blister rust

noun

: 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

Example Sentences

Recent Examples on the Web

But during the past decade, a non-native fungal disease known as white pine blister rust has been killing the trees at an alarming rate. —Jayme Moye, Condé Nast Traveler, 27 Feb. 2023

The greatest threat to whitebark pine trees in the American West is white pine blister rust, a nonnative fungal disease. —Michael Kohn | The Bulletin, oregonlive, 15 Dec. 2022

Trees can contract and host infectious diseases such as blister rust, which ravages many pine species. —Monica Serrano, National Geographic, 14 Apr. 2022

The seedlings were offspring of whitebark pines that were found to be genetically resistant to the white pine blister rust. —Michael Kohn | The Bulletin, oregonlive, 15 Dec. 2022

Researchers and private groups are working with federal officials on plans to gather cones from blister rust-resistant trees, grow the seeds in greenhouses and then plant them back on the landscape. —Matthew Brown, ajc, 14 Dec. 2022

They were killed by blister rust, a Eurasian fungus that arrived in contaminated soils in the early 20th century on boats coming to North America. —Jon Waterman, Outside Online, 15 June 2020

But the biggest threat to the species is a fungus called blister rust. —Arkansas Online, 30 July 2021

The fruit was thought to harbor a tree-damaging disease called white pine blister rust. —Aliza Abarbanel, Bon Appétit, 15 Mar. 2021

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Word History

First Known Use

1897, in the meaning defined above