Poplars in forestry and land use

animal nuisible animales nocivos biologia biologie biology bois chemicophysical properties ciencias forestales control de enfermedades cultural methods disease control economic situation enfermedades fungosas enfermedades parasitarias ensayo felling fitomejoramiento forest stands foresterie forestry fungal diseases genetica genetics geographical distribution insecte nuisible institution de recherche land use logging madera maladie fongique mechanical properties mode de culture multiplication des plantes noxious animals parasitose parasitoses pepiniere pest insects plant breeding plant diseases plant nurseries plant propagation populus research institutions selection species taxonomia taxonomie taxonomy testage testing utilisation des terres viveros wood wood defects