fire blight


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fire blight

[′fīr ‚blīt]
(plant pathology)
A bacterial disease of apple, pear, and related pomaceous fruit trees caused by Erwinia amylovora; leaves are blackened, cankers form on the trunk, and flowers and fruits become discolored.
References in periodicals archive ?
Identification and characterization of virulence factors via the elucidation of regulatory networks in the fire blight pathogen erwinia amylovora.
By the mid-1800s, pear breeding and trial programs focused on fire blight resistance.
Roxbury Russet' offers good resistance to apple scab and powdery mildew, and it's moderately susceptible to fire blight and cedar apple rust.
He cited fire blight during spring bloom as another factor.
In recent years, Budagovsky 9 has become an important dwarfing rootstocks due to its tolerance or the bacterial disease fire blight.
22) The WTO Appellate Body then held that, despite Japan's intention to prevent the spread of fire blight, their SPS measures were maintained 'without sufficient scientific evidence' and were therefore inconsistent with Article 2.
That may explain why the Environmental Protection Agency is granting "emergency" permission to the state of Michigan to spray apple orchards with gentamicin to fight a tree disease called fire blight.
Fire blight has become resistant to streptomycin, the antibiotic apple growers had been using.
Fire blight disease has killed many thousands of these trees, and it is no longer recommended for planting.
The most devastating epidemic, fire blight, put an end to most commercial pear growing in the eastern U.
apples, designed to prevent a plant disease called fire blight, are not supported by scientific evidence.
Japan originally imposed the quarantines after finding fire blight disease in U.