Erwinia (genus)

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Fire blight (Erwinia amylovora) on a pear tree (Pyrus communis L.)
Source: Wikimedia Commons

Erwinia Winslow et al., 1920

This genus of bacteria contains around 30 species which are mainly plant pathogens, causing necrotic diseases like blights, cankers, die-back, leaf spots and wilts (amylovora group) or soft-rotting diseases (carotovora group). Various crops, mainly fruits and vegetables become infected. The bacteria are Gram-negative rods, 1-3 µm long.

Type species: Erwinia amylovora

See also the closely related genus Dickeya.

For details see the respective page in Wikipedia.


Currently, the following species have been entered into the system: