Selection of species and clones for biomass willow forestry in Finland

Willow (Salix sp.) species and clones have been selected in Finland originally for basket willow husbandry, since 1910s. Screening for biomass willows started in 1973 by the Foundation for Forest Tree Breeding. Biomass willow research for energy started in 1978. The objective of the study was, based on theoretical background, on historical record of Finnish …