少穗竹种质秆形结构建模研究  

Culm Form Modeling for Oligostachyum Sulcatum

作　　者：陈红[1] 冯云[1] 覃道春[1] 岳祥华[1] 周建梅[1] 廉超[1] 徐振国[2,1] 孙立方[1] 郭起荣[1] 

机构地区：[1]国际竹藤中心国家林业局竹藤科学与技术重点开放实验室,北京朝阳100102 [2]广西林业科学研究院,广西南宁530001

出　　处：《世界竹藤通讯》2012年第5期19-22,共4页World Bamboo and Rattan

基　　金：国际竹藤中心基本业务费(1632008004)

摘　　要：通过对少穗竹的胸径、竹高、枝下高、节间长等秆形因子进行了调查分析,结果表明:立竹胸径与竹高具有显著相关性,最佳拟合方程为H=0.1373D+2.1639(R=0.976),H=0.4401D0.7726(R=0.979);立竹胸径与枝下高相关性系数不高;尖削度最佳拟合方程为Y=0.0011X3-0.0246X2+0.0399X+1.0266(R=0.997);节间长随高度的增加先增大,后减小,最大节间长出现在第9～11节处,节长与节间的最佳拟合方程为Y=0.006X3-0.3997X2+6.7965X+9.1536(R=0.984)。The diameters including height at breast （DBH）, culm height, height under branch and internode length of Oligostachyum Sulcatum were surveyed and analyzed, and the results showed that there was a significant correlation between diameter and culm height, and the optimum fitting equations were H=0.1373D＋2.1639 （R=0.976） and H=0.4401D^0.7726 （R=0.979）; the height under branch was insignificantly correlated to diameter; the optimum fitting equation of taperingness was Y=0.0011X^3- 0.0246X^2＋0.0399X＋1.0266 （R-0.997）; the internode length first increased and then decreased, with the maximum appearing in 9 to 11 section, and the optimum fitting equation was Y=0.006X^3- 0.3997X2＋6.7965X＋9.1536 （R=0.984）.

关 键 词：少穗竹 秆形结构 节间长 尖削度 建模 

分 类 号：S795[农业科学—林木遗传育种]