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烟草花蜜腺发育的解剖学研究
辛华;胡正海
1.山东莱阳农学院基础部!山东莱阳265200;2.西北大学植物研究所!陕西西安710069
摘要:
烟草的花蜜腺位于子房基部 ,围绕子房 ,属于子房蜜腺。蜜腺由分泌表皮和泌蜜组织组成 ,分泌表皮角质膜厚薄不匀 ,表皮上分布少量气孔器 ,气孔凹陷 ,孔下室不明显 ,泌蜜组织细胞多层。蜜腺邻接子房壁维管束 ,本身没有维管组织。蜜腺由子房基部的外壁表皮及其相邻的内侧细胞经分裂、生长、分化而来 ,在发育过程中 ,细胞中的液泡和淀粉粒都呈现一定的消长规律。原蜜汁由子房壁维管束提供 ,经过泌蜜组织细胞加工后 ,蜜汁通过气孔和薄的角质膜处泌出。
关键词:  烟草    花蜜腺    发育    解剖
DOI:
分类号:
Fund project:山东省教委资助项目 ( J980 2 )
Abstract:
Key words:  
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