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題 名 | 光度對文心蘭(Oncidium 'Gower Ramsey')假球莖生長及開花品質之影響=Effect of Light Level on Pseudobulb Growth and Flowering Quality of Oncidium 'Gower Ramsey' |
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作 者 | 張允瓊; 李哖; | 書刊名 | 宜蘭技術學報 |
卷 期 | 1 1998.12[民87.12] |
頁 次 | 頁39-51 |
分類號 | 435.431 |
關鍵詞 | 光度; 假球莖; 潛伏芽; 花芽; 開花; Light level; Pseudobulb; Latent bud; Flower bud; Flowering; |
語 文 | 中文(Chinese) |
中文摘要 | 文心蘭 Gower Ramsey 在遮蔭 25-95% 的情況下,植株的營養生長狀況隨著光度 的增加而提高。假球莖的長度隨著光度降低而增長,遮蔭 25% 時最低,約為85mm,遮蔭95% 時最長,約為 102mm。 假球莖的寬度及厚度皆隨著光度的增加而增加,在遮蔭 25% 時,假 球莖的最大寬度為 33.3mm, 厚度為 24mm, 遮蔭 95% 時, 最大寬度及厚度則分別下降為 26.1mm 及 16mm,即降低栽培光度, 將使植株的同化產物之轉運( translocation )下降 ,影響假球莖的充實。生殖生長方面,亦有增加光度,開花品質隨之提高的趨勢。遮蔭 55% 時,每支花梗平均分支數最多約為 4.2。平均花梗長度及小花朵數則在遮蔭 25% -75% 間差異 不顯著。遮蔭 95%時,植株無法抽出花梗,而直接萌發次代營養芽,在此光度下,自當代子 球萌發出的孫球芽數為遮蔭 55% 時的 2 倍。已抽梗 20cm 左右的文心蘭花序發育的情形, 仍是隨著光度的增強而提高,遮蔭 25% 時, 花序品質最佳,平均花梗分支數為 4.8,花梗 長度約 130cm。 |
英文摘要 | Under shaded at 25-95%, the vegetative growth of Oncidium ‘Gower Ramsey’increased with light intensity. The height of pseudobulb decreased with light intensity. The shortest height of pseudobulbs was 85mm, while shaded at 25%. And the longest one was 102mm, while shaded at 95%. The width and thickness of pseudobulbs were also increased with light intensity. The largest width and thickness of pseudobulbs were 33.3mm and 24mm when the plants were under 25% shaded. While the shorted of them were 26.1mm and 16mm when the plants were shaded at 95%. There are the same results in reproductive growth. The most branches of flower stalk were 4.2 when shaded at 55%. But the average flower stalk length and flowers' number were no significant differentiation under shaded at 25-75%. When shaded at 95%, the plants failed to flower. The new leads were emergenced from the base. The development of 20-30cm flower stalk increased with light level, too. The best inflorescence's quality were flower branches at 4.8 and stalk's length at 130cm when shaded at 25%. |
本系統中英文摘要資訊取自各篇刊載內容。