臺灣博碩士論文加值系統

本論文分為兩部分，第一部份研究硫代硫酸銀（silver thiosulfate）及蔗糖對玫瑰切花之瓶插壽命的影響。第二部分研究硫酸鋁（aluminum sulfate）對洋桔梗切花之瓶插壽命的影響。
在玫瑰（Rosa hybrida L. cv. Diana）切花方面，在23℃下，以濃度為0，20，40，60，80，100，120 gL-1的蔗糖溶液，其中均含200 mgL-1 8-hydroxyquinoline sulfate（8-HQS）處理10小時後，轉移至蒸餾水中繼續瓶插，結果發現每公升含120克蔗糖之溶液可使玫瑰切花維持最長的壽命約7天。若將切花瓶插於0.2 mM 硫代硫酸銀溶液中2小時後，再換到含120 gL-1蔗糖及200 mgL-1 8-HQS的溶液中10小時，最後換到蒸餾水中繼續瓶插，則切花瓶插壽命約10天且花朵品質最佳。瓶插於0.2 mM 硫代硫酸銀溶液中2小時後，直接換到蒸餾水中繼續瓶插，其切花瓶插壽命約9天。剛採收的切花之乙烯生成量為最高，經過不同化學藥劑瓶插處理後，乙烯生成量均有下降的現象。與對照組相比，蔗糖抑制乙烯生成的效果為佳，其次為硫代硫酸銀處理後換以蔗糖處理組，單獨以硫代硫酸銀處理之效果並不顯著。另外，就端節酵素活性表現可得知，其活性高低與保鮮劑效果呈現相關。
在洋桔梗（Eustoma grandiflorum Shinn. cv. Hei Hou）切花方面，在25℃下，以濃度為0,50,100,150 mgL-1的硫酸鋁溶液進行瓶插處理，發現150 mgL-1硫酸鋁溶液處理後可獲得最長的瓶插壽命約15天，其次依序為100 mgL-1硫酸鋁、50 mgL-1硫酸鋁、蒸餾水處理。在水分散失量上，硫酸鋁處理組比水處理組散失較少量的水，亦即水分散失量被硫酸鋁所抑制，因此硫酸鋁處理組之切花可吸收較多的水分，故鮮重較水處理組高。實驗結果得知，硫酸鋁為一有效的殺菌劑，減少切花發生維管束阻塞的情形，而延長其瓶插壽命。

Cut rose（Rosa hybrida L. cv. Diana）flowers were kept at 23℃ in solution containing 0, 20, 40, 60, 80, 100, 120gL-1 sucrose in combination with 200 mgL-1 8-hydroxyquinoline sulfate（8-HQS）for 10 h, then transferred to distilled water. The pulse treatment of sucrose at 120gL-1 had a significant effect on extending the vase life of cut rose flowers about 7 days. The pulse treatment of silver thiosulfate（STS）0.2mM for 2 h followed by sucrose at 120gL-1 with 200 mgL-1 8-hydroxyquinoline sulfate（8-HQS）for 10 h had the longest vase life（about 10 days）and best flower quality. Flowers with only silver thiosulfate（STS）0.2mM for 2 h maintained vase life for 9 days. The ethylene production was greatest in untreated rose flower and decreased by applying chemical solutions treatment. Comparing with water control, ethylene production was more significantly inhibited by sucrose in combination with 8-HQS than with STS or STS followed by sucrose along with 8-HQS. And the telomerase activity is related to the use of preservatives. Cut rose flowers applying STS followed by sucrose show the positive expression of telomerase activity.
Cut eustoma（Eustoma grandiflorum Shinn. cv. Hei Hou）flowers were placed in a preservative solution containing 0, 50, 100, 150mgL-1 aluminum sulfate at 25℃. We found that the vase life of cut eustoma flower was significantly extended when using 150mgL-1 of aluminum sulfate to 15 days, whereas the vase life of the water control was only 8 days. Cut flowers kept in 150mgL-1 of aluminum sulfate lost less water than those in distilled water. The results suggest that transpiration was inhibited by aluminum sulfate and also indicate that cut flower treated with aluminum sulfate absorbed more water than those in water control. This allowed more increase in fresh weight of cut eustoma flower in 150mgL-1 of aluminum sulfate. So aluminum sulfate is an effective antimicrobial agent to prevent blockage of vascular bundles for extending vase life.

誌謝…………………………………………………………...Ⅰ
中文摘要……………………………………………………...Ⅱ
英文摘要……………………………………………………...Ⅳ
目錄…………………………………………………………...Ⅵ
圖表目錄……………………………………………………...Ⅶ
前言…………………………………………………………….1
第一部份：硫代硫酸銀及蔗糖對玫瑰切花瓶插壽命及端節酵素活性之影響………………………………………………….4
研究背景…………………………………………………….4
材料與方法………………………………………………….7
結果與討論………………………………………………...12
第二部分：硫酸鋁對洋桔梗切花之瓶插壽命影響………...21
研究背景…………………………………………………...21
材料與方法………………………………………………...22
結果與討論………………………………………………...23
參考文獻……………………………………………………...31

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