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Non-Ribes alternate hosts of white pine blister rust: What this discovery means to whitebark pineAuthor(s): Paul J. Zambino; Bryce A. Richardson; Geral I. McDonald; Ned B. Klopfenstein; Mee-Sook Kim
Source: Nutcracker Notes. 10: 6.
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
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DescriptionFrom 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 five-needled 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 non-Ribes alternate hosts for the white pine blister rust fungus is an illustration of this point.
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CitationZambino, 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.
KeywordsCronartium ribicola, Ribes, white pine blister rust, whitebark pine
- First report of the white pine blister rust fungus, Cronartium ribicola, infecting Ribes inerme in north-central Utah
- A paradigm shift for white pine blister rust: Non-Ribes alternate hosts for Cronartium ribicola in North America
- Biology and pathology of Ribes and their implications for management of white pine blister rust
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