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題 名 | 異葉銀合歡之組織培養 |
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作 者 | 潘富俊; 張淑華; | 書刊名 | 林業試驗所研究報告季刊 |
卷 期 | 2:3 1987.09[民76.09] |
頁 次 | 頁217-225 |
分類號 | 436.253 |
關鍵詞 | 異葉銀合歡; 組織培養; |
語 文 | 中文(Chinese) |
中文摘要 | 取四倍體及三倍體異葉銀合歡(K156及K409 X K156)無菌播種曲的下 胚軸,子葉及節作為試驗材料,MS培養基作為基本培養基。由實驗結果顯示, 在下胚軸及子葉的培養之中,不論四倍體或三倍體,誘導癒傷組織能力,以2ppm 的2,4-D誘導效果最佳。BA的添加,反而會抑制癒傷組織的產生,而在NAA 0.1ppm+BA 1ppm時,可促進三倍體異葉銀合歡(K409 X K156)子葉,不經由癒傷 組織而直接形成多芽體。2ppm的BA最利於四倍體異葉銀合歡(K156)癒傷組織 不定芽的誘導;而三倍體異葉銀合歡(K409 X K156 ),則以BA 3ppm最有效。 NAA的參與,可促進癒傷組織的生長,但抑制器官發生。節段之培養,在BA 單獨處理及NAA之參與,都會有癒傷組織的形成,而以的NAA的參與,對不 定芽的誘導較佳。最適合之組合,在四倍體及三倍體異葉銀合歡均為NAA 0.01ppm+BA 0.5∼1ppm。將形成之莖芽,切下移入含0∼3ppm的NAA培養基, 都可促進培植體發根,但最適合發根的生長濃度,四倍體及三倍體異葉銀合歡各 不相同,NAA濃度分別為2及0.5ppm。 |
英文摘要 | Callus was induced and plantlers were regenerated by culturing hypocotyls and cotyledons of Leucaena diversifolia, both tetraploid (K156) and tripolid (K409 X K156), on Murashige and Skoog's (MS) media containing 2,4-dichlorophenoxyacetic acid (2,4-D) or -naphthaleneacetic acid (NAA) with 6-benzyladenine (BA). The callus formation was obtained in every explant on MS media with 2 ppm 2,4-D, but inhibited when with BA. Advventitous buds from the cotyledons of triploid (K409 X K156 ) were induced on MS media with 0.1 ppm NAA+1 ppm BA. Organogenesis via calli was also induced with 2 ppm BA for tetraploid (K156) and 3 ppm BA for triploid (K409 X K156). The best combination of BA+NAA concentration for organogenesis from callus of nodes was 0.5-1 ppm BA and 0.1 ppm NAA for both tetroploid and triploid Leucaena diversifolia. Media weth 0-3 ppm NAA were observed to promote rooting of shoot cuttings. Tetraploids (K156) and triploids (K409 X 156) rooted best on the media with 2 ppm and 0.5 ppm, respectively. |
本系統中英文摘要資訊取自各篇刊載內容。