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甘蔗雌雄蕊的解剖学研究
罗迪光; 陈贵珍; 周百嘉;   
广西农学院植物学教研室
摘要:
甘蔗雄蕊花药的壁由四层细胞构成,药室内壁在花药成熟时才发育。花粉母细胞减数分裂属连续型,四分体正常发育为小孢子,但当开花时,只有少数进一步发育为成熟的花粉粒。甘蔗雌蕊柱头是分枝的,每一柱头毛是由数个细胞质浓密的细胞,呈不规则的纵列而组成。倒生胚珠一个,着生于子房室的内侧;内、外珠被均由两层细胞构成,外珠被上侧未能生长到珠孔,内珠被的内层细胞在胚珠发育中不断增大体积。石蜡制片是以樟油为透明剂的。
关键词:  甘蔗  禾本科  花药  子房  胚珠  
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