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篇名
貯藏溫度與濕度對Lucky Girl春石斛成熟株葉片與開花品質之影響
並列篇名
Effects of Storage Temperature and Relative Humidity on Leaf and Flower Quality in Dendrobium Lucky Girl
作者 黃肇家黃慧穗蔡金玉姚秋嫻丁一
中文摘要
本研究將春石斛Dendrobium Lucky Girl成熟株置於不同溫度與濕度下,黑暗貯藏28日以模擬海運來探討海運可能之適當溫度與濕度。結果經6、12與18℃貯藏後,在一般溫室(日夜溫28/20℃)栽培到開花時,有葉率各為54%、49%與23%;而未貯藏者為70%。貯藏濕度試驗於6與12℃貯藏下,將相對濕度控制於71%、85%及99%RH,在6℃貯藏下,3個濕度處理之葉片品質都維持良好,到開花時有葉率皆在82%以上。以12℃貯藏則深受濕度所影響,在85%RH下,有葉率為87%,高濕(99%RH)或低濕(71%RH)則各為50%與36%。開花品質於6與12℃貯藏者,有花節數比例為52%-55%,18℃貯藏者較低,為40%-43%,未貯藏者為59%-67%。每節位之花朵數為2.1-2.8朵;花序長度除了以18℃貯藏者小於10 cm,其他以6與12℃貯藏者都大於12 cm。植株經過貯藏後,盆花壽命約為5週,未貯藏者約為6週。12℃貯藏會縮短催花日數,其始花日數為71-75日,未貯藏者為80-82日。綜合這些結果,顯示Lucky Girl春石斛若要海運歐美,維持葉片品質較為困難,以6與12℃貯運較適合,但以12℃貯運則需將相對濕度維持於85%左右。 Mature plants of a nobile dendrobium, Dendrobium Lucky Girl were stored at 6, 12 and 18℃ for 28 days as a simulation of marine shipment and then the plants were cultivated in a greenhouse at day/night temperature of 28/20℃. When the plants began to flower the percentages of nodes with leaf were 54%, 49% and 23% for the plants stored at 6, 12 and 18℃, respectively, as compared with 70% in the control without storage. Another group of plants were kept at 71%, 85%, and 99% RH when stored at 6 and 12℃. More than 82% of leaves remained intact on the three humidity treatments when stored at 6℃. High leaf retention occurred in plants at 85% RH when stored at 12℃. There were 52% to 55% of nodes that produced flowers in plants stored at 6 and 12℃, as compared with 40% to 43% when stored at 18℃, and 59% to 67% in the control. There were 2.1 to 2.8 florets in each node of stem. The floret diameter was 4.5 to 4.9 cm. Plants stored at 6 and 12℃ produced 12 cm or longer inflorescences, while those stored at 18℃ had 10 cm or shorter inflorescences. The longevity of the flower was 5 weeks approximately, as compared to 6 weeks in control. Plants stored at 12℃ flowered on days 71-75 after cultivation in the greenhouse while the unstored plants took 80 to 82 days to flower. Results show that the suitable storage conditions were 6℃ or 12℃ with the relative humidity controlled at 85% for exporting Dendrobium Lucky Girl plants by marine shipment.
起訖頁 305-314
關鍵詞 模擬運輸有葉率開花率始花日數盆花壽命simulated transportationpercentage of node with leafpercentage of node with flowerdays to anthesispotted flower longevity
刊名 臺灣園藝  
期數 201212 (58:4期)
出版單位 臺灣園藝學會(原:中國園藝學會)
該期刊-上一篇 鋪面材料對臺大校園微氣候之影響
該期刊-下一篇 高溫、淹水及乾旱對甘藷葉綠素螢光之影響
 

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