A bacterial disease (Erwinia amylovora) of apple, pear and other pome fruit trees that causes blossoms, shoots and branches to blacken and wilt as though scorched by fire, and can kill young trees outright. Native to North America, it spread to Europe in the twentieth century and remains one of the most destructive diseases in commercial pear and apple production, with no fully curative treatment once a tree is infected.
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Quarantine StatusQuarantine Pest (ISPM 5) 2 Connections
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Apple, Crops Fire blight (Erwinia amylovora) is a major bacterial disease of apple and other pome fruit.
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Sources
1. Fire Blight (Wikipedia)
Wikimedia FoundationOpening definition paragraph
Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae. It is a serious concern to apple and pear producers. Under optimal conditions, it can destroy an entire orchard in a single growing season.
lead description
A bacterial disease (Erwinia amylovora) of apple, pear and other pome fruit trees that causes blossoms, shoots and branches to blacken and wilt as though scorched by fire, and can kill young trees outright.
Article text
Cultural control options include selecting resistant cultivars, however most commercially successful apple cultivars lack fire blight resistance.
Article text, control method
Certain biological controls consisting of beneficial bacteria or yeast can also prevent fire blight from infecting new trees.
In Group: Erwinia, Pectobacterium and Dickeya Diseases, Wikipedia article lead
The causal pathogen is Erwinia amylovora, a Gram-negative bacterium in the genus Erwinia
View the Source 2. Fire blight (Wikipedia)
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