Xylem Of Spruce Research Articles

Histometrische Untersuchungen am Holz einer rauchgeschädigten Fichte

Histometrical investigations on the xylem of spruce after SO2 pollution. The influence of SO2 pollution on xylem differention in spruce was investigated. Besides such quantitative changes as reduced annual growth, qualitative changes also occur. With pollution, the percentage of latewood increases. Tracheids are shorter, possess more pits and are more frequent per unit area.