Bacterial blight(Oily spot) of pomogranate

 

Causal Organism:Xanthomonas axanopodis. PV. Punicae.

                                                                                      Symptoms: 1.Small,irregular,water soaked Spots appear on leaves.                                       2.Later spots turn light brown to dark  brown and are surrounded by prominent water soaked margin.                                           3. Severely infected leaves fall off.                     4.Finally the branches breakdown. Brown to black spots appear on the pericarp with L and Y shaped cracks. The spots on fruits are raised and oily in appearance.                        

                    Management   :                               1.Clean cultivation and strict sanitation in the orchard help to reduce the disease incidence.                                                                  2.Spraying with Bordeaux mixture 1.0 percent controls the disease.