Metla Research Programmes

Forest tree breeding (JAL)

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Duration: 2000 - 2001   

Results

The results of forest tree breeding are exploited through artificial regeneration. The proportion of planting and seeding out of total regeneration during the past few years has been about 60%. It has been estimated that, during the 1990's, the proportion of pine out of the total artificial reforestation area in Finland was 62%, for spruce 29% and for birch 8%. During the past few years the proportion of pine has decreased and that of spruce and birch correspondingly increased. The distribution of the artificial regeneration area by tree species gives a rough estimate of the importance of the individual tree species. However, the potential of different tree species varies. Birch is an ideal tree species for the breeder. Rapid progress can be made because the generation time of birch can easily be considerably shortened. In contrast, the breeding of conifers is a slow and long-term investment; however, the relatively modest genetic gain is offset by the fact that genetically improved material can be implemented over extensive areas.

Director: Mikola, Jouni

Researchers


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Updated 07.11.2015
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