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頁籤選單縮合
題 名 | 木賊葉木麻黃癒合組織之耐鹽性=Salt-Tolerance of Calli in Casuarina Equisetifolia Forst |
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作 者 | 羅漢強; | 書刊名 | 國立臺灣大學農學院實驗林研究報告 |
卷 期 | 11:1=215 1997.03[民86.03] |
頁 次 | 頁1-11 |
分類號 | 436.259 |
關鍵詞 | 木賊葉木麻黃; 癒合組織; 耐鹽性; Casuarina equisetifolia; Callus; Salt-tolerance; |
語 文 | 中文(Chinese) |
中文摘要 | 不同個體起源之木賊葉木麻黃癒合組織,於含NaCl氯化鈉160-300mM等繼代階梯上 升之 1/2MS 及 WPM 兩種培養基上,不會衰亡而繼續生長,其各代之鮮重和乾重呈正相關。 在每兩代上升一階鹽分濃度之培養系列中,癒合組織每日增加之重量,平均由第一代起逐漸 增多,於第七代( 260mM NaCl )時達最高峰, 以後逐漸衰退,至第九代( 300mM )尚有 生長。在每兩代有鹽分一階後,即退回一代無鹽分之斷續上升鹽分濃度的培養系列中,癒合 組織生長率,在無鹽分第三代後之第四代( 180mM NaCl )即已達高峰,以後逐漸衰退,尤 其是在無鹽分之第六代及第九代生長率皆回升後,立即於第七代及第十代下跌,對鹽分敏感 。 在兩系列中,於不同起源之癒合組織間,耐鹽性有顯著差異;在 WPM 培養基上癒合組織 生長率優於在 1/2MS 培養基上者。 |
英文摘要 | Calli originated from different individuals of Casuarina equisetifolia were subcultured through passages on two sorts of media with stepwise increasing concentration of salt beginning from 160 mM. Calli survived and proliferated. Fresh weight of the calli was significantly correlated with dry weight in eash subculture throughout the experiment. When calli were subcultured serially on media supplemented with increasing salt concentrations in which the same level of salt concentration was used in a stage for every two subcultures, the mean increments of callus weight increased daily since the first subculture. The increment peaked in the 7 �� subculture(260 mM NaCl) and declined gradually till the 9 �� subculture (300 mM NaCl), in the meanwhile calli still proliferated. When calli were subcultured serially on media supplemented with increasing salt concertrations for every two subcultures followed by a subculture on media blanking salt, calli proliferated reaching the peak in the 4 �� subculture (180 mM NaCl) after subcultureing onto none-salt media in the 3 subculture. The proliferation declined gradually since the 4 �� subculture. Calh were much more sensitive to the salt in the 7 �� and 10 �� subcultures after recovering the proliferation capability on none-salt media in the 6 �� and 9 �� subcultures, respectively. Results of two serial subcultures revealed that calli derived from individual trees were significantly different in salt tolerance. A better callus proliferation was attained on WPM medium than on 1/2 MS medium. |
本系統中英文摘要資訊取自各篇刊載內容。