植株大小、枝龄和环境共同驱动红松枝性状的变异

于青含, 金光泽, 刘志理

Plant size, branch age and environment factors co-drive variations of branch traits of Pinus koraiensis

YU Qing-Han, JIN Guang-Ze, LIU Zhi-Li

表1 红松胸径(DBH)或树高与枝性状回归分析的赤池信息量准则(AIC)值

Table 1 Akaike information criterion (AIC) values in the regressions of diameter at breast height (DBH) or tree height against each branch traits of Pinus koraiensis

性状 Trait DBH (cm) 树高 Tree height (m) 木质密度 WD (g·cm-3) -1 025 -1 022 枝氮含量 WN (mg·g-1) 1 282 1 272 木质部面积占比 RXA -327 -325 韧皮部面积占比 RPHA -1 090 -1 086 髓面积占比 RPA -1 364 -1 362 树脂道总面积占比 RRC -1 129 -1 142