blister rust
n.
Any of several diseases of certain pine trees caused by fungi of the genus Cronartium, resulting in conspicuous blistering, dieback of affected areas, and often death of the tree.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
blister rust
n
(Plant Pathology) 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
blis′ter rust`
n.
a disease, esp. of white pines, characterized by cankers and in the spring by blisters on the stems, caused by a rust fungus of the genus Cronartium.
[1915–20]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  blister rust - any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externallyrust - a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi |
| 2. | blister rust - fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host rust fungus, rust - any of various fungi causing rust disease in plants Cronartium, genus Cronartium - rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns |
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