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  1. 学術雑誌論文
  2. 沖縄農業研究会
  3. 沖縄農業
  4. 3巻1号
  1. 部局別インデックス
  2. その他

イネの根における細胞間隙の観察

http://hdl.handle.net/20.500.12000/0002015130
http://hdl.handle.net/20.500.12000/0002015130
840d9811-a990-4faa-9c26-e82432bbcb7a
名前 / ファイル ライセンス アクション
79.pdf 79.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2009-01-29
タイトル
タイトル イネの根における細胞間隙の観察
言語 ja
作成者 島袋, 敬一

× 島袋, 敬一

ja 島袋, 敬一

Shimabuku, Kei-ichi

× Shimabuku, Kei-ichi

en Shimabuku, Kei-ichi

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 ja
権利情報 沖縄農業研究会
主題
言語 ja
主題Scheme Other
主題 イネ
言語 ja
主題Scheme Other
主題 細胞間隙
言語 ja
主題Scheme Other
主題 離生間隙
言語 ja
主題Scheme Other
主題 根
内容記述
内容記述タイプ Other
内容記述 In this study, the author observed the intercellular spaces in the cortex of the rice root, and discussed with special reference to different patterns of formation of the spaces. Two types of intercellular spaces are recognized in the root of Oryza sativa L., namely, the diamond-shaped space emerged in the zone of maturation. The diamond-shaped spaces are formed schizogenously, become visible in the outer layer of the thin-walled parenchyma at the level proximately 50μ or less from the tip where the root cap still persists. The formation of the spaces proceeds centripetally in the cross section; in other words, the cells of outer portion in the cortex are older than inner ones. Williams (1947) has indicated that in the tip of primary root in various vascular plants the cell layer, which becomes the endodermis finally, acts like a cambium giving rise to all tissues of the cortex. The cambial nature of endodermal cells was confirmed also in the previous paper on the rice root of the author (Shimabuku, 1960). Present observation should be noticed in this connection. From the fact that in the present study the centripetal formation of schizogenous spaces is found among the thin-walled parenchymatous cells, it may be conceivable that the cambial nature of endodermal cells, moreover, is brought to light. The level at which the diamond-shaped intercellular spaces appear agrees with Boeke's observation (1940). It is an interest fact in the present observation that the level is almost constant in any case, while the range of the zone of the active cell division and of elongation fluctuate considerably according to kind and growing stage of the root and other conditions. The principal forming patterns of the wheel-shaped space appeared in the zone of maturation are as follows: 1) the parenchymatous cells separate each other along the radial walls, then contruct their size and are disorganized, finally the schizogenous spaces combined one by one form themselves into a large space in radial rows (Fig. 4); 2) some spaces being formed by disintegration of the radial walls of the cells and the diamond-shaped spaces are united into large one (Fig. 5); and 3) large cavities emerge in disintegration of the radial walls of the cells, then the diamond-shaped spaces are enveloped in collapsed cell walls (Fig. 6). These patterns, however, could not be observed individually through observation in a cross section but they were combined each other in many cases. In the wheel-shaped spaces, partly disintegrated or collapsed cells appear along the periphery of the space in any way. From the described above, it may be proper to apply the term lysigenous space to the wheel-shaped space in the cortex of rice roots, regardless of the opinion of some authors that the term schizogenous should be applied to the space.
内容記述タイプ Other
内容記述 論文
出版者
言語 ja
出版者 沖縄農業研究会
言語
言語 jpn
資源タイプ
資源タイプ journal article
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1344-1477
収録物識別子タイプ NCID
収録物識別子 AN00083297
収録物名
言語 ja
収録物名 沖縄農業
書誌情報
巻 3, 号 1, p. 41-46
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