1. Sweet Potato Root Rot Disease

It is a fungal infection, primarily affects the roots of sweet potatoes and is a devastating disease with severe consequences.

2. Sweet Potato Bacterial Wilt

Sweet Potato Bacterial Wilt is a destructive bacterial disease and is a quarantine object in China. It generally causes a yield loss of 20% to 30% in affected fields, while severely affected areas may experience up to 70% to 80% yield loss, and some fields may even suffer complete crop failure.

3. Black Spot Disease

Sweet Potato Black Spot Disease can occur during the seedling stage, growth stage, and storage period. It mainly affects the potato seedlings and tubers, sparing the green parts of the plant.