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Tauno Kallio

Peniophora gigantea (Fr.) Massee and wounded spruce (Picea abies (L.) Karst. Part 2Peniophora gigantea ja kuusen vauriot. Osa 2

Kallio T. (1976). Peniophora gigantea (Fr.) Massee and wounded spruce (Picea abies (L.) Karst. Part 2Peniophora gigantea ja kuusen vauriot. Osa 2. Acta Forestalia Fennica no. 149 article id 7583. https://doi.org/10.14214/aff.7583

Abstract

The paper is a continuation of an earlier report by the author on the same subject (Acta Forestalia Fennica 133, 1973). Norway spruce (Picea abies (L.) H. Karst.) wounds were inoculated with Peniophora gigantea (Phlebiopsis gigantea) and the discolorations starting from the wounds were investigated three years after the wounding. Fomes annosus (Heterobasidion annosum) had infected 17 % of the total number of wounded trees. If no microbes were growing at the furthest point of the discoloration that had started from the wound, the discoloration advanced upward from wounds made at breast height at a rate of 61 cm/year in the dominant and 36 cm/year in the suppressed trees. In the dominant trees, a year after the wound was inflicted the discoloration had advanced at a rate of 50 cm/year and after three years the rate was 61 cm/year. This difference is not significant. Where microbes were present at the furthest point of discoloration, the discoloration had advanced 27 cm/year in one year and 42 cm/year in three years. Also, this difference is not significant.

A microbe was isolated from the furthest point of discoloration in only 13 out of 42 possible cases. The most common microbe was Stereum sanguinolentum. Bacteria showed the fastest rate of advance.

The PDF includes a summary in Finnish.

Keywords
Peniophora gigantea; Phlebiopsis gigantea; Picea abies; Norway spruce; Fomes annosus; Heterobasidion annosum; infection; pathogens; fungal diseases

Published in 1976

Available at https://doi.org/10.14214/aff.7583 | Download PDF

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