1979•Forest PathologyRequires access

Biological control of Heterobasidion annosum (Fr.) Bref. (Fomes annosus) in Finland

Tauno Kallio, Anna‐Maija Hallarsela

Abstract

Fresh stumps of Norway spruce (Picea abies) were inoculated with Peniophora gigantea (Fr.) Massee, Botrytis cinerea Pers. ex Fr., Gliocladium deliquescens Sopp, Trichoderma viride Pers. ex Fr. ex S. F. Gray aggr. and Verticicladiella procera Kendrick in order to study their effect on infection by Heterobasidion annosum (Fr.) Bref. The organisms colonizing spruce stumps under natural conditions were identified by collecting samples in the field. In addition, the effect of season of the year, air temperature, precipitation and relative air temperature on fungal colonization of the stumps was investigated.

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Key concepts: Heterobasidion annosum, Biology, Trichoderma viride, Botany, Fomes, Picea abies, Inoculation, Horticulture