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Anna-Maija Hallaksela

Causal agents of butt-rot in Norway spruce in southern Finland.

Hallaksela A.-M. (1984). Causal agents of butt-rot in Norway spruce in southern Finland. Silva Fennica vol. 18 no. 3 article id 5216. https://doi.org/10.14214/sf.a15395


A total of 146 Norway spruce-dominated clear-cutting areas and 140 of the sample plots included in the 7th National Forest Inventory in Finland were examined during 1974–78. The micro-organisms causing decay in Norway spruce (Picea abies (L.) H. Karst.) sample trees were identified. The most common causal agent of butt-rot was Heterbasidion annosum (Fr.) Bref. Other fungi causing decay in the spruce trees were Armillaria mellea (Vahl.) Quél, Stereum sanguinolentum (Alb. & Schw. ex Fr.), Resinicum bicolor (Alb. & Schw. ex Fr.) Parm. and Climacocystis borealis (Fr.) Kotl. & Pouz. Species of Ascocoryne were very often present in the decay. The decay caused by H. annosum was considerably more extensive than cases of decay where the fungus was not present.

The PDF includes a summary in Finnish.

decay; fungal diseases; Norway spruce; Picea abies; root rot; Heterobasidion annosum; Armillaria mellea; Stereum sanguinolentum; Resinicum bicolor; Climacocystis borealis; Ascocoryne

Published in 1984

Available at https://doi.org/10.14214/sf.a15395 | Download PDF

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