- any plant disease, especially of apples, peaches, plums, and cherries, characterized by browning and decay of tissues, caused by various fungi and bacteria.
Origin of brown rot
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for brown rot
It has the reputation of being quite susceptible to brown-rot.
The fruits are too tender for shipment and very subject to brown-rot.
For a peach of its season, Schumaker is remarkably free from brown-rot.
As grown on the Station grounds the fruits are very susceptible to brown-rot.
It resembles Triumph but is larger and freer from leaf-curl and brown-rot.
- a disease of apples, peaches, etc, caused by fungi of the genus Sclerotinia and characterized by yellowish-brown masses of spores on the plant surface
- decay of timber caused by the action of fungi on the cellulose
- Any of several plant diseases, especially a disease of peach, plum, cherry, and related plants, caused by an ascomycete fungus and characterized by wilting and browning of the flowers and leaves and rotting of the fruits.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.