- November) with high severity during July-August

Identification of the disease:

  1. Presence of numerous water soaked spots which initially appear on the lower surface of the leaves.
  2. The tiny black spots appear on the upper surface of the leaves also.
  3. The leaves gradually turn brownish, and in the late stage the spots become brownish black surrounded by yellow halo around the spot.
  4. The necrotic tissues within the spot fall off forming minute holes.
  5. Yellowing and premature leaf fall.

   Bacterial leaf spot infected leaves

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