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black rot
noun
, Plant Pathology.
- any of several diseases of fruits and vegetables, characterized by black discoloration and decay of affected parts, caused by fungi, as Guignardia bidwellii, or bacteria, as Xanthomonas campestris.
black rot
noun
- any of various plant diseases of fruits and vegetables, producing blackening, rotting, and shrivelling and caused by bacteria (including Xanthomonas campestris ) and fungi (such as Physalospora malorum )
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Word History and Origins
Origin of black rot1
An Americanism dating back to 1840–50
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Example Sentences
It is said to be the most effectual preventive of black rot, and to destroy the Phylloxera, the two worst enemies of the grape.
From Project Gutenberg
When raised in humid climates it is subject to the attacks of mildew and black-rot.
From Project Gutenberg
On the other hand the fungus troubles are serious, the black-rot having been especially destructive in some sections.
From Project Gutenberg
The species is very susceptible to mildew and black-rot, and like Californica is not resistant to phylloxera.
From Project Gutenberg
Second, foliage particularly susceptible to the attack of mildew and fruit susceptible to the attack of black-rot.
From Project Gutenberg
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