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題 名 | Differences in Physiological Responses between Winter and Summer Gracilaria Tenuistipitata (Gigartinales, Rhodophyta) to Varying Temperature=春季及夏季生長龍鬚菜(Gracilaria tenuistipitata)對不同溫度的生理反應之差異 |
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作 者 | 李澤民; 張婉純; 林耀輝; | 書刊名 | Botanical Bulletin of Academia Sinica |
卷 期 | 40:1 1999.01[民88.01] |
頁 次 | 頁93-100 |
分類號 | 439.63 |
關鍵詞 | 生長; 脯氨酸; 季節; Gracilaria tenuistipitata; Growth; Proline; Season; |
語 文 | 英文(English) |
中文摘要 | 臺灣南部養殖作為九孔主食的菊花心種龍鬚菜(Gracilaria tenuistipitata var. Zhang et Xia) 在冬季生長較差。本研究調查年度、地點(養殖池)及季節對菊花心種龍鬚菜在不同溫度之生理反 應的影響。年度及地點對各生理反應無影響。季節則顯著影響比生長率、恢復比生長率及游離脯 氨酸含量。由比生長率資料知冬季植株可生長於14.1~32.3℃而夏季植株則介於11.8~37.3℃間, 它們的最大值分別發生於23.0℃及24.5℃。不同溫度處理後,冬季及夏季植株轉移至25℃之恢愎 比生長率有相同之趨勢。夏季植株的游離脯氨酸含量在接近上下限的溫度時會顯著增加,冬季植 株則保持不變。所以,本研究結果指出對不同溫度之生理反應中,生長與游離脯氨酸受季節馴化 之影響。 |
英文摘要 | Gracilaria tenuistipitata var. liui Zhang et Xia, which is farmed in brackish water ponds of southern Taiwan as a major food of sea abalone, produces poor yields in winter. This study investigated the effects of year, location (pond), and season on the physiological responses of G. tenuistipitata to varying temperature. Neither year nor pond affected the physiological parameters. Season significantly affected the specific growth rate, the recovery specific growth rate, and the levels of free proline. The specific growth rate was different between winter (January in 1996, 1997 and 1998) and summer (August in 1996, 1997 and 1998) plants, which grew in a range of 14.l-32.3℃ and 11.8-37.3℃ with the maximum at 23 and 24.5℃, respectively. The recovery specific growth rate after transferal to 25℃ showed a similar trend. Free proline accumulated only in summer plants at both 20 and 35℃. Thus, the growth and free proline levels at varying temperature are season-dependent events in G. tenuistipitata. |
本系統中英文摘要資訊取自各篇刊載內容。