湖南会同5个亚热带树种的细根构型及功能特征分析

刘佳, 项文化, 徐晓, 陈瑞, 田大伦, 彭长辉, 方晰

Analysis of architecture and functions of fine roots of five subtropical tree species in Huitong, Hunan Province, China

LIU Jia, XIANG Wen-Hua, XU Xiao, CHEN Rui, TIAN Da-Lun, PENG Chang-Hui, FANG Xi

表1 根序和树种对细根比根长, 比表面积, 直径, C、N含量及C/N比影响的方差分析

Table 1 Effects of tree species and fine root branch order on specific root length (SRL), specific root surface area (SRA), fine root diameter, and C, N content, as well as C/N ratio in fine root

变异来源 Source of variation 比根长 SRL 比表面积SRA 细根直径 Fine root diameter C含量 C content N含量 N content C/N比 C/N ratio 树种×根序 Tree species × Root order 0.007 8** 0.074 7 0.007 5** 0.027 2* < 0.000 1** < 0.000 1** 树种 Tree species 0.050 1 0.056 2 0.000 2** < 0.000 1** 0.023 4** < 0.000 1** 根序 Root order < 0.000 1* < 0.000 1** < 0.000 1** < 0.000 1** < 0.000 1** < 0.000 1**