Observation 70421: Cronartium ribicola J.C. Fisch.
When: 2011-06-26
No herbarium specimen

Notes: White Pine Blister Rust on Pinus monticola Dougl. ex D. Don – Western White Pine

White pine blister rust is a disease that was introduced from Europe at the turn of the 20th century. Economically, it is one of the most important forest diseases in North America. It brought about a decrease in reforestation of white pine in Quebec, despite the species’ considerable commercial value:

http://imfc.cfl.scf.rncan.gc.ca/...

Alternate host: currant – Ribes spp.

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Created: 2011-06-28 23:06:46 EDT (-0400)
Last modified: 2011-06-28 23:14:41 EDT (-0400)
Viewed: 36 times, last viewed: 2016-11-23 13:05:42 EST (-0500)
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