Sökning: "Iwona Urban"

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  1. 1. The impact of stumps’ height on secondary spread of Heterobasidion parviporum in precommercial thinning stands of Norway spruce (Picea abies)

    Master-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Iwona Urban; [2015]
    Nyckelord :Norway spruce; Heterobasidion parviporum; precommercial thinning; wysokość pnia; świerk pospolity; czyszczenia późne;

    Sammanfattning : The economic losses caused by Heterobasidion spp. infection is an important issue in the Swedish forestry sector where Scots pine and Norway spruce make up to 80% of the standing volume. Both of the fungi species naturally existing in Sweden: H. annosum and H. LÄS MER