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.

---

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

The pecan anthracnose looks like the bitter rot, has the same pink spore masses and you will be able to recognize it.

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

On some rich western soils, it is disposed to bitter rot, which may be easily prevented, by application to the soil of lime and potash.

From Soil Culture by Walden, J. H.

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

In Illinois, to illustrate, we have what is called the bitter rot fungus in the southern part of the state.

From Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916 by Latham, A. W.