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当前位置: 首页 > 文章 > 彩叶草(Coleus blumei Benth.)小孢子发生及雄配子体发育 东北农业大学学报 2010,41 (12) 54-58
Position: Home > Articles > Microsporogenesis and male gametophyte development in Coleus blumei Benth Journal of Northeast Agricultural University 2010,41 (12) 54-58

彩叶草(Coleus blumei Benth.)小孢子发生及雄配子体发育

作  者：
魏琪;李凤兰;刘荣梅;胡林双;董学志;高云飞;张抒;郭怡璠;胡宝忠
单  位：
黑龙江省农业科学院;东北农业大学生命科学学院;东北林业大学博士后流动站
关键词：
彩叶草;小孢子;雄配子体;形态学观察
摘  要：
采用石蜡制片技术对彩叶草的小孢子发生和雄配子体发育进行了形态解剖学观察。结果表明,彩叶草的花药具有四个花粉囊,花粉囊内有岛状物;花粉壁的发育属于双子叶植物型,腺质绒毡层。小孢子母细胞经减数分裂形成正四面体形的四分体,胞质分裂为同时型;成熟花粉为3-细胞型。文章为彩叶草的栽培及育种提供了科学依据。
译  名：
Microsporogenesis and male gametophyte development in Coleus blumei Benth
作  者：
WEI Qi1,2,3,LI Fenglan1,2,4,LIU Rongmei1,2,4,HU Linshuang3,DONG Xuezhi3,GAO Yunfei3,ZHANG Shu3,GUO Yifan3,HU Baozhong4(1.Postdoctoral Research Station,Northeast Forestry University,Harbin 150086,China;2.Postdoctoral Research Center,Heilongjiang Academy of Agricultural Sciences,Harbin 150086,China;3.Heilongjiang Academy of Argricultural Sciences,Harbin 150086,China;4.College of Life Sciences,Northeast Agricultural University,Harbin 150030,China)
关键词：
Coleus blumei Benth.;sporule;male gametophyte;morphology observation
摘  要：
Coleus blumei Benth.is a kind of ornamental plants.In this paper,it is the morphological observation on microsporogenesis and male gametophyte development in Coleus blumei Benth.by means of traditional paraffin wax sections.The results showed that the mature anther had four microsporanges,there was the island-shape structure in the microsporange,the development of anther wall was dicotyledon type,it was the glandular tapetum,the microspore mother cells undergo meiosis,each producing tetrad of microspores,and its cytokinesis division was simultaneous type.The tetrads of microspores belong to the tetrahedron type.Its mature pollens were 3-celled.The results could provide the rationale for the study on cultivation and breeding of Coleus blumei Benth.

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