Bacterial soft rot, bacterial stem rot
potato is a different subspecies. How to prevent Bacterial soft rot, bacterial stem rot Prevent high humidity Use sanitation to prevent spread within the crop [...] lesions first are small and sunken, water-soaked and light to dark brown. They are adjacent to wounds and natural openings at the stem end. Later the fruit [...] been found in the gut of insects, possibly spreading from decaying vegetation to the growing crop that way. Erwinia carotovora subsp. carotovora or Pectobacterium