Meaning of sooty blotch
— Plant Pathol. Plant Pathol.
- a disease, esp. of apples and pears, characterized by sootlike spots or blotches on the fruit, caused by a fungus, Gloeodes pomigena.
- a disease of clover, characterized by black, crusty blotches on the underside of the leaves, caused by a fungus, Cymadothea trifolii.