Ascomycetes, Fungi imperfecti, and Bacteria invading experimentally created wounds on stems of 55–60 years oldPicea abieswere studied after 1,2, and 4 years. The effect of wounding season, number of years since wounding, tree diameter class, height above ground, size and depth of the wounds is discussed. A general discussion is given of all isolated microorganisms, the Hymenomycetes included. Mutual influence of microorganisms is discussed.
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Roll‐Hansen et al. (1980) studied this question.
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