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    Author(s): R. Perrin
    Date: 1983
    Source: In: Proceedings, I.U.F.R.O. Beech Bark Disease Working Party Conference; 1982 September 26-October 8; Hamden, CT. Sponsored by the USDA Forest Service, Northeastern Forest Experiment Station. Gen. Tech. Rep. WO-37. [Washington, DC]: U.S. Department of Agriculture, Forest Service: 50-53.
    Publication Series: Proceedings - Paper (PR-P)
    Station: Washington Office
    PDF: View PDF  (946 KB)

    Description

    The specificity of the Cryptococcus fagisuga and N. coccinea association is studied by artificial inoculation of 4 species of Nectria: N. coccinea, N. ditissima. N. galligena and N. cinnabarina on bark infested with beech scale. N. coccinea appears to be the most efficient species for producing necrosis at the cambial level. The composition of the bark, in relation to induced pectinase activity gives a good explanation of the specificity recorded here.

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    Citation

    Perrin, R. 1983. Specificity of Cryptococcus fagisuga and Nectria coccinea association in beech bark disease in Europe. In: Proceedings, I.U.F.R.O. Beech Bark Disease Working Party Conference; 1982 September 26-October 8; Hamden, CT. Sponsored by the USDA Forest Service, Northeastern Forest Experiment Station. Gen. Tech. Rep. WO-37. [Washington, DC]: U.S. Department of Agriculture, Forest Service: 50-53.

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