頁籤選單縮合
題 名 | 耳莢相思樹扦插繁殖之研究 |
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作 者 | 沈慈安; 胡大維; | 書刊名 | 林業試驗所研究報告季刊 |
卷 期 | 1:1 1986.09[民75.09] |
頁 次 | 頁25-30 |
分類號 | 436.257 |
關鍵詞 | 耳莢相思樹; 扦插繁殖; 生長素; 穴植管; Acacia auriculiformis; Cutting; Vegetative propagation; Dibbling tube; |
語 文 | 中文(Chinese) |
中文摘要 | 耳莢相思樹是原產於澳洲的固氮速生樹種,由於良好的環境適應性及快速生長的能力,使其在缺乏工業原料材的臺灣,有甚大的發展潛力,但是由於樹形的彎曲不整,使它的利用價值大打折扣,從營養系中選種改良是一條可行的途徑,但是對於這個樹種的無性繁殖,至目前為止,世界上並無可參考的資料。為了研究耳莢相思樹的扦插繁殖的可行性而進行了這項研究。 研究結果顯示,三年生的耳莢相思樹立木,以帶葉枝條在間歇噴霧系統下扦插繁殖,經過45天即可有80%的發根率,但若以IBA,NAA生長素處理,除可提高發根率至100%外,更可提高其根的品質。同時為了減少移植損傷及人工,直接以穴植管充以介質作為扦插床,除了不影響發根外,將可提高其出栽時的成活率。 |
英文摘要 | Acacia auriculiformis is a promising specis of fast-growing nitrogen-fixing-tree. Since introduced to Taiwan from it,s origin in Australla, this tree have beer studied in many experimental plantations. But the varied form of the trunk-from singe stem to bush type, reduce the value of utility of it. Research for practical methods of vegetative propagation is necessary. Four tests have been studied continuously from November 1982 to September 1984 to find a way to propagate it by cuttings. As the result shows, 3-year-old leafy cutting rooted well under intermittent mist spray. and treating by 1000-2500 ppm of IBA can improve the rooting on percentage and the quality of roots. Directly cutting in dibbling tube can make the transplanting of rooted cuttings much easier. And the loss by transplanting shock can be reauced by this method. |
本系統中英文摘要資訊取自各篇刊載內容。