CAJ | 학술논문

测定了建立在广西22个4年生桉树无性系的Pilodyn值、木材基本密度、边材木材密度、心材木材密度和弹性模量.结果表明:Pilodyn值为9.44-15.41mm、木材密度为0.3514-0.4913g·cm~(-3)、弹性模量在3.94 GPa到7.53GPa之间;Pilodyn值在不同处理、不同方向及不同参试无性系间均存在极显著差异.Pilodyn值与各材性指标间的相关系数在-0.433到-0.755之间,呈显著到极显著负相关.研究表明,Pilodyn方法可以预测桉树活立木的木材密度和弹性模量.
측정료건립재엄서22개4년생안수무성계적Pilodyn치、목재기본밀도、변재목재밀도、심재목재밀도화탄성모량.결과표명:Pilodyn치위9.44-15.41mm、목재밀도위0.3514-0.4913g·cm~(-3)、탄성모량재3.94 GPa도7.53GPa지간;Pilodyn치재불동처리、불동방향급불동삼시무성계간균존재겁현저차이.Pilodyn치여각재성지표간적상관계수재-0.433도-0.755지간,정현저도겁현저부상관.연구표명,Pilodyn방법가이예측안수활립목적목재밀도화탄성모량.
The effectiveness of pilodyn was tested in evaluating wood basic density, outer wood density, heartwood density, and modulus of elasticity (MoE) at 22 four-year-old eucalyptus clones in Guangxi, China. Results indicated that the mean value ranged from 9.44 to 15.41 mm for Pilodyn penetration, 0.3514 to 0.4913 g·cm~(-3) for wood basic density, and 3.94 to 7.53 Giga Pascal (Gpa) for MoE, respectively. There were significant differences (1% level) in pilodyn penetration between different treatments, different directions and among the clones. Generally strongly negative correlations were found between pilodyn penetration and wood properties, and the coefficients ranged from -0.433 to -0.755. Our results, together with other studies, suggest that the use of pilodyn for assessing wood density and MoE was confirmed as a possibility.