This fact sheet on blackleg in potatoes was compiled by Hort Innovation and RM Consulting Group (RMCG) in Australia, and published online by AUSVEG. It provides information on management strategies of blackleg, the bacteria which commonly cause the disease, and what growers can do to prevent and manage it.
Blackleg on potato can be caused by either Pectobacterium or Dickeya species, and they often work together in different combinations to cause this disease. Both bacteria species belonging to the Pectobacteriaceae family.
In Australia, bacteria causing Blackleg was previously classified as Erwinia species.
A source: https://www.potatonewstoday.com