Notes on the history and organization of forest genetics and forest tree breeding in Sweden

arbre arbre brise-vent arbre forestier arbre pour bois de construction breeding conifere conifers crops cultivos economic plants escandinavia europa europe fitomejoramiento forest trees genetica genetics gimnospermas gymnosperme gymnosperms picea picea abies pinaceae pinus pinus sylvestris plant breeding plantas plantas protectoras plante plante de culture plante de protection plante pour construction plants protective plants scandinavia scandinavie structural crops timber trees trees windbreak trees