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題 名 | 伐採季節對孟宗竹及剌竹抗蟲性之影響=Effect of Felling Season on the Anti-pest Property of Phyllostachys pubescens and Bambusa stenostachya |
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作 者 | 張豐吉; 黃信富; 杜明宏; | 書刊名 | 林產工業 |
卷 期 | 30:3 2011.09[民100.09] |
頁 次 | 頁179-196 |
分類號 | 436.188 |
關鍵詞 | 孟宗竹; 刺竹; 澱粉含量; 蠹蟲; Phyllostachys pubescens; Bambusa stenostachya; Starch content; Powderpost beetle; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以不同伐採季節、不同竹齡、不同部位之孟宗竹與刺竹的化學組成變化,探討竹材化學組成變化對感染蛀蟲的相關性,期望能提高竹材抗蛀蟲能力,以提高竹材使用壽命。試驗結果顯示:孟宗竹與刺竹之抽出物及澱粉含量均呈現季節性變化,竹齡高的竹材澱粉含量較竹齡低者為高。由養蟲試驗結果得知:孟宗竹在10月至3月易受蟲害,刺竹在2至4月與7、8月伐採者易受蟲害,其受蟲害情形與竹材中所含抽出物及澱粉含量有密切關係,尤其澱粉含量高低與蛀蟲為害情形相關性更為顯著。因此砍伐竹材利用時,應慎選季節以減少蟲害。 |
英文摘要 | The objectives of this study were to investigate the effect of felling season, age and position on the chemical compositions of Moso bamboo and Thorny bamboo, in order to explore the relationship between the chemical compositions and pest damage, with the hope to improve the bamboo anti-pest ability, in order to improve the service life of bamboo products. The experimental results are summarized as follows: The extractives and starch content of Moso bamboo and Thorny bamboo showed seasonal variations, starch content of higher age bamboo are higher than those of bamboo with lower age. The pest test showed that Moso bamboo felled from Oct. to Mar., Thorny bamboo felled from Feb. to Apr. and from Jul. to Aug. were susceptible to powderpost beetle. It seemed that the pest damages were directly related with the extractives and starch contents of bamboos, high starch content will lead to the bamboo susceptible to pests especially. To control the pest injury, it is important to fell bamboo in the right seasons. |
本系統中英文摘要資訊取自各篇刊載內容。