blister rust


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Related to blister rust: Cronartium ribicola

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.

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

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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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 externallyblister 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 externally
rust - 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
References in periodicals archive ?
The effort involves trying to locate healthy, "plus" trees that have been resilient to blister rust, collect their cones, process the seeds and send them to a lab for testing.
The other scourge has been white pine blister rust, a fungus from Asia that was introduced to North America in the early 20th century.
Disaster struck late in the century, in the form of white-pine blister rust, a fungal disease that alternately infects Ribes family members and white pines.
The center works almost entirely on the pathogens Cronartium ribicola and Phytophthora lateralis, more commonly known as the cause of white pine blister rust and of Port-Orford-cedar root disease, respectively.
The government's Landcare Research institute said Wednesday it had released the Peruvian disease, lantana blister rust, in the eastern North Island in a bid to control lantana, considered one of the world's 10 worst weeds.
White pine blister rust comes from a combination of white pines and flowering plants -- called ribes -- like gooseberries and currants.
"White pine blister rust, a lethal disease accidentally brought to the continent on imported seedlings, has wiped out roughly 50 percent of the whitebark pine in the Rocky Mountains since its arrival in the early 20th century," reports NRDC.
Unfortunately, along with the seedlings came "hitchhikers," like white pine blister rust, which caused up to 80% mortality in mature white pine groves in the early twentieth century.
Along the way, we also learn a lot of terminology associated with the USFS Blister Rust Control program and about firefighting in a forest--hard work, but necessary, important work.
Pruning reduces blister rust in sugar pine with minimal effects on tree growth.
Table 4--Humidity resistance test results Time Exposed: 168 Hr 504 Hr 1,008 Hr Appearance Blister Rust Blister Rust Blister Rust Sample Formula #1 10 10 10 10 8F 10 Formula #2 10 10 10 10 8F 10 Formula #3 10 10 10 10 8F 10 WB-X 10 10 8F -6- 10 6-8M 10 8M (Clusters) (Ousters) SB-Y 10 10 10 10 10 10 10