Root Rot in Potato — causes, treatment and prevention for Indian conditions.
Black scurf (Rhizoctonia), Common scab, Late blight (Phytophthora)
Metalaxyl + Mancozeb 2.5g/L drench + foliar. Carbendazim 1g/L for Rhizoctonia.
Seed treatment. Avoid overwatering. Certified disease-free seed tubers.