抄録
For sustainable production of high-quality plants, information about kinetics of root absorptive functions responding to change in environmental condition is essential. A system for measuring rates of water absorption, ion absorption and respiration in intact roots was developed, and the system performance was found to be reliable with a relative error less than 3.5% and applicable under different root zone temperatures and dissolved O2 concentrations. Furthermore, the simultaneous measurements of rates of water and ion absorption enabled the evaluation of ion concentration in the xylem sap. The root absorptive functions were enhanced with increase in root zone temperature, and root respiration was depressed by the low dissolved O 2 under the high root zone temperature of 35°C. In addition, the absorbed water diluted the xylem sap, and this dilution effect on the concentration of each ion in the xylem sap appeared in different patterns. These results suggest that the system developed is applicable for the analyses of the absorptive functions of intact roots responding to change in environmental condition.
| 元の言語 | 英語 |
|---|---|
| ページ（範囲） | 23-31 |
| ページ数 | 9 |
| ジャーナル | Environmental Control in Biology |
| 巻 | 49 |
| 発行部数 | 1 |
| DOI | |
| 出版物ステータス | 出版済み - 10 14 2011 |
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All Science Journal Classification (ASJC) codes
- Agronomy and Crop Science
- Plant Science
これを引用
Kinetics of root ion absorption affected by environmental factors and transpiration I. Measurement system for intact roots. / Sago, Yuki; Yasutake, Daisuke; Hidaka, Kota; Yasunaga, Eriko; Eguchi, Toshihiko; Yoshida, Satoshi; Masaharu, Kitano.
：: Environmental Control in Biology, 巻 49, 番号 1, 14.10.2011, p. 23-31.研究成果: ジャーナルへの寄稿 › 記事
}
TY - JOUR
T1 - Kinetics of root ion absorption affected by environmental factors and transpiration I. Measurement system for intact roots
AU - Sago, Yuki
AU - Yasutake, Daisuke
AU - Hidaka, Kota
AU - Yasunaga, Eriko
AU - Eguchi, Toshihiko
AU - Yoshida, Satoshi
AU - Masaharu, Kitano
PY - 2011/10/14
Y1 - 2011/10/14
N2 - For sustainable production of high-quality plants, information about kinetics of root absorptive functions responding to change in environmental condition is essential. A system for measuring rates of water absorption, ion absorption and respiration in intact roots was developed, and the system performance was found to be reliable with a relative error less than 3.5% and applicable under different root zone temperatures and dissolved O2 concentrations. Furthermore, the simultaneous measurements of rates of water and ion absorption enabled the evaluation of ion concentration in the xylem sap. The root absorptive functions were enhanced with increase in root zone temperature, and root respiration was depressed by the low dissolved O 2 under the high root zone temperature of 35°C. In addition, the absorbed water diluted the xylem sap, and this dilution effect on the concentration of each ion in the xylem sap appeared in different patterns. These results suggest that the system developed is applicable for the analyses of the absorptive functions of intact roots responding to change in environmental condition.
AB - For sustainable production of high-quality plants, information about kinetics of root absorptive functions responding to change in environmental condition is essential. A system for measuring rates of water absorption, ion absorption and respiration in intact roots was developed, and the system performance was found to be reliable with a relative error less than 3.5% and applicable under different root zone temperatures and dissolved O2 concentrations. Furthermore, the simultaneous measurements of rates of water and ion absorption enabled the evaluation of ion concentration in the xylem sap. The root absorptive functions were enhanced with increase in root zone temperature, and root respiration was depressed by the low dissolved O 2 under the high root zone temperature of 35°C. In addition, the absorbed water diluted the xylem sap, and this dilution effect on the concentration of each ion in the xylem sap appeared in different patterns. These results suggest that the system developed is applicable for the analyses of the absorptive functions of intact roots responding to change in environmental condition.
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UR - http://www.scopus.com/inward/citedby.url?scp=80053930188&partnerID=8YFLogxK
U2 - 10.2525/ecb.49.23
DO - 10.2525/ecb.49.23
M3 - Article
VL - 49
SP - 23
EP - 31
JO - Environmental Control in Biology
JF - Environmental Control in Biology
SN - 1880-554X
IS - 1
ER -