搜索结果: 1-2 共查到“知识库 plus trees”相关记录2条 . 查询时间(0.093 秒)
Genetic Variation and Genotype-environment Interaction in Annual Ring Structure in Progeny Test of Plus Trees of Sakhalin Fir (Abies sachalinensis)
annual ring structure genotype-environment interaction heritability x-ray densitometry
2009/8/24
For improving the wood properties of Sakhalin fir (Abies sachalinensis) variation in annual ring structure and genetic variation in different environments were examined by X-ray densitometry. The spec...
Longitudinal Change of Dynamic Modulus of Elasticity and Quality Evaluation by a Non-destructive Method in Todomatsu(Abies sachalinensis)Plus Trees
todomatsu stress wave velocity standing tree dynamic modulus of elasticity
2009/3/6
Longitudinal changes of dynamic modulus of elasticity values (Efr) of logs for todomatsu (Abies sachalinensis) were investigated to clarify the best vertical region of the stem (height from ground lev...