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  1. B300 農学部/生命農学研究科
  2. B300b 紀要
  3. 名古屋大学森林科学研究
  4. 16

Responses of Root Production in Japanese Red Cedar (Cryptomeria japonica D. Don) Saplings to Duration of Treatment with Acidic Solutions

https://doi.org/10.18999/nagufs.16.1
https://doi.org/10.18999/nagufs.16.1
f08c2f79-45c5-45d4-94ba-eb8ea2054759
名前 / ファイル ライセンス アクション
nagufs_16_1.pdf nagufs_16_1.pdf (1.4 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2007-07-04
タイトル
タイトル Responses of Root Production in Japanese Red Cedar (Cryptomeria japonica D. Don) Saplings to Duration of Treatment with Acidic Solutions
言語 en
その他のタイトル
その他のタイトル 酸性溶液の処理期間がスギ苗の根系生産に与える影響
言語 ja
著者 HIRANO, Yasuhiro

× HIRANO, Yasuhiro

WEKO 17831

en HIRANO, Yasuhiro

Search repository
平野, 泰弘

× 平野, 泰弘

WEKO 17832

ja 平野, 泰弘

Search repository
YOKOTA, Taketo

× YOKOTA, Taketo

WEKO 17833

en YOKOTA, Taketo

Search repository
横田, 岳人

× 横田, 岳人

WEKO 17834

ja 横田, 岳人

Search repository
HIJII, Naoki

× HIJII, Naoki

WEKO 17835

en HIJII, Naoki

Search repository
肘井, 直樹

× 肘井, 直樹

WEKO 17836

ja 肘井, 直樹

Search repository
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
キーワード
主題Scheme Other
主題 acidic solution
キーワード
主題Scheme Other
主題 Cryptomeria japonica
キーワード
主題Scheme Other
主題 surface area index
キーワード
主題Scheme Other
主題 treatment duration
キーワード
主題Scheme Other
主題 white root
キーワード
主題Scheme Other
主題 酸性溶液
キーワード
主題Scheme Other
主題 スギ
キーワード
主題Scheme Other
主題 根表面積
キーワード
主題Scheme Other
主題 処理期間
キーワード
主題Scheme Other
主題 白根
抄録
内容記述 The effects of treatment with acidic solutions for various periods on root system biomass and nutritional status were examined in sand cultures of Japanese red cedar (Cryptomeria japonica D. Don) saplings. A mixture of H_2SO_4 and HNO_3 solution at a molar ratio of 2 : 1 (pH 2.0) was applied for 4 to 12 weeks to both above- and below-ground parts of saplings grown in Yahagi sand. Deionized water was used as the reference treatment (control). At the 4th week, white roots were already injured and the biomass allocation to white were represented as the weight of Ca(NO_3)_2 attached to the root surface per unit dry weight of the roots, differed significantly between the pH 2 and control treatments, although they were not significantly different at weeks 4 and 8. The concentrations of A1 in the white roots at pH 2 were consistently higher than those in the controls at weeks 4, 8 and 12. These results suggest that the effects of pH 2 were consistently higher than those in the controls at weeks 4, 8 and12. these results suggest that the effects of pH 2 solution on the root systems of Japanese red cedar saplings in Yahagi sand appear from an early stage, by the end of the 4th week of treatment, and that white root development is affected both indirectly through above-ground parts, and directly thorough low pH and excess A1 in the media solution.
言語 en
内容記述タイプ Abstract
抄録
内容記述 npH2.0酸性溶液処理におけるスギ苗の根系衰退が、どのくらいの処理機関でどのように起きるかを明らかにするために、2年生スギ苗を矢作砂を培地として砂耕栽培し、4週間ごとの掘り取りによる根系調査を12週間行った。酸性溶液は、苗木の地上部と地下部の双方に暴露した。その結果、4週間の酸性溶液処理において、pH2区における白根の乾重比は、対照区に比べすでに有意に低下しており、白根が太くかつ短くなる傾向が認められた。pH2区における根全体の表面積は、4週間、8週間の酸性溶液処理においては、対照区と有意差が認められなかったものの、12週間の酸性溶液処理においては、対照区に比べて有意に減少した。本実験の結果から、pH2.0酸性溶液処理は、矢作砂の酸中和能力の低さのために根圏における低pHやAlの影響を導き、白根の発育初期段階にさえ負の影響を与えることが明らかとなった。さらに酸性溶液処理期間が長くなるに伴って、その影響は根全体へと及ぶことが示唆された。
言語 ja
内容記述タイプ Abstract
内容記述
内容記述 農林水産研究情報センターで作成したPDFファイルを使用している。
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学農学部附属演習林
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/nagufs.16.1
ID登録タイプ JaLC
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://rms1.agsearch.agropedia.affrc.go.jp/contents/JASI/pdf/academy/57-2254.pdf
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 13442457
書誌情報 ja : 名古屋大学森林科学研究

巻 16, p. 1-6, 発行日 1997-12
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/8486
識別子タイプ HDL
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