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Effects of Forest Management Using Pruning and Thinning on Wood Quality and Strength Properties of Sugi Planted in Shimane Prefecture II.Relationship between forest management, and visual grading and bending properties of boxed-heart square timbers
planted sugi trees forest management visual grading bending properties
2009/11/23
The aim of this study was to clarify the effects of forest management such as pruning and thinning on the visual grading and bending properties of boxed-heart square timbers of sugi (Cryptomeria japon...
Relationship between Sugi Butt-Rot Disease and Norlignans in the Heartwood
sugi wood clone variety butt-rot disease norlignan sequirin-C
2009/11/23
A butt-rot disease of sugi (Cryptmeria japonica D. Don) wood has recently increased in reforested areas, but its damage level seems to depend on the clone variety. Aya sugi is susceptible to the butt-...
The Relationship between the Maturation Age in the Size of Tracheary Elements and the Boundary Age between the Stages of Diameter Growth in Planted Poplars
juvenile wood ring width radial variation fibers vessels
2009/11/23
In hardwoods, demarcation between juvenile wood and mature wood has often been made based on the radial variation of 3 parameters: wood fiber length (WFL), vessel element length (VEL) and vessel lumen...