blister rust

noun

, Plant Pathology.

1. a disease, especially of white pines, characterized by cankers and in the spring by blisters on the stems, caused by a rust fungus of the genus Cronartium.

blister rust

noun

1. a disease of certain pines caused by rust fungi of the genus Cronartium , causing swellings on the bark from which orange masses of spores are released

Word History and Origins

Origin of blister rust¹

First recorded in 1915–20

Example Sentences

Blister rust is like having the flu; the pine beetle is like fast acting leukemia.

From The Daily Beast

Briefly, blister rust is an Asian fungus introduced from Europe to America around 1900.

From The Daily Beast