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sooty blotch

American  

noun

Plant 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.


Example Sentences

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

From Project Gutenberg