枫香树种群种子与果实表型性状变异分析

何庆海,杨少宗,李因刚,沈鑫,柳新红

Phenotypic variations in seed and fruit traits of Liquidambar formosana populations

Qing-Hai HE,Shao-Zong YANG,Yin-Gang LI,Xin SHEN,Xin-Hong LIU

表6 地理气候因子对种子与果实性状影响的逐步回归分析

Table 6 Best model for the effects of geographic and climatic factors on seed and fruit traits evaluated by stepwise regressions

种子与果实 性状 Seed and fruit trait 回归方程 Regression equations R2 F p 容忍度 Tolerance 果径 FD (Y1) Y1 = -0.101 X1 + 25.022 0.135 3 5.322 0.027 1 种子宽 SW (Y2) Y2 = 0.00006 X2 + 1.8379 0.111 7 4.274 0.046 1 种翅宽 SWW (Y3) Y3 = 0.0123 X3 + 1.7559 0.129 5 5.058 0.031 1 种子长宽比 SWR (Y4) Y4 = -0.0002 X2 + 4.1477 0.155 8 6.275 0.017 1 种翅长宽比 SWWR (Y5) Y5 = 0.0203 X1 + 1.1182 0.118 6 4.282 0.046 1