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Journal of Radioanalytical and Nuclear Chemistry

, Volume 249, Issue 2, pp 503–507 | Cite as

18F used as tracer to study water uptake and transport imaging of a cowpea plant

  • T. M. NakanishiEmail author
  • K. Tanoi
  • H. Yokota
  • Don-Jin Kang
  • R. Ishii
  • N. S. Ishioka
  • S. Watanabe
  • A. Osa
  • T. Sekine
  • S. Matsuhashi
  • T. Ito
  • T. Kume
  • H. Uchida
  • A. Tsuji
Article

Abstract

We present the water uptake ability of cowpea (Vigna unguliculata Walp)which has been regarded as one of the most drought resistant species amongthe pulse crops. It has been suggested that in the lower part of the stem,parenchymatous tissue for storing water has been developed for the functionof drought resistance. We confirmed that in this tissue, water amount washigh compared to the other stems by neutron radiography. Then the water uptakemanner was measured by positron emitting tracer imaging system (PETIS) using 18F labeled water produced by a cyclotron. Comparing the water uptakemanner of cowpea plant with that of common bean, cowpea plant was found tomaintain high water uptake activity after drying treatment, suggesting thehigh drought resistant character.

Keywords

High Water Water Uptake Common Bean Water Amount Drought Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers/Akadémiai Kiadó 2001

Authors and Affiliations

  • T. M. Nakanishi
    • 1
    Email author
  • K. Tanoi
    • 1
  • H. Yokota
    • 1
  • Don-Jin Kang
    • 1
  • R. Ishii
    • 1
  • N. S. Ishioka
    • 2
  • S. Watanabe
    • 3
  • A. Osa
    • 3
  • T. Sekine
    • 3
  • S. Matsuhashi
    • 3
  • T. Ito
    • 3
  • T. Kume
    • 3
  • H. Uchida
    • 4
  • A. Tsuji
    • 4
  1. 1.Graduate School of Agricultural and Life SciencesThe University of TokyoYayoi, Bunkyo-ku, TokyoJapan
  2. 2.Department of Radioisotopes, Center for Neutron ScienceJapan Atomic Energy Research InstituteTokai-muraJapan
  3. 3.Department of Radiation Research Environmental ResourcesJapan Atomic Energy Research InstituteTakasaki, GunmaJapan
  4. 4.Central Research LaboratoryHamamatsu Photonics Co. HamakitaShizuokaJapan

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