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題 名 | 植物生長調節劑與光照處理對延胡索癒合組織增生與小塊莖形成之影響=Effects of Plant Growth Regulator and Light Treatment on Callus Proliferation and In Vitro Mini-tuber Formation of Corydalis Yanhusuo |
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作 者 | 陳威臣; 蕭翌柱; 蔡新聲; 夏奇鈮; | 書刊名 | 臺灣農業研究 |
卷 期 | 56:1 2007.03[民96.03] |
頁 次 | 頁53-63 |
分類號 | 434.92 |
關鍵詞 | 延胡索; 藥用植物; 微體繁殖; 塞本隆; Yan-hu-suo; Medicinal plant; Callus; Micropropagation; Thidiazuron; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究藉由植物生長調節劑與光照處理促進重要中藥植物-延胡索(Corydalis yanhusuo W. T. Wang)癒合組織與小塊莖之大量增殖。試驗結果顯示,塊莖來源癒合組織培養於添加1 mg/L 奈乙酸(α-naphthaleneacetic acid, NAA)與1 mg/L塞苯隆(thidiazuron, TDZ)之MS(Murashige & Skoog 1962)基本培養基,於黑暗環境培養4週增重可達11倍。癒合組織於光照培養下之增生效率較暗培養差,但光照可促進小塊莖形成與體胚分化。癒合組織培養於含有0.5-2mg/L吲哚乙酸(indole-3-acetic acid, IAA)、吲哚丁酸(indole-3-butyric acid, IBA)或不含生長調節劑之MS基本培養基,於光照環境下小塊莖的形成率最佳,每0.2g癒合組織培養4週後小塊莖形成數在23-28個之間。綜合以上結果顯示,延胡索種苗大量繁殖可利用兩階段培養策略,先藉由NAA配合TDZ組合之處理促進癒合組織大量增生,而後再於光照培養條件下,以不含植物生長調節劑或低劑量(0.5 mg/L)之IBA誘導小塊莖種苗大量形成。 |
英文摘要 | A two-stage micropropagation system for Corydalis yanhusuo W. T. Wang, an important traditional Chinese medicinal plant, through callus proliferation followed by light treatment for tuber formation has been established in this study. The best callus proliferation was obtained under darkness on a Murashige and Skoog's (MS) basal medium supplemented with 1 mg/L α-naphthaleneacetic acid (NAA) in combination with 1 mg/L thidiazuron (TDZ). An 11-fold increasing of callus fresh weight was recorded after 4 weeks of culture. Although callus growth was inhibited in the same growth regulator treatments while cultured under the illumination, it was found that tuber formation increased along with some somatic embryogenesis. Among all auxin treatments, phytohormone-free, 0.5-2 mg/L indole-3-acetic acid (IAA) or indole-3-butyric acid (IBA) had the best mini-tuber formation under light culturing condition with tubers range from 23 to 28 mini-tubers per 0.2 g callus. Conclusion from our results, a two-step production protocol for in vitro micropropagation of C. yanhusuo was suggested. Callus would first proliferate on a MS basal medium containing NAA and TDZ in darkness, after subculturing into the MS basal medium only or containing lower concentration of IBA (0.5 mg/L) under light condition, a good number of mini-tubers would form from callus. Mini-tuber micropropagation with many advantages superior to seeds or in vitro seedling proliferation system, and by providing good quality tuber propagules for cultivation of C. yanhusuo may be beneficial for development and utilization of medicinal resource in Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。