Fireblight

Fireblight (Erwinia amylovora) - Symptoms of fireblight can appear on flowers, buds, shoots, leaves, and mature stems and branches. Symptoms include water soaking on the petals, peduncle, and ovary. These infected tissues will eventually turn black. Infected leaves will have a blackened midvein and will eventually shrivel and die while remaining on the tree. Infected shoots turn black and curl giving a ‘Shepherd’s Crook’ appearance. When branches are infected the bark will appear water soaked. The underlying wood will become discolored. Often times, infected tissues will exude an amber colored bacterial ooze.



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