| 摘要: |
| 以野生三叶木通为试材,研究了花芽结构、花芽着生部位和形态分化。结果表明:三叶木通的花芽是混合芽,主要着生于短缩枝的顶芽和攀援茎2至10节的叶腋间。顶花芽形态分化较早,也比较集中,腋花芽分化迟,分化期也长。用扫描电镜观察表明,三叶木通花芽分化可分为未分化期、花蕾分化期、花被分化期、雄蕊分化期和雌蕊分化期等5个时期。 |
| 关键词: 木通科,花芽分化,野生果树,引种/三叶木通 |
| DOI： |
| 分类号: |
| 基金项目:国家自然科学基金资助项目 |
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| Studies on the Flower Buds of Three-leaf Akebia(Akebia trifoliata Koidz) |
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Li Jinguang Li Jiarui
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| Abstract: |
| Structures, characteristics and morphological differentiations of Hower buds in three-leaf akebia were studied.The results of which indicated that the flower buds were the mixed ones that grew mainly in terminal buds ot spurs and certain lateral buds from the second to the tenth nodes on twining branches. Morphological differentiation of terminal flower buds was earlier and more concentrated,while the differentiation of the lateral buds was later with a long differentiation perido.Scanning electron microscope was used to observe flower bud differentiation, whose results showed that the morphological differentiation of flower buds can be classified into such five stages as non-formation of flower primordia, flower-bud development, perianth, pistil and stamen primordia. |
| Key words: flower bud differentiation, wild fruit tree, induction of varieties, Akebia trifoliata Koidz |
