bitter rot

American  

noun

Plant Pathology.

1. a disease of apples, grapes, and other fruit, characterized by cankers on the branches or twigs and bitter, rotted fruit, caused by any of several fungi.

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Etymology

Origin of bitter rot

An Americanism dating back to 1860–65

Example Sentences

Excessive rain brings other problems, including an apple disease named bitter rot, to which Honeycrisp apples are particularly susceptible.

From Washington Post • Sep. 7, 2021

Does not keep well, rather subject to bitter rot, but a great favorite with house-keepers, and a useful shade tree near the kitchen door.

From American Pomology Apples by Warder, J. A.

The pecan has a fungus attacking it that is very similar to the bitter rot of the apple.

From Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913 by Northern Nut Growers Association

Winesaps fall off badly, and are affected with bitter rot.

From The Apple by Various

Used for fungous and insect enemies of the potato, and of the apple when bitter rot is troublesome.

From Agriculture for Beginners Revised Edition by Burkett, Charles William