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＜departmental bulletin paper＞
Studies on the absorption and translocation of phosphate at the flower stage of rice plant : Experiment with radioactive phosphorous

Creator
Creator Name
山田, 芳雄
Yamada, Yoshio
Affiliation
Affiliation Name
九州大学農学部農芸化学教室
Laboratory of Agricultural Chemistry, Faculty of Agriculture, Kyushu University
Creator Name
内田, 好哉
Uchida, Yoshiya
Affiliation
Affiliation Name
九州大学農学部農芸化学教室
Laboratory of Agricultural Chemistry, Faculty of Agriculture, Kyushu University
Creator Name
河井, 直幸
Kawai, Naoyuki
Affiliation
Affiliation Name
九州大学理学部物理学教室
Laboratory of Physics, Faculty of Sciences, Kyushu University
Creator Name
平井, 敬藏
Hirai, Keizo
Affiliation
Affiliation Name
九州大学農学部農芸化学教室
Laboratory of Agricultural Chemistry, Faculty of Agriculture, Kyushu University
Language
Japanese
Publisher
九州大學農學部
Faculty of Agriculture, Kyushu University
Date
1951-11
Source Title
Science bulletin of the Faculty of Agriculture, Kyushu University
Vol
13
Issue
1/4
First Page
136
Last Page
142
Publication Type
Version of Record
Access Rights
open access
JaLC DOI
https://doi.org/10.15017/21210
Related DOI
九州大學農學部學藝雜誌 || 13(1/4) || p136-142
Science bulletin of the Faculty of Agriculture, Kyushu University || 13(1/4) || p136-142
http://www.agr.kyushu-u.ac.jp/
Related URI
九州大學農學部學藝雜誌 || 13(1/4) || p136-142
Science bulletin of the Faculty of Agriculture, Kyushu University || 13(1/4) || p136-142
http://www.agr.kyushu-u.ac.jp/
Relation
九州大學農學部學藝雜誌 || 13(1/4) || p136-142
Science bulletin of the Faculty of Agriculture, Kyushu University || 13(1/4) || p136-142
http://www.agr.kyushu-u.ac.jp/

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Details

Record ID
21210
Peer-Reviewed
Unrefereed
Subject Terms
水稲
出穂開花期
燐酸
放射性燐
ISSN
0368-6264
NCID
AN0005519X
Notes
Rice plants were supplied after heading with radioactive P." as Na2HPO4. After 24, 72. and 192 hours, plants were harvested, and separated into several parts. Then they were analyzed for their P content. At the same time, their phosphorous compounds were fractionated and measured the radioactivity. The concentration of P." was highest in the boot leaf, which was the newest, and that coincided with Bidduiph's results. P" in the leaf, then, gradually translocated into the ear and accumulated. Total P as phosphatide and nuclein decreased in the leaf and stem during this period, but P" as these forms increased in every parts of plants. That shows vigorous renewal of phosphatide and nuclein at that period in these organs.
水稻にNa2HPO4の形で放射性燐を出穗後に与へ, 24, 72, 192時間後夫々収穫して穗, 茎, 葉等の各部に分け燐酸含量を分析した. 同時に含燐成分を分別定量し放射能を測定した. P32の濃度は最薪葉である止葉に先づ最高となりBiddulphの結果と一致した. 葉中のP32は次で漸次穗中に移動蓄積し, 192時間で穗中のP32は全体の20.55%を占めるに至つた. Phosphatide態, Nuclein態の燐は茎葉中で此の期間減少したが, 此等形態のP3"は逆に増加した. この事は此の期間中に於て茎葉中でPhosphatideやNucleinの旺盛な新陳代謝が行はれている事を示すものである.
Created Date 2012.07.30
Modified Date 2022.11.11

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