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Identification of water storage tissue in the stem of cowpea plant (Vigna unguliculata Walp) by neutron radiography

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Abstract

Cowpea (Vigna unguliculata Walp) is considered one of the most drought resistant species among the pulse crops. It was suggested that in the lower part of the stem, parenchymatous tissue for storing water has been developed for the function of drought resistance. However, such tissue has not been identified yet. In order to identify the water storing tissue in the stem of cowpea plant, the authors performed neutron radiography, which provides a non-destructive image of water distribution pattern in a plant. Common bean plant and soybean plant were used as references. Comparing the neutron radiograph for the stems of the plants, i.e., cowpea, common bean and soybean plants, the parenchymatous tissue with water storing function was distinguished in the intermode between primary leaf and the first trifoliate leaf specifically in cowpea plant.

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Authors and Affiliations

  1. Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi, Bunkyo-ku, 113-8657, Tokyo, Japan

    T. M. Nakanishi, K. Don-Jin & R. Ishii

  2. Zen-Noh Agricultural Research and Development Center, Hiratsuka, 254, Japan

    T. Kitamura

  3. Department of Research Reactor, Japan Atomic Energy Research Institute, 319-1195, Tokai-mura, Ibaraki-ken, Japan

    M. Matsubayashi

Authors
  1. T. M. Nakanishi
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  2. K. Don-Jin
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  3. T. Kitamura
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  4. R. Ishii
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  5. M. Matsubayashi
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Nakanishi, T.M., Don-Jin, K., Kitamura, T. et al. Identification of water storage tissue in the stem of cowpea plant (Vigna unguliculata Walp) by neutron radiography. J Radioanal Nucl Chem 242, 353–359 (1999). https://doi.org/10.1007/BF02345564

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  • DOI: https://doi.org/10.1007/BF02345564

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