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題 名 | Occurrence of Graniferous Tracheary Elements in the Haustorium of Cassytha filiformis Linn., A Stem Parasite of Lauraceae=無根草(樟科植物莖寄生)吸器內粒狀導管之發生 |
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作 者 | Rajanna, L.; Shivamurthy, G. R.; Shivamurthy, G. R.; Rajanna, L.; | 書刊名 | Taiwania |
卷 期 | 46:1 2001.03[民90.03] |
頁 次 | 頁40-48 |
分類號 | 373.93 |
關鍵詞 | 粒狀導管; 無根草; 吸器; 寄生植物; 樟科; Graniferous tracheary elements; Cassytha filiformis; Haustorium; Parasite; Lauraceae; |
語 文 | 英文(English) |
DOI | 10.6165/tai.2001.46(1).40 |
中文摘要 | 本文報導無根草(樟科)的吸器內一明顯的中斷區。無根草為一種對寄主不具專一性的莖寄生植物,其維管束中大部分的導管有穿孔。粒狀導管首次在吸器的維管束和寄生莖中被觀察。由組織化學的研究確認這些顆粒具有蛋白質的特性。在掃描電子顯微鏡下觀察到含有顆粒的導管。早期的研究者曾討論過導管和它的顆粒的構造與其功能的關係。 |
英文摘要 | A distinct interrupted zone is present in the haustorium of Cassytha filiformis a non-host specific stem parasite. Majority of the xylem elements in the vascular core are perforated. The graniferous tracheary cells were observed in the vascular core of haustorium as well as in the parasite stem for the first time. Histochemical studies confirmed the proteinaceous nature of granules. Tracheary cells containing granules were examined using scanning electron microscope. The structure in relation to function of the tracheary cells and their granules are discussed in the light of earlier work. |
本系統中英文摘要資訊取自各篇刊載內容。