blister rust

noun

Definition of blister rust 

: any of several diseases of pines that are caused by rust fungi (genus Cronartium) in the aecial stage and that affect the sapwood and inner bark and produce blisters externally

Examples of blister rust in a Sentence

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Wheat rust needs barberry to survive, cedar-apple rust needs both juniper and an apple relative, and white pine blister rust needs a susceptible member of the currant family. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015 Other Rusts Wheat rust, cedar-apple rust, and white pine blister rust require alternate hosts. The Editors Of Organic Life, Good Housekeeping, "Grow Healthy Food By Identifying + Treating These Common Plant Diseases," 21 July 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blister rust.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of blister rust

1897, in the meaning defined above

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The first known use of blister rust was in 1897

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