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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.
Origin of black rot
1840-50, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for black rot

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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