Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/81515
標題: Morphological Differentiation of Flower Buds in Ponkan Trees
椪柑花芽分化形態上變化
作者: 江正享
Jeng-Sheang Jiang
范念慈
Nien-Tze Fan
關鍵字: Ponkan
花芽分化
Flower differentiation
椪柑
摘要: 椪柑花芽分化在本省中部地區11月上旬已開始。先在芽頂端分生組織細胞顏色加深並進行快速分裂,髓部細胞擴展呈空隙狀,芽體頂端增寬而厚呈圓頂狀,在進一步發展的情形下,中央柔軟細胞增多及擴大,在芽體周圍形成花器原體,並向頂端依次序逐漸發生,花萼首先形成,其後花瓣發生,隨後雄蕊及雌花發生,完成花芽分化。
Flower bud differentiation in Ponkan trees started in early November at Tichung area. There was an acceleration of cell division in the Ponkan bud-apex. Coupled with this was an extension of vacuolation and cell enlargement acropetally from the maturing pith region into the apex. The broadening and thickening of the floral apex indicated the first differentiation of the floral Parts. After further growth the propertional size of the central parenchymatous core increased and flower primordia were formed in acropetal sequence. The calyx was first to be formed. The petal originated next after the calyx, and was followed in turn by the stamens and pistil.
URI: http://hdl.handle.net/11455/81515
ISSN: 0255-5921
Appears in Collections:第18期
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