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大蒜花序中不同繁殖器官的形态发生

MORPHOGENESIS OF VARIOUS PROPAGATIVE ORGANS IN THE INFLOURESCENCE OF GARLIC (Allium sativum L.)

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【作者】 孟振农赵启韬任群

【Author】 Meng Zhennong Chen Yongzhe Zhao Qitao Ren Qun  (Dept.of Biol., Shandong Univ.,Jinan))

【机构】 山东大学生物系

【摘要】 利用扫描电镜对大蒜花序上的两种繁殖器官——花和珠芽,及苞片等器官的发生顺序和发育规律进行了观察.按照器官发生规律,可将其个体发育过程划分为营养生长期、成花转化期和花序发育期.在花序发育期中花可以发育成正常形态.珠芽在花发育之后产生,与苞片有密切关系.讨论了珠芽的来源和本质,以及大蒜个体发育和系统发育的特殊性

【Abstract】   In the inflourescence of garlic genetic sequences and developmental regulations of organs,including two kinds of propagative organs (flowers and bulbils) and bracts etc. were carefully observed with scanning electron microscope.According to the regulation of organs morphogenesis,the ontogeny of garlic could be divided three periods:the vegetable development,the transfor to flower and the development of inflourescence.In the last period,bulbils genesis after flowers became adult shape,and they have relationship closely with bracts.The origin and essences of bulbil,the particularity of ontogeny and phylogeny of garlic were disscused.

【关键词】 大蒜花序珠芽
【Key words】 garlicinflourescenceflowerbulbil
【基金】 国家自然科学基金
  • 【文献出处】 山东大学学报(自然科学版) ,Journal of Shandong University , 编辑部邮箱 ,1997年03期
  • 【分类号】S633.4
  • 【被引频次】6
  • 【下载频次】104
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