Radial variation studies on wood properties of Populus deltoides parents and their hybrids

The radial variation and the genetic of wood properties between parents offspring Populus deltoides were studied in this work. chemical composition, density, anatomical characteristics cl. ‘Danhong’ its exhibited phenomenon transgressive segregation. compositions decreased several attributes (benzene alcohol extract, hemicelluloses, lignin) with increase cambial age. Moreover, fibre length, width, ratio length to wall thickness lumen increased In addition, densities There significant differences among hybrids. These results indicated that could be considered as pulp material ‘Nanyang’ building material. According rule each character, rotation cutting period can selected years 7 or 8.