blister rust

American  

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.

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blister rust British  

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

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Etymology

Origin of blister rust

First recorded in 1915–20

Example Sentences

A nonnative fungus - white pine blister rust - has been killing whitebark pines for a century and they’ve been largely wiped out in areas.

From Washington Times • Dec. 14, 2022

But, in 1911, the federal government banned black currants, which carried white pine blister rust, a fungus that infected white pines and presented a threat to the timber industry.

From New York Times • Mar. 11, 2022

Adding to their advantages, about one-quarter of the trees Maloney is planting carry a gene resistant to white pine blister rust, a much higher rate than occurs naturally.

From Los Angeles Times • Nov. 18, 2019

Seedlings generally fight losing battles against thick forest over-stories and other competition, compounded by attacks from a non-native fungus called blister rust.

From Seattle Times • Mar. 26, 2018

We have found in Minnesota a disease on the white pine called the 'white pine blister rust.'

From Trees, Fruits and Flowers of Minnesota, 1916 Embracing the Transactions of the Minnesota State Horticultural Society,Volume 44, from December 1, 1915, to December 1, 1916, Including the Twelve Numbers of "The Minnesota Horticulturist" for 1916 by Latham, A. W.