Identification symptoms

  • The leaves exhibit small circular or irregular, dark brown or black greasy spots. As the spots enlarge in size, the centre becomes lighter Surrounded by a dark band of tissue.
  • The spot coalesce to form irregular lesions. Severely affected leaves become chlorotic and fall off.
  • Petioles and stems are also affected. Stem infection leads to formation of cankerous growth and wilting of branches.
  • On the fruits round, raised water soaked spots with a pale yellow border and produced.
  • The spots turn brown developing a depression in the centre wherein shining droplets of Bacterial cozen may be observed.