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題 名 | 大豆未熟胚培養之研究(7):未熟胚培養之器官形成及體胚形成上組織學的觀察 |
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作 者 | 全中和; 葉茂生; | 書刊名 | 中華農學會報 |
卷 期 | 166 1994.06[民83.06] |
頁 次 | 頁6-15 |
分類號 | 434.213 |
關鍵詞 | 大豆; 未熟胚培養; 體胚形成; 器官形成; 分化; 組織學; Soybean; Immature embryo culture; Embryogenesis; Organogenesis; Differentiation; Histology; |
語 文 | 中文(Chinese) |
中文摘要 | 利用栽培種大豆高雄十號(KS10)未熟胚軸,接種於1/2MSB為基礎培養基添加0.6mg/1BA (6-benzylaminopurine)之培養基,所誘導出的芽體、癒合組織,以及未熟子葉接種於MSB為基礎培養基,添加2.5mg/1 2,4-D (2,4-dichlorophenoxyacetic acid)之培養基所誘導出的胚體,以石蠟切片觀察培養過程中,組織及器官之形態形成,結果如下: 1.多芽之形成係由分生帶細胞分裂成薄壁細胞,分化產生葉原體及芽體,再形成維管束。 2.由培植體產生之粗糙型癒合組織,可形成巢狀或繩索狀排列結構的管細胞,隨後分化成根。 3.由有體胚形成能力之細胞分裂經源球形期、心臟形期、魚雷形期及雙子葉期,而形成成熟體胚。 4.由培植體形成之單片子葉形體胚,屬不正常體胚;切片觀察可見單束維管束,此種體胚無法發芽。 |
英文摘要 | Immature embryo axes of soybean cultivar Kaoshing No. 10 were cultured in 1/2 MSB medium with 0.6 mg/1 BA for inducing organgenesis of shoots and calli. Immature cotyledon were also cultured in MSB medium with an addition of 2.5 mg/1 2, 4-D for inducing embryogenesis of somatic embryo. During the cultural processes, paraffin section method was used to study the histology of the organs and somatic embryos, which they produed. The results are giving in the following. 1. The multiple buds produced by organgenesis were the results of a series of differentiation events: primarily, the meristem cell divided into parenchyma, followed by the formation of primordium, and shoot. Finally, the vascular bundle was developed. 2. The rough-shaped callus induced from explants might form tracheal cells with a nest-like or strand-like structure and then differentiated into roots. 3. The embryogenesis started from the division of the cells with the ability to form somatic embryos, then and followed by four develop stages, they were globular, heart-shaped, torpedo-shaped and dicotyledon structure, finally, became mature embryos. 4. The explant could form abnormal somatic embryo with monocotyledon. This kind of somatic embryo were not capable of sprouting. |
本系統中英文摘要資訊取自各篇刊載內容。