Definition of fire blight
: a destructive infectious disease especially of apples, pears, and related fruits caused by a bacterium (Erwinia amylovora)
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Recent Examples of fire blight from the Web
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The variety Orient probably offers the best compromise between a quality pear with good resistance to fire blight.
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Copper is a fungicide and bactericide that controls diseases like bacterial blight, fire blight and Nectria canker.
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Pruning encourages vigorous regrowth, and that new growth would be highly susceptible to fire blight.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fire blight.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of fire blight
1742
Learn More about fire blight
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See words that rhyme with fire blight Britannica.com: Encyclopedia article about fire blight
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