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  1. 070 農学部, 大学院農学研究科
  2. 0702 紀要 ・刊行物
  3. 07024 信州大学農学部学術報告
  4. Vol. 3

アサツキ(絲葱,Allium Ledebourianum SCHULT)の発育中に於ける組織粉末比重並に組織圧搾汁の物理化学的性狀の変化

http://hdl.handle.net/10091/13910
http://hdl.handle.net/10091/13910
368f45c7-6625-47e3-aadf-977a0886e5d5
名前 / ファイル ライセンス アクション
Bulletin_Agri-03-03.pdf Bulletin_Agri-03-03.pdf (715.5 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2012-03-07
タイトル
言語 ja
タイトル アサツキ(絲葱,Allium Ledebourianum SCHULT)の発育中に於ける組織粉末比重並に組織圧搾汁の物理化学的性狀の変化
タイトル
言語 en
タイトル Seasonal Changes in Specific Gravity of the Tissue Powder and Some Physicochemical Properties of the Expressed Sap of Allium Ledebourianum SCHULT
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
著者 宮崎, 義光

× 宮崎, 義光

WEKO 34969

宮崎, 義光

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出版者
出版者 信州大学農学部
引用
内容記述タイプ Other
内容記述 信州大学農学部学術報告 3: 15-26(1954)
書誌情報 信州大学農学部学術報告

巻 3, p. 15-26, 発行日 1954-03-30
抄録
内容記述タイプ Abstract
内容記述 The author studied the seasonal changes in water contents and in the specific gravity of tissue powder of the leaves and bulbs, and that in some physico-chemical properties (refractive and osmotic concentrations, specific electric conductance, and of relative viscosity) of the expressed sap of Allium.Ledebourianum. The water contents of the leaves and that of bulbs markedly variated in growing season (March to October), and the lowest water content was usually found in winter season. The specific gravity of the tissue powder of the bulbs was remarkably decreased at the tillering stage in growing season and increased in the thickening stage of bulb, finding gradual decrease during winter time. It was found that the seasonal variations of some physico-chemical properties were associated with the seasonal changes in water contents of the plant. The corrected concentration indices (the concentrations of the expressed sap from which the changes in the figure for the concentration caused by the changes in the water content of the plant are eliminated) in the cell sap of the bulbs were greater in winter season than in growing season, which indicates that water soluble materials accumulate in the plant greatly in winter season. And the similar seasonal variations to that of the corrected concentration indices were also observed in the corrected indices of osmotic concentration, in the specific conductance and in the relative viscosity. It was observed also that the increase in the cell sap concentration determined from its refractive index was accompanied with the increase in its viscosity. These facts are supposed to indicate that the increased viscosity in the cell sap in winter decreases the velocity of the ion movement. But the fact that in the present experiment the increases both of the specific conductance and of the relative viscosity were found in winter season, seems to indicate that in winter time the electrolytic ions accumulate remarkably in the plant. From these results the author concluded that there is a high positive correlation between the increase in refractive and osmotic concenrations, in ion concentration and in visosity in the cell sap in winter time and the increase of cold resistance of the plant in that season.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0559-8605
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00121341
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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