摘要
调查研究江西省中北部6个毛竹林(Ⅲ度竹)的胸径、全株杆鲜重、全株枝叶鲜重、杆长、全杆节数、枝下节数、枝盘数、枝下高、叶长和叶宽、叶片长宽比、胸径处竹壁厚度、竹腔径、壁腔比、竹材含水率等表型特征。运用SAS8.1软件进行多元线性回归分析和偏相关分析,研究表明:全株杆鲜重、全株枝叶鲜重和胸径处竹壁厚呈现随经度变化的地理模式,其它表型特征随经度的变化不明显;所调查的表型特征均没有表现随纬度和海拔的变化而变化的地理变异模式。
Six natural populations of Phyllostachys edulis that under 5 year old stand in the central-northern Jiangxi Province were selected to study the phenotypic charactersitics,such as DBH,culm fresh weight,branch and leave fresh weight,culm length,node number of culm,node number of clear bole,node number of above bole,bole height,the length and width of leave,the ratio between of the length and width of the leave,diameter at chest height wall thickness,diameter of bamboo cavity,the ratio between diameter of bamboo cavity and thickness of bamboo culm,moisture content of bamboo timber.The multiple linear regression and partial correlation were analyzed by SAS 8.1 software.The results indicated that culm fresh weight,branch and leave fresh weight,tree diameter at chest height place wall thickness present the geography pattern which changes along with longitude,other phenotypic charactersitics have less effected by longitude;that all surveyed charactersitics have not present the geography pattern which changes along with latitude and altitude.
出处
《江西林业科技》
2010年第2期1-3,6,共4页
Jiangxi Forestry Science and Technology
关键词
毛竹
表型特征
地理变异
相关性
回归分析
Phyllostachys edulis
Phenotypic feature
Geographic variation
Relativity
Regression analysis
