群体表型性状研究揭示环境与遗传因素对霍山石斛表型及物种分类的影响

焦振彬, 罗毅波

Effects of environmental and genetic factors on phenotypic traits and species classification of Dendrobium huoshanense

Zhenbin Jiao, Yibo Luo

图2 不同代际条件下霍山石斛群体假鳞茎和花部表型性状主成分分析。(A)?(B)林间环境下, F1代和F2代假鳞茎表型性状主成分(PC1 vs. PC2)和(PC1 vs. PC3)散点图; (C)?(D)温室环境下, F1代和F2代假鳞茎表型性状主成分(PC1 vs. PC2)和(PC1 vs. PC3)散点图; (E)?(F)林间环境下, F1代和F2代花部表型性状主成分(PC1 vs. PC2)和(PC1 vs. PC3)散点图; (G)?(H)温室环境下, F1代和F2代花部表型性状主成分(PC1 vs. PC2)和(PC1 vs. PC3)散点图。

Fig. 2 Principal component analysis of pseudobulbs and flowers of Dendrobium huoshanense in different generations. A?B, PCA of pseudobulbs inwild-type (W-HUO), F1 (F1-HUO-F) and F2 generations (F2-HUO-F) under woodland; C?D, PCA of pseudobulbs in D. huoshanense in wild-type (W-HUO), F1 (F1-HUO-G) and F2 generations (F2-HUO-G) under greenhouse; E?F, PCA of flowers in F1 (F1-HUO-F) and F2 generations (F2-HUO-F) under woodland; G?H, PCA of flowers in F1 (F1-HUO-G) and F2 generations (F2-HUO-G) under greenhouse.