Transpiration integrated model for root ion absorption under salinized condition

Ryosuke Nomiyama, Daisuke Yasutake, Yuki Sago, Kitano Masaharu

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

抄録

Salinization of crop fields is a pressing matter for sustainable agriculture under desertification and is largely attributed to root absorptive functions of the major crops such as maize. The rates of water and ion absorption of intact root system of maize plants were measured under the salinized condition, and the salt absorptive function of maize roots was analyzed by applying different two kinetic models of root ion absorption (i.e. the concentration dependent model and the transpiration integrated model). The absorption rates for salinization ions (Na+, Cl-, Ca2+ and Mg2+) were found to depend on ion mass flow through roots driven by the transpiration, and therefore the transpiration integrated model represented more accurately rates of root ion absorption. The root absorption of salinization ions was characterized quantitatively by two model parameters of Q′max and K′M involved in the transpiration integrated model, which are considered to relate to the potential absorbing power and the ion affinity of transport proteins on root cell membranes, respectively.

元の言語英語
ページ(範囲)1113-1117
ページ数5
ジャーナルBiologia (Poland)
68
発行部数6
DOI
出版物ステータス出版済み - 12 1 2013

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Transpiration
transpiration
Ions
ions
ion
salinization
Zea mays
maize
Crops
corn
Ion Transport
Conservation of Natural Resources
Statistical Models
crop
mass flow
Agriculture
desertification
alternative agriculture
transport proteins
pressing

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry
  • Molecular Biology
  • Animal Science and Zoology
  • Genetics
  • Plant Science
  • Cell Biology

これを引用

Transpiration integrated model for root ion absorption under salinized condition. / Nomiyama, Ryosuke; Yasutake, Daisuke; Sago, Yuki; Masaharu, Kitano.

:: Biologia (Poland), 巻 68, 番号 6, 01.12.2013, p. 1113-1117.

研究成果: ジャーナルへの寄稿記事

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