Microsporogenesis and Male Gametophyte Development of Euphorbar pulcherrima  

作　　者：Wang Zhao Wang Wei-wei Li Chun-miao Lv Xue Wang Li-juan 

机构地区：[1]College of Life Sciences,Northeast Agricultural University,Harbin 150030,China

出　　处：《Journal of Northeast Agricultural University(English Edition)》2012年第1期36-41,共6页东北农业大学学报（英文版）

摘　　要：The microsporogenesis and male gametophyte development of Euphorbia pulcherrima were studied with paraffin section method. The results showed that the anther of Euphorbia pulcherrima had four chambers. The development of anther wall was dicotyledonous type; its wall consisted of epidermis, endothecium, middle layer and tapetum. The mature male gametophyte development experienced seven major stages as the followings： archesporial cells, aporgenous cells, microspore mother cells, tetrads of microspores （tetrahedral）, uninucleate microspores, 2-uncleate pollens and 2-celled pollen stage. The anther wall varied with the pollen development： the epidermis of anther ruptures at the anther mature stage; the middle layer disappears at tetrad stage; the endothelium became fibrous layer at the anther mature stage; the tapetum （glandular） was the most development at the microspore mother cells stage and disappeared at anther mature stage. The abnormal anther development was observed simultaneously.The microsporogenesis and male gametophyte development of Euphorbia pulcherrima were studied with paraffin section method. The results showed that the anther of Euphorbia pulcherrima had four chambers. The development of anther wall was dicotyledonous type; its wall consisted of epidermis, endothecium, middle layer and tapetum. The mature male gametophyte development experienced seven major stages as the followings： archesporial cells, aporgenous cells, microspore mother cells, tetrads of microspores （tetrahedral）, uninucleate microspores, 2-uncleate pollens and 2-celled pollen stage. The anther wall varied with the pollen development： the epidermis of anther ruptures at the anther mature stage; the middle layer disappears at tetrad stage; the endothelium became fibrous layer at the anther mature stage; the tapetum （glandular） was the most development at the microspore mother cells stage and disappeared at anther mature stage. The abnormal anther development was observed simultaneously.

关 键 词：Euphorbia pulcherrima MICROSPOROGENESIS male gametophyte development 

分 类 号：S685.23[农业科学—观赏园艺]