Blackleg is a bacterial infection of potato tubers and stems. While the disease is not widespread in Australia, new causal organisms have been identified over the past few years, warranting industry awareness.

Late Blight, also known as Irish Blight is caused by the fungal-like organism Phytophthora infestans, which can exist as two mating types, A1 and A2, each with numerous strains that have developed over time. Learn more about the disease, conditions conducive to its spread and management options.