Wood Properties of Fraxinus mandshurica Damaged by Phassus excrenscens
Manchurian ash (Fraxinus mandshurica) juvenile wood was used to study the damage of Phassus excrescens to the wood properties. Manchurian ash wood cut from the same site was divided into four groups: healthy juvenile wood, cured wood by chemical control after damaged by P. excrescens for one year, wood without chemical control after damaged for one year, and wood damaged for more than three years. The wood properties of damaged parts of wood were analysed by anatomy and physics experiments. Result showed that wood density, hardness, cell wall percentage, growth ring width, and fiber length are all influenced by P. excrenscens to various extents. Density of cured wood by chemical control restores, after damaged for one year, growth ring width recovers after three years, while the influences of P. excrescens on hardness and fiber length of wood are still obvious after three years.
NETL
NSTL
万方数据
维普
