Septoria Leaf Spot
Septoria Leaf Spot (Septoria lycopersici): The plant may be attacked at any stage of its growth. The disease is characterized by numerous, small, grey, circular leaf spots having dark border.
Control: Removal and destruction of the affected plant parts. Seed treatment with Thiram or Dithane M-45 (2 g/kg seed) is useful in checking seed borne infection. In the field spraying with Dithane Z-78 (0.2%) effectively controls the disease.
