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Research article - Peer-reviewed, 2006

Heterobasidion annosum root rot in Picea abies: Modelling economic outcomes of stump treatment in Scandinavian coniferous forests

Thor M, Arlinger JD, Stenlid J


The economic outcomes of stump treatment against spore infections of the root rot pathogen Heterobasiodion annosum s.l. were analysed based on simulations in four stands typical of Swedish forestry and forest management: (A) Norway spruce [Picea abies ( L.) Karst.] stand on former agricultural soil (SI = 32), (B) Norway spruce stand (SI = 26) on forest land; (C) Mixed stand of Norway spruce and Scots pine (Pinus sylvestris L.) (SI = 24) with only H. parviporum present, i.e. no infection of Scots pine and no possibility of interspecies spread of disease between hosts; and (D) same as C, but H. annosum s. str. (Fr.) Bref and H. parviporum Niemela & Korhonen present, i.e. interspecies spread of disease possible. Models for disease development, growth and yield and cross-cutting were used in the simulations. The simulated decay frequency in Norway spruce trees ranged between 2 and 90%. Stump treatment at the previous final felling and in all thinning operations was profitable at interest rates 1 and 3% in stands A, B and D, but not in stand C. In stand C, no stump treatment at all or treatment in thinnings only gave the highest net future value. Implications for stump treatment in practical forestry are discussed


Biological control; chemical control; cut-to-length; forest management; forest planning; Norway spruce; pest management

Published in

Scandinavian Journal of Forest Research
2006, Volume: 21, number: 5, pages: 414-423

    SLU Authors

    • Stenlid, Jan

      • Department of Forest Mycology and Pathology, Swedish University of Agricultural Sciences

    UKÄ Subject classification

    Economics and Business
    Environmental Sciences related to Agriculture and Land-use
    Social Sciences
    Forest Science

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