black rot
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.
Origin of black rot
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use black rot in a sentence
It is said to be the most effectual preventive of black rot, and to destroy the Phylloxera, the two worst enemies of the grape.
When raised in humid climates it is subject to the attacks of mildew and black-rot.
The Grapes of New York | U. P. HedrickOn the other hand the fungus troubles are serious, the black-rot having been especially destructive in some sections.
The Grapes of New York | U. P. HedrickThe species is very susceptible to mildew and black-rot, and like Californica is not resistant to phylloxera.
The Grapes of New York | U. P. HedrickSecond, foliage particularly susceptible to the attack of mildew and fruit susceptible to the attack of black-rot.
The Grapes of New York | U. P. Hedrick
British Dictionary definitions for black rot
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)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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