芥菜型多室与二室油菜花芽分化过程的比较分析

李新,肖麓,李麟芳,杜德志

Comparative analysis on flower bud differentiation of multilocular and bilocular traits in Brassica juncea

Xin LI,Lu XIAO,Lin-Fang LI,De-Zhi DU

图3 多室与二室花芽分化比较 图a~b: 二室茎顶端分生组织; 图c: 二室花顶端分生组织; 图d~e: 多室茎顶端分生组织; 图f: 多室花顶端分生组织; 图g: 二室心皮分化(C1, C2); 图h: 二室子房腔(lc); 图i: 二室籽粒着生(O); 图j: 多室心皮分化(C1~C4); 图k: 多室子房腔(lc); 图l: 多室籽粒着生(O); 图m~n: 二室角果内部结构; 图o: 二室柱头; 图p~q: 多室角果内籽粒排列结构; 图r: 多室柱头; P: 花瓣原基; St: 雄蕊原基; C: 心皮; lc: 心室; O: 胚珠; M: 中间区域; L: 横向区域。

Fig. 3 Comparison of flower bud differentiation between bilocular B. juncea and multilocular B. juncea Figs. a-b: the shoot apical meristem of the bilocular rapeseed; Fig. c: the flower meristem of the bilocular rapeseed; Figs. d-e: the shoot apical meristem of the multilocular rapeseed ; Fig. f: the Flower meristem of multilocular rapeseed; Fig. g: the stage of carpel differentiation of the bilocular rapeseed (C1, C2); Fig. h: the ovary formation of the bilocular rapeseed ; Fig. i: seed arrangement structure of the bilocular rapeseed (O); Fig. j: the stage of carpel differentiation of the multilocular rapeseed (C1-C4); Fig. k: the ovary formation of the multilocular rapeseed; Fig. l: seed arrangement structure of the multilocular rapeseed (O); Figs. m-n: internal structure of the bilocular rapeseed; Fig. o: the stigma of the bilocular rapeseed; Figs. p-q: internal structure of the multilocular rapeseed; Fig. r: the stigma of the multilocular rapeseed; P: petal primordia; St: stamen primordia; C: carpel; lc: locule; O: ovule; M: medial region; L: lateral region.