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    Author(s): Erik Christiansen
    Date: 1991
    Source: In: Baranchikov, Yuri N.; Mattson, William J.; Hain, Fred P.; Payne, Thomas L., eds. Forest Insect Guilds: Patterns of Interaction with Host Trees; 1989 August 13-17; Abakan, Siberia, U.S.S.R. Gen. Tech. Rep. NE-153. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 321-334.
    Publication Series: Paper (invited, offered, keynote)
    Station: Northeastern Research Station
    PDF: View PDF  (970.0 KB)

    Description

    During the years 1971 to 1982, major epidemics of the spruce bark beetle, Ips typographus L., occurred in southeastern Norway and adjoining parts of Sweden. The outbreaks were triggered by large-scale wind-felling and long-lasting drought (Worrell 1983). This "epidemic of the century," hitting our important timber tree, Norway spruce, Picea abies (L), stimulated research in Norway and other countries of the region on the relationship between the beetle, its fungal symbionts, and the host tree.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Christiansen, Erik. 1991. Ips typographus and Ophiostoma polonicum versus Norway spruce: joint attack and host defense. In: Baranchikov, Yuri N.; Mattson, William J.; Hain, Fred P.; Payne, Thomas L., eds. Forest Insect Guilds: Patterns of Interaction with Host Trees; 1989 August 13-17; Abakan, Siberia, U.S.S.R. Gen. Tech. Rep. NE-153. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 321-334.

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https://www.fs.usda.gov/treesearch/pubs/19638