What Diseases Do Potatoes Get

Common Scab (Streptomyces spp.) … Early blight (Alternaria solani) … Fusarium Dry Rot (Fusarium spp.) … Black Scurf and Rhizoctonia Canker (Rhizoctonia solani) … Pink Rot (Phytophthora erythroseptica) and Pythium Leak (Pythium spp.) … Late Blight (Phytophthora infestans) … Potato Virus Y.

What are the symptoms of potato blight?

• The initial symptom of blight on potatoes is a rapidly spreading, watery rot of leaves which soon collapse, shrivel and turn brown. …
• Brown lesions may develop on the stems.
• If allowed to spread unchecked, the disease will reach the tubers.

How can you prevent potato diseases?

1. Spray leaves and stems with a preventative treatment such as Bayer Garden Blight Control.
2. The best way to prevent potato blight is to plant a blight-resistant variety. …
3. Make sure potatoes are well earthed to prevent spores getting into the tubers.