Uprooted potato plant showing darkened stem symptoms - Claflin, Larry (My University, 1974)
Potato plant that was uprooted from the soil to show the darkened stem symptoms that extends over half of the stem length. Hence, the name blackleg.
Host/Plant: Potato (Solanum tuberosum subsp. tuberosum)
Pest/Path: Blackleg (Erwinia carotovora subsp. atroseptica)
Keywords: Potato; Blackleg; Potato Diseases; Color photographs