Erwinia amylovora (fireblight)

General view of a wild pear tree (Pyrus amygdaliformis) affected by E. amylovora.
P.G. Psallidas
Benaki Institute, Athens (GR)

General view of an infected pear
orchard (cv. Krystali).
P.G. Psallidas
Benaki Institute, Athens (GR)

Infected apple fruit (cv. Granny Smith).
Note the characteristic droplets of exudate on the fruit and peduncle.
P.G. Psallidas - Benaki Institute, Athens (GR)

Symptoms on Cotoneaster watereri.
R. Grimm (CH)

Symptoms on Cotoneaster salicifolius floccosus.
R. Grimm (CH)

Typical canker on Cydonia oblonga (quince).
P.G. Psallidas - Benaki Institute, Athens (GR)

Infection on Crataegus sp., showing less severe foliar symptoms than on pear.
Rijksstation voor Plantenziekten (NL)