Defect of wood

Also known as defects, It can be divided into three main categories: ① Natural defects. Such as knots, twill and due to growth stress or natural damage Defect of wood Defect of wood Flaw. The branch part contained in the trunk or main branch of wood is called the wood section, which can be divided into dead section and living section according to

Construction of wood

Macroscopically, wood consists of bark, xylem and pulp core. The whole tissue surrounding the secondary xylem of the trunk, branch, or root of wood; Cambium: Located between the bark and xylem, the cambium thickens the diameter of the wood due to its meridional function; Secondary xylem: located between cambium and pulp center, derived from the div

Wood

Wood is the lignified tissue formed by plants capable of secondary growth, such as trees and shrubs. After the primary growth of these plants, the vascular cambium in the rhizomes becomes active, developing bast outwards and wood inwards. Wood is a general term for plant tissue that develops inward from the vascular cambium, including xylem and thi