noun Plant Pathology.
a disease of fruit or vegetable storage organs at the ripening stage, caused by any of several fungi or bacteria and characterized by spotting and rapid decay.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ripe rot
Historical Examples of ripe rot
Ripe-rot or bitter-rot (Glomerella rufomaculans) is a disease due to the same fungus causing the bitter-rot of the apple.Manual of American Grape-Growing
U. P. Hedrick