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 20:06:46 PDT (-0700)
Last modified: 2011-06-28 20:14:41 PDT (-0700)
Viewed: 38 times, last viewed: 2017-06-09 13:39:12 PDT (-0700)
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