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Non-Ribes alternate hosts of white pine blister rust: What this discovery means to whitebark pine


Zambino, Paul J.; Richardson, Bryce A.; McDonald, Geral I.; Klopfenstein, Ned B.; Kim, Mee-Sook. 2006. Non-Ribes alternate hosts of white pine blister rust: What this discovery means to whitebark pine. Nutcracker Notes. 10: 6.

From early to present-day outbreaks, white pine blister rust caused by the fungus Cronartium ribicola, in combination with mountain pine beetle outbreaks and fire exclusion has caused ecosystem-wide effects for all fiveneedled pines (McDonald and Hoff 2001). To be successful, efforts to restore whitebark pine will require sound management decisions that incorporate an understanding of many interacting factors, including the biology and life cycle of the fungus, whether it may adapt and change its behavior when exposed to different environments and hosts, and mechanisms and predicted frequencies of resistance in current and regenerating stands and populations of its hosts. Despite the long history of white pine blister rust on whitebark pine, significant gaps in our knowledge of the pathogen, the disease, and resistance are increasingly apparent. Our recent discovery of nonRibes alternate hosts for the white pine blister rust fungus is an illustration of this point.

Keywords: Cronartium ribicola, Ribes, white pine blister rust, whitebark pine


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Title: RMRS Other Publications: Non-Ribes alternate hosts of white pine blister rust: What this discovery means to whitebark pine
Electronic Publish Date: June 17, 2013
Last Update:
June 17, 2013

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