Blar i Skogforsk, Aktuelt på forfatter "Solheim, Halvor"
-
Colonisation profiles of Thekopsora areolata and a co-existing Phomopsis species in Norway spruce shoots
Hietala, Ari Mikko; Solheim, Halvor; Fossdal, Carl Gunnar (Others, 2006)The difficulty in sub-culturing biotrophic fungi complicates etiological studies related to the associated plant diseases. By employing species-specific ITS sequence stretches, we used real-time PCR to investigate the ... -
Defence reactions in Norway spruce toward the pathogenic root-rot causing fungus Heterobasidion annosum
Fossdal, Carl Gunnar; Hietala, Ari Mikko; Kvaalen, Harald; Solheim, Halvor (Others, 2006)The root-rot causing fungus Heterobasidion annosum can attack both spruce and pine trees and is the economically most damaging pathogen in northern European forestry. We have monitored the H. annosum S-type (fairly recently ... -
Forest pathology research in the Nordic and Baltic countries 2005. Proceedings from the SNS meeting in Forest Pathology at Skogbrukets Kursinstitutt, Biri, Norway, 28-31 August 2005
Solheim, Halvor; Hietala, Ari Mikko (Aktuelt fra skogforskningen;1/06, Research report, 2006-04) -
Granbarkbillas assosierte blåvedsopper
Solheim, Halvor (Aktuelt fra skogforskningen;6-94, Research report, 1994) -
Hosts and distribution of Armillaria species in Serbia
Solheim, Halvor; Keča, Nenad Djuro (Others, 2006)Twenty-five tree species were recorded as hosts for five European Armillaria species in studies on forest ecosystems in Serbia. Armillaria was most frequently isolated from the conifers Picea abies and Abies alba and from ... -
Top shoot dieback on Norway spruce seedlings associated with Gremmeniella and Phomopsis
Børja, Isabella; Solheim, Halvor; Hietala, Ari Mikko; Fossdal, Carl Gunnar (Aktuelt fra Skogforskningen, Research report, 2006)In spring 2002, extensive damage was recorded in southeast Norway on nursery-grown Norway spruce seedlings that had either wintered in nursery cold storage or had been planted out in autumn 2001. The damage was characterised ... -
White rot fungi in living Norway spruce trees at high elevation in southern Norway with notes on gross characteristics of the rot
Solheim, Halvor (Others, 2006)Norway spruce suffers from serious root and butt rot problems from sea level up to the timber line in Norway. In this paper the most common fungi causing white rot is presented with special notes on gross characteristics ...