What are the symptoms of rust disease and how it can be managed?

disease

Orange coloured pustules appear on the lower surface of the leaflets. In severe cases, lesions also appear on other plant parts expect flowers. Removal of infected plant parts. Collect seed from disease free areas. Seed treatment with Tebuconazole 2ds @ 1g or 3 g of mancozeb/kg of seed. Spraying of mancozeb @1000 g or Chlorothalonil @1000 g or Tridemorph @1000 g /ha in 500 liters of water at 15 days interval starting from disease appearance.