sooty blotch

nounPlant Pathology.
  1. a disease, especially of apples and pears, characterized by sootlike spots or blotches on the fruit, caused by a fungus, Gloeodes pomigena.

  2. a disease of clover, characterized by black, crusty blotches on the underside of the leaves, caused by a fungus, Cymadothea trifolii.

Words Nearby sooty blotch Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sooty blotch in a sentence

  • To these should be added in the South and middle latitudes, sooty blotch and bitter rot.

    Apple Growing | M. C. Burritt