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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: 54-58.
    Publication Series: Proceedings - Paper (PR-P)
    Station: Washington Office
    PDF: View PDF  (1.2 MB)

    Description

    The pectinase activity of Nectria coccinea was studied in vitro and in vivo in relation to the pectinases of Cryptococcus fagisuga and the nature of the bark. Any pectinases necessary for degradation of pectic material were secreted by the fungus in vitro. Some pectinases produced by the insect are of great significance in the predisposition of the bark to alteration by the fungus. The assistance given by the scale insect and the pectinase pool of N. coccinea which is well adapted to the trunk bark, is a possible explanation of the specificity of the association C. fagisuga/N. coccinea.

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    Citation

    Perrin, R. 1983. Pectinase activity of Nectria coccinea (Pers ex Fries) fries in relation to beech bark disease. 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: 54-58.

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