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題 名 | Microsporogenesis and the Development of Male Gametophyte in Two Species of Diospyros L.=兩種柿屬之小孢子囊及雄配子體的發育 |
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作 者 | Anjaneyulu, CH.; Lakshminarayana, K.; Anjaneyulu, CH.; Lakshminarayana, K.; | 書刊名 | 國立臺灣大學理學院植物學系研究報告 |
卷 期 | 34:2 1989.09[民78.09] |
頁 次 | 頁187-191 |
分類號 | 373.68 |
關鍵詞 | 柿屬; 綠材柿; 美國柿; 小孢子囊; 雄配子體; 發育; Microsporogenesis; Male Gametophyte; Diospyros L.; |
語 文 | 英文(English) |
中文摘要 | 本文研究柿屬之綠材柿(Diospyros chloroxylon Roxb.)及美國柿的小孢子囊及雄配子體的發育。花藥壁的發育屬雙子植物行,成熟時含有表皮組織,纖維狀外層組織(2~3層)及一單層之分泌型營養層,具單或雙核。結締營養層亦有分化。花粉母細胞之分裂為同調並產生四同體之四分孢子細胞質分裂為溝裂。花粉表面平滑,具三溝孔,由花藥釋出時為雙核,很少有三核。在美國柿常見有花粉退化的情形。 |
英文摘要 | Development of the microsporangium, and the male gametophyte were studied in Diospyros chloroxylon Roxb. And D. virgiana L. The anther wall development is of the Kicotyledonous type and at maturity it consists of the epidermis, fibrous endothecium, 2-3 wall layers and a secretory tapetum which is niseriate with uni- or binucleate cells. Connective tapetum is also differentiated. Pollen mother cells civide simultaneously and produce tetrahedral tetrads. Cytokinesis is by furrowing. Pollen grains are smooth, tricolporate and two celled at the time of liveration. Rarely 3-nucleate pollen grains are seen. Pollen degenerations are common in D. virginiana. |
本系統中英文摘要資訊取自各篇刊載內容。