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＜departmental bulletin paper＞
Electric Conductivity,Na+ Content and Photosynthetic Activity in Leaves of Salt-Stressed Rice Plants,and Their Cultivaral Difference

Creator
Creator Name
Nakamura, Michiyo
中村, 美千代
ナカムラ, ミチヨ
Affiliation
Affiliation Name
Laboratory of Plant Production Physiology,Division of Soil Science and Plant Production,Graduate School of Bioresource and Bioenvironmental Sciences,Kyushu Unviersity
Author PID
K002211
Creator Name
Kubota, Fumitake
窪田, 文武
クボタ, フミタケ
Affiliation
Affiliation Name
Laboratoy of Plant Production Physiology,Division of Soil Science and Plant Production,Deaprtment of Plant Resoruces,Faculty of Agriculture,Kyushu University
Creator Name
Araki, Takuya
荒木, 卓哉
アラキ, タクヤ
Affiliation
Affiliation Name
Laboratoy of Plant Production Physiology,Division of Soil Science and Plant Production,Deaprtment of Plant Resoruces,Faculty of Agriculture,Kyushu University
Author PID
K001673
Creator Name
Mochizuki, Toshihiro
望月, 俊宏
モチヅキ, トシヒロ
Affiliation
Affiliation Name
Laboratoy of Agricultural Ecology,Division of Agricultural Ecology,Department of Plant Resources,Faculty of Agriculture,Kyushu University
Language
English
Publisher
Faculty of Agriculture, Kyushu University
九州大学大学院農学研究院
Date
2004-10-01
Source Title
Journal of the Faculty of Agriculture, Kyushu University
Vol
49
Issue
2
First Page
225
Last Page
231
Publication Type
Version of Record
Access Rights
open access
Crossref DOI
https://doi.org/10.5109/4582
Related DOI
Journal of the Faculty of Agriculture, Kyushu University || 49(2) || p225-231
九州大学大学院農学研究院紀要 || 49(2) || p225-231
http://www.agr.kyushu-u.ac.jp/index.html
Related URI
Journal of the Faculty of Agriculture, Kyushu University || 49(2) || p225-231
九州大学大学院農学研究院紀要 || 49(2) || p225-231
http://www.agr.kyushu-u.ac.jp/index.html
Relation
Journal of the Faculty of Agriculture, Kyushu University || 49(2) || p225-231
九州大学大学院農学研究院紀要 || 49(2) || p225-231
http://www.agr.kyushu-u.ac.jp/index.html

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Details

PISSN
0023-6152
NCID
AA00697606
Record ID
4582
Peer-Reviewed
Unrefereed
ISSN
0023-6152
NCID
AA00697606
Notes
The electric conductivity of a leaf (LEC) was determined with an insulation resistance tester, and discussed its relationship with Na[+] content in a leaf (LNC) and the photosynthetic activity in salt-stressed rice cultivars. The measurements were carried out using three cultivars of O. sativa and O. glaberrima grown at the middle vegative growth stage. The plants showed a clear response to the salt treatment wothin 24 hours after its application. Both LEC and LNC in these cultivars increased with an increase in NaCl concentration in culture solution from 0 to 0.1 μmol L[-1]. LEC had a close linear relationship with LNC in each cultivar. A negative relationship was found between LEC and gross photosynthetic rate(Pg). The stomatal concuctance (Gs) and mesophyll conduntance (Gm) decreased with an increase in LNC. A clear cultivaral dofference was recognized in responces to salt treatments. LEC was regarded as a useful indicator for the estimation or diagnosis of LNC and photosynthetic activity in salt-stressed rice cultivars.
Created Date 2009.04.22
Modified Date 2022.11.11

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