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 bamb...