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| 題 名 | 不同氮源濃度對毛柿體胚發生及後期發育之影響=Effects of Nitrogen Sources on Embryogenesis and Embryo Growth of Diospyros Discolor |
|---|---|
| 作 者 | 吳宗賢; 王亞男; | 書刊名 | 中華林學季刊 |
| 卷 期 | 36:2=131 2003.06[民92.06] |
| 頁 次 | 頁139-147 |
| 分類號 | 436.253 |
| 關鍵詞 | 毛柿; 體胚發生; 氮源; Diospyros discolor; Somatic embryogenesis; Nitrogen sources; |
| 語 文 | 中文(Chinese) |
| 中文摘要 | 毛柿成熟胚之胚軸培養於添加0.1ppm 2,4-D及0.1ppm TDZ且修飾氮源之MS培養基,以KNO□濃度為28.2 mM及降低NH□NO□濃度為10.3mM,NO□/NH□比值為3.7,可得較佳球型期體胚誘發效果;發育至球型階段之體胚繼代培養於不含植物生長調節劑之培養基,MS培養基氮濃度減半具促進體胚發芽之作用,維持原氮度,體胚可發芽、發根及胚軸伸長,提高氮度至原MS培養基之3/2倍,可促進體胚胚軸伸長。 |
| 英文摘要 | Hypocotyls of mature embryos of Diospyros discolor were cultured on modified nitrogen sources of MS medium supplemented with 0.1 ppm of 2,4-D and TDZ. High frequency of somatic embryogenesis could be obtained while explants cultured on modify MS medium with 28.2 mM KNO□ and 10.3 mM NH□NO□,3.7 NO□/NH□. Globular embryos were transferred on hormone-free modify MS medium for further development. In 1/2 nitrogen strength of MS medium, germination of somatic embryos occurred. Germination, rooting and elongation of somatic embryos were observed in normal nitrogen strength MS medium. IN 3/2 nitrogen strength MS medium, somatic embryos could be elongated. |
本系統中英文摘要資訊取自各篇刊載內容。