Selected properties variability of wood on trunk height of Norway spruce (Picea abies (L.) H.Karst) of Istebna Bukowiec origin from the provenance surface in Głuchów -pilot research (original) (raw)

Selected properties variability of wood on trunk height of Norway spruce (Picea abies (L.) H. Karst) of Istebna Bukowiec origin of the provenance surface in Głuchów-pilot research. Spruce is one of the most important forest-forming species, forming a large number of populations differing in quality of the being created wood. For research, a single, representative trunk of a 40-year-old tree of Istebna Bukowiec provenance, was obtained from the Gołuchów research field. The test results oscillated around the averages for the species but were clearly higher than those obtained in earlier studies of the same origin, from the same experimental surface, but from a younger stand. The tested samples were characterized by high variability of flattening and eccentricity, medium variability of annual ring width and the share of late wood and high homogeneity of wood density.